Gleanings of the Week Ending March 22, 2025

The items below were ‘the cream’ of the articles and websites I found this past week. Click on the light green text to look at the article.

In This Storied Egyptian City, Rising Seas are Causing Buildings to Crumble – Alexandria, Egypt. Since 2001, 290 building have collapsed as the rising water table weakens soil and erodes foundations. There are other historic coastal cities with the same problem.

Astronomers Discover 128 New Moons Orbiting Saturn, Cementing the Planet’s Title of ‘Moon King’ – The total number of moons of Saturn is now 274….almost twice as many as all the rest of the moons in our solar system combined.

Microplastics could be fueling antibiotic resistance - Microplastics -- tiny shards of plastic debris -- are all over the planet. They have made their way up food chains, accumulated in oceans, clustered in clouds and on mountains, and been found inside our bodies at alarming rates. Scientists have been racing to uncover the unforeseen impacts of so much plastic in and around us. One recent discovery: bacteria exposed to microplastics became resistant to multiple types of antibiotics commonly used to treat infections. They say this is especially concerning for people in high-density, impoverished areas like refugee settlements, where discarded plastic piles up and bacterial infections spread easily.

How the Development of the Camera Changed Our World - From glass plates to paper prints to digital photograph imaging, the photo revolution's intention remains the same—to immortalize our world.

Alphonse Mucha Helped Define Art Nouveau. A New Show Explores His Lasting Influence Mucha was undeniably revered in his day, when his posters and advertisements were widely disseminated. His posters lined the streets, and his illustrations graced the covers of major magazines. And to feed the public demand for his work, Mucha even produced smaller posters printed in publications, allowing people to bring his ornately detailed lithographs home without having to rely on the luck of finding one in the wild. The special exhibit will be at the Nelson-Atkins Museum of Art, 4525 Oak Street, Kansas City, Missouri, April 11–August 30, 2026….maybe I will plan a road trip for next spring!

'You look up and see light coming through': The divers venturing under the ice in the name of science - In a remote corner of Lapland, northern Finland…a lake with 28 in. layer of ice with a hole cut in it. Divers are tethered to the surface using a safety rope, with a handler on the surface communicating with the diver via rope signals. The training here on the frozen lake is practice for work that will be done out on the sea ice of the Arctic and Antarctic, where there are added dangers – large seals sometimes gather at the dive holes, preventing divers from leaving the water. In 2017, Alf Norkko, a professor of marine research at the University of Helsinki, and his team discovered big changes on the seafloor under Antarctic sea ice since their previous diving expedition in the same area in 2009.  "There was a remarkable increase in the abundance of life," he says. Norkko says that he and his fellow scientists are so dedicated to this work because they are aware of the urgency of climate change. At present, there is a race afoot to understand it, and to respond to it.

Grave of Roman Twins Excavated in Croatia – Twins that died between birth and 2 months…placed face to face. Suffered malnutrition before birth. Infant mortality was as high as 30% in Roman societies.

Particulate matter levels in air exceed WHO limits in majority of world's big cities - Fewer than one in five global cities met World Health Organization air pollution standards (for PM2.5) in 2024 with Central and South Asia accounting for the nine most polluted metropolitan areas on Earth. Los Angeles and Ontario, California are the most polluted in the US.  Mayaguez, Puerto Rico had the cleanest air of any metro area around the world. Man-made activities such as fossil fuel burning for transportation, generating electricity and domestic heating, industrial processes, fireworks and smoking were the largest sources of pollutant PM2.5, but that natural sources including wildfires, dust, pollen and dirt also contributed to particulate loads in the air.

China’s First Domestic Cats Took the Silk Road 1,400 Years Ago, New Study Finds - The Tang Dynasty (618–907 C.E.), from which the oldest cat in the study hails, saw peak activity along the legendary trade network, which boosted the exchange of goods and ideas between China, India, and Persia. It’s not improbable that merchants from the West could have carried cats on their journey to East Asia.

Can Toxic Mining Waste Help Remove CO2 from the Atmosphere? - On the coast of Newfoundland, waste from a shuttered asbestos mine has been a troubling source of contamination for decades. Now, a company plans to process the waste to draw CO2 from the air — one of several projects worldwide that aim to turn this liability into an asset. A 2022 report by the Lawrence Livermore National Laboratory estimated that existing asbestos tailings in Canada and the United States could remove up to 750 million tons of CO2 in total — while also removing an environmental health hazard.

The Craftsman (magazine)

I browsed 24 months of The Craftsman magazine from the early 1900s back in December. They are available from The University of Wisconsin-Madison digital library. They are a way to understand the way people were living at the time – a time when my grandparents were born. Some of the styles look “heavy” by today’s standards…but they were built to last from daily use. Some would still fit into a home today. Click on any of the sample images below to see a larger version…and use the links to browse the whole magazine.

 The craftsman Vol. I, No. 1 October 1901

The craftsman Vol. I, No. 2 November 1901

The craftsman Vol. I, No. 3 December 1901

The craftsman Vol. I, No. 4 January 1902

The craftsman Vol. I, No. 5 February 1902

The craftsman Vol. I, No. 6 March 1902

Gleanings of the Week Ending March 15, 2025

The items below were ‘the cream’ of the articles and websites I found this past week. Click on the light green text to look at the article.

The Largest Harbor in Ancient Greece Is Centuries Older Than We Thought - A discovery of lead pollution and 5 lumps of brown coals were carbon dated to the days of the Bronze Age.

When This Brilliant Author Died, She Left Behind a Legacy of Grief, Haunting Poetry and Surprising Resilience – I remember reading Silvia Plath books as a teenager.

Maple seeds’ unique spinning motion allows them to travel far even in the rain, a new study shows – Autorotation keeps the seeds in the air for longer, so they travel farther. The researchers studied how raindrops that hit the seeds reduce the time they are in the air. The next part of the study will look at rolling samaras (from tulip poplar and ash trees).

Rare Footage Shows Baby Polar Bears Emerging from Their Den in the Arctic - At birth, polar bears are blind, nearly hairless and weigh just over a pound—about the same as a loaf of bread. But they spend their first few months snuggled inside a snowy den, fattening up on their mother’s milk. By the time they emerge in the spring, the cubs are covered in fluffy white fur and weigh 22 to 26 pounds. Scientists have managed to capture rare footage of a polar bear mother and her cubs leaving their den in the Arctic for the first time.

Summer Heat Wave in South America - In February 2025, an area of high pressure parked over the southern Atlantic Ocean, causing temperatures to soar in parts of South America. As of February 27, Argentina noted that six provinces were under a red-level (very dangerous) alert for extreme heat.

The world's strongest ocean current should be getting faster – instead, it is at risk of failing – The Antarctic Circumpolar Current - five times stronger than the Gulf Stream and more than 100 times stronger than the Amazon River. Fresh, cool water from melting Antarctic ice is diluting the salty water of the ocean, potentially disrupting the vital ocean current.

More Than 1,500 Sandhill Cranes Killed by Bird Flu in Indiana - In recent weeks, biologists with the Indiana Department of Natural Resources have counted hundreds of dead sandhill cranes statewide. At least 500 of the birds were found dead in Jackson County, in the south-central part of the state, in early January. So far, no sick or dead cranes have been reported in Nebraska.

Inside the Clear Waters of England’s Ancient Chalk Streams - A globally rare type of waterway found almost exclusively in England—these rivers’ specific features both create rare biodiverse habitats and make them uniquely vulnerable. Burbling up from aquifers formed in chalk layers that date back to the Cretaceous Period, these rivers exist only where chalk sits close to the Earth’s surface. That’s why of the 200-odd identified chalk streams in the world, nearly all of them are found in England, where 66 million years ago a shallow seabed collected the skeletons of aquatic creatures—the makings of chalk. Ideal habitat for trout and Atlantic salmon.

How our lungs back up the bone marrow to make our blood - Researchers at UCSF found hematopoietic stem cells (HSCs) in human lung tissue that make red blood cells, as well as megakaryocytes, which produce the platelets that form blood clots.

Gold Jewelry Found at Karnak Temple - Karnak was the largest and one of the most important religious sites in ancient Egypt. An Egyptian-French team was investigating the northwest sector of the precinct when they uncovered a ceramic vessel that contained a collection of gold jewelry and statuettes dating to the 26th Dynasty (664–526 b.c.). One of the statuettes depicts the Theban triad of gods: Amun, his wife Mut, and their son Khonsu. Archaeologists also discovered several mudbrick buildings dating to the same era that were likely used as workshops or storage facilities connected to the Karnak temples.

Francois Le Vaillant’s Birds

The week’s eBook pick is the six volumes of Francois Le Valllant’s Histoire naturelle des oiseaux d'Afrique published between 1796 and 1808 and available from Internet Archive. The illustrations of birds were created from his collection of skins preserved with arsenic soap that were stuffed and mounted in near lifelike positions. He was one of the first to use color plates in his books about birds and was a keen observer of bird behavior. Enjoy the sample images….and browsing the whole volumes!

Histoire naturelle des oiseaux d'Afrique T. 1

Histoire naturelle des oiseaux d'Afrique T. 2

Histoire naturelle des oiseaux d'Afrique T. 3

Histoire naturelle des oiseaux d'Afrique T. 4

Histoire naturelle des oiseaux d'Afrique T. 5

Histoire naturelle des oiseaux d'Afrique T. 6

Gleanings of the Week Ending March 8, 2025

The items below were ‘the cream’ of the articles and websites I found this past week. Click on the light green text to look at the article.

Whorls of White off Greenland – A satellite image (from the Terra satellite), captured on February 24, 2025, shows the southern part of Greenland, from its snow-topped ice sheet and glaciers to the sea ice swirling along its coasts. When this image was acquired, the sea ice extent along Greenland’s East Coast was about average. However, Arctic-wide, sea ice in late February was exceptionally low for the time of year due to a warm winter.

The baby boom in seven charts - The US baby boom is typically defined as the time period between 1946 and 1964. But – it appears that the increase in birth rate began earlier…in the late 1930s. And it happened in many countries at the same time. This common trend across many countries suggests that the baby boom was driven by shared societal shifts rather than isolated national circumstances. The baby boom was also surprising because it happened alongside rising levels of women’s education and workforce participation — changes that now often coincide with falling birth rates.

Cheap Chinese Panels Sparking a Solar Boom in the Global South - A surge in solar installations in parts of the developing world. The glut of cheap solar means poorer countries can speed their shift away from fossil fuels while shoring up their supply of energy.

Following Frogs into the Flames – The tree frogs are using the trees all the way up to 40 feet, up to the crown of the tree, as a safe place during fires, and also for several weeks after the fire, when the ground is still somewhat inhospitable.

Brewing tea removes lead from water – Brewing black tea in cellulose tea bags works best for removing lead…longer steeping removes more.

Where California’s Land Is Sinking and Rising – Analysis of vertical land motion between 2015 and 2023. Areas of sinking land in coastal California cities and in parts of the Central Valley are caused by factors like soil compaction, erosion, and groundwater withdrawal.

Oldest Section of China’s Great Wall Uncovered - The recent excavations occurred around what is known as the Qi Wall, which was already considered to be the oldest in existence. New dating, however, suggests that the wall’s construction originates to the late Western Zhou Dynasty (ca. 1050–771 BC) and the Spring and Autumn Period (770–ca. 475 BC), making it 300 years older than previously thought.

What happens when a diet targets ultra-processed foods? - The findings suggest that people can reduce their ultra-processed food intake, if given the proper tools, and that they will be enthusiastic about interventions designed for this purpose. The results also suggest that reducing UPF intake will lead to meaningful health improvements -- such as weight loss and better mood -- in as short as eight weeks.

Glass fertilizer beads could be a sustained nutrient delivery system - Excessive and inefficient use of agricultural fertilizers can present an environmental threat, contaminating waterways and generating greenhouse gases such as nitrous oxide. Now, researchers have addressed those challenges with glass fertilizer beads. The beads control nutrient release….releasing fertilizer over a longer time period.

Historic Frank Lloyd Wright Home Gifted to Chicago University – The last remaining example of Wright’s prairie-style designs. When the Bach residence was completed in 1915, it boasted walnut furnishings throughout and a clear view of Lake Michigan from its rear porch.

eBotanical Prints – February 2025

Twenty more books were added to my botanical print eBook collection in February - available for browsing on Internet Archive. They are mostly not in English; there are some in Italian, French, Latin, Spanish, Dutch, and German. The 20 books were published over almost 400 years (1618-2010).

My list of eBotanical Prints books now totals 3,063 eBooks I’ve browsed over the years. The whole list can be accessed here.

Click on any sample image from February’s 20 books below to get an enlarged version…and the title hyperlink in the list below the image mosaic to view the entire volume where there are a lot more botanical illustrations to browse.

Enjoy the January 2025 eBotanical Prints!

Description, vertus et usages de sept cents dix-neuf plantes : tant étrangeres que de nos climats T2  *  Geoffroy, Etienne-Francois; Garsault, Francois Alexander * sample image * 1767

Storia delle piante forastiere le più importanti nell'uso medico, od economico Tome 1 * Castiglioni, Luigi; Bordiga, Beneditto Maria Marco * sample image * 1791

Storia delle piante forastiere le più importanti nell'uso medico, od economico Tome 2 * Castiglioni, Luigi; Bordiga, Beneditto Maria Marco * sample image * 1792

Storia delle piante forastiere le più importanti nell'uso medico, od economico Tome 3 * Castiglioni, Luigi; Bordiga, Beneditto Maria Marco * sample image * 1793

Storia delle piante forastiere le più importanti nell'uso medico, od economico Tome 4 * Castiglioni, Luigi; Bordiga, Beneditto Maria Marco * sample image * 1794

Description, vertus et usages de sept cents dix-neuf plantes : tant étrangeres que de nos climats T1 * Geoffroy, Etienne-Francois; Garsault, Francois Alexander * sample image * 1767

Description, vertus et usages de sept cents dix-neuf plantes : tant étrangeres que de nos climats T3 * Geoffroy, Etienne-Francois; Garsault, Francois Alexander * sample image * 1767

Description, vertus et usages de sept cents dix-neuf plantes : tant étrangeres que de nos climats T4 * Geoffroy, Etienne-Francois; Garsault, Francois Alexander * sample image * 1767

Hortus floridus in quo rariorum & minus vulgarium florum icones ad vivam veramq[ue] formam accuratissime delineatae et secundum quatuor anni tempora divisae exhibentur incredibili labore ac diligentia  * Passe, Van de Passe * sample image * 1617

Common medicinal plants of Darjeeling and the Sikkim Himalayas * Biswas, Kalipada * sample image * 1956

Flórula de las reservas biológicas de Iquitos, Perú * Martinez, Rodolfo Vasquez (editor) * sample image * 1997

Flora del Río Cenepa, Amazonas, Perú V1 * Martinez, Rodolfo Vasquez, Gonzales, Rocio Rojas, Werff, Henk vander (editors) * sample image * 2010

Cassini on Compositae II * Cassubum Alexandre Henri Gabriel de Janaske; King, Robert M.; Janaske, Paul C.; Lellinger, David B. * sample image * 1995

Flora de Nicaragua * Stevens, Warren Douglas * sample image * 2009

A description of the genus Pinus V2 * Lambert, Aylmer Bourke * sample image * 1832

A description of the genus Pinus V1 * Lambert, Aylmer Bourke * sample image * 1832

Naauwkeurige beschryving der aardgewassen V1 * Munting, Abraham * sample image * 1696

Naauwkeurige beschryving der aardgewassen V2 * Munting, Abraham * sample image * 1696

Getreue Darstellung und Beschreibung der in der Arzneykunde gebräuchlichen Gewächse (1813-1814) * Hayne, Friedrich Gottlob * sample image * 1813

Getreue Darstellung und Beschreibung der in der Arzneykunde gebräuchlichen Gewächse (1837-1838) * Hayne, Friedrich Gottlob * sample image * 1813

Gleanings of the Week Ending March 1, 2025

The items below were ‘the cream’ of the articles and websites I found this past week. Click on the light green text to look at the article.

Scientists Investigate Smell of Egyptian Mummies – A systematic study of the smells of 9 Ancient Egyptian mummified bodies. Odors are from pine, cedar, juniper, frankincense and myrrh.

'Healthy' vitamin B12 levels not enough to ward off neuro decline – The conclusion: “we need to invest in more research about the underlying biology of B12 insufficiency, since it may be a preventable cause of cognitive decline.”

Rethinking Fire-Resistant Landscaping: Which Trees Should We Plant? – After the recent wildfires across Southern California - Experts recommend replacing highly flammable trees with fire-resistant alternatives such as oak, sycamore, toyon, lemonade berry, and lilac. While the idea of removing iconic palm trees may be met with resistance, fire safety advocates argue that proactive changes in landscaping are necessary to adapt to the increasing wildfire risks in California.

Floods Swamp Tennessee – Satellite image from February 17 of the flooding after the February 15-16 storm. The area of western Kentucky to the north had more severe flooding….but clouds prevented a similar image on the 17th.

Learn COVID pandemic lessons — before it’s too late - “The science will deliver if we have a new emerging infectious disease,” says Joanne Liu, a pediatric emergency-medicine specialist at McGill University in Montreal, Canada, and a former international president of the medical-aid organization Médecins Sans Frontières (also known as Doctors Without Borders). “I think it will be the people who aren’t going to deliver…..None of us thought about the case scenario in which we would have leaders and a large part of the population that do not believe in science.” Yet that scenario is here. It means that researchers in public health and infectious diseases must work closely with social scientists who have been studying how another disease — misinformation — spreads and how best to counter it.

In many countries, people breathe the cleanest air in centuries. What can the rest of the world learn from this? – Lots of graphs….focused on sulfur dioxide and nitrogen oxide emissions….and the relationship to coal and catalytic converters.

The Science of Snakehead Slime - One of this fish’s most reported habits is its ability to move about on land. The answer, according to new research, may lie at least in part with another of the snakehead’s infamous features: its slime.

Wide-Eyed Fly Wins the 2024 Royal Entomological Society Photography Competition – Macro photography of insects…great work my amateur photographers. My favorite was the ladybird larva feeding on a colony of aphids.

How much protein do you really need to get strong? – A concerning take away: In 2018, a nonprofit group called the Clean Label Project, based in Broomfield, Colorado, released a report about toxins in popular brands of protein powders in the US. Researchers screened 134 products for 130 types of toxins and found that many protein powders contained heavy metals (lead, arsenic, cadmium and mercury), bisphenol-A (or BPA, which is used to manufacture plastic), pesticides, or other contaminants with links to cancer and other health conditions. Interestingly, one certified "organic" product had twice the contaminants of non-certified ones. Plant-based protein powders were the most contaminated, while egg and whey-based powders were found to be the cleanest.

Dust from Car Brakes More Harmful than Exhaust – Brake dust evidently causes greater injury to lung cells than diesel exhaust. Brake pads on the market now include copper which can aggravate asthma when inhaled. Note: the shift to electric vehicles could curb pollution from brake pads. Most electric cars use regenerative braking that limits the need for conventional brake pads.

Victorian Decorative and Applied Arts

The Journal of Design and Manufactures was published between 1849 and 1852. Henry Cole and Richard Redgrave were the editors; both were active in British design education reform of the period. The University of Wisconsin-Madison Libraries has 6 volumes (36 monthly issues) in their Digital Library for the Decorative Arts and Material Culture. The volumes include many illustrations, plates, plans, and mounted samples. Enjoy browsing them!

The journal of design and manufactures Vol. I 1849

The journal of design and manufactures Vol. II 1850

The journal of design and manufactures Vol. III 1850

The journal of design and manufactures Vol. IV 1851

The journal of design and manufactures Vol. V 1851

The journal of design and manufactures Vol. VI 1852

Ten Little Celebrations – February 2025

February was busier than usual this year – a combination of a class, a new role for me in the Missouri Master Naturalist chapter, and some significant volunteer hours. It all made for plenty of little celebrations.

Owl Pellets. Having 28 children busily dissecting owl pellets – finding and identifying tiny bones. I celebrated that we picked something they all seemed to enjoy doing all the way to the end of our time (and a little beyond).

A new protein drink. Another whey-based protein drink that already has lactase added…worth celebrating for the convenience (and also because it is not as thick or expensive as the one I had been buying).

Niece going to have another baby. My sisters and I celebrated that there will be another baby in the family next fall. My sister that is the grandmother shared the news with us almost as soon as she found out.

Snowy Feeder Watch day. I celebrated the extra birds that came to our feeders when snow was on the ground.

Seeing lots of Northern Harriers. I celebrated seeing Northern Harriers on our field trip to Lockwood MO. We’d seen them before in New Mexico but not as many…and it’s thrilling to see them closer to where we live.

Lunch with my daughter. My daughter and I have been meeting for lunch a Student Union dining room after my geology class. It feels celebratory every time we meet (and we generally have dessert too).

Finding witch hazel. I celebrated when I found a witch hazel in bloom at the Springfield Botanical Garden…even though I was hoping to see more of them.

Grandniece and grandnephew. I celebrated seeing my sister’s grandchildren when I went to Dallas to visit my father. One is just learning to crawl, and the other is reasonably adept at recognizing/saying colors.

Snow day. A day of staying indoors due to weather – always a time to celebrate. The day seems like a serendipity block of time that I had not anticipated.

Soup. Soup is my favorite meal on cold days. I celebrated finding a quick and tasty one made from ingredients in my freezer: turkey meatballs, corn, broccoli, and edamame….a little seasoning and sometimes left over spaghetti sauce…delicious.  

Zooming – February 2025

There seems to be more going on this winter than usual. Most of the pictures I selected to represent February were taken within a 100-mile radius of home in Nixa MO…except for a few at the Josey Ranch ponds in Carrollton TX. There were some warm days…and some snow. Some of the bulbs are coming up --- growing slowing in the still frigid temperatures that keep coming. Enjoy the February slideshow!

Learning about Missouri Geology – February 2025

The geology class/lecture I am taking at Missouri State University is providing good background in general geology…but I am most interested in the geology of Missouri…trying to be more aware of the geologic features around me.

My copy of Roadside Geology to Missouri has been a good reference. On the drive from Nixa to Branson, MO, my husband’s navigation system took a scenic route (to avoid a construction area); the two-lane road was predominately downhill and followed Woods Fork over to US 65.

The road cuts are spectacular along US 65 with one of the tallest marking the margin of the Springfield Plateau…and then the Salem Plateau as we continued south. There are layers of limestone, dolomite, and shale. There were frozen ‘waterfalls’ from some of the cuts. The day was sunny, so it was easy to get pictures of the cuts as we moved past.

We stopped at the Branson Scenic Overlook downstream from the dam that created Table Rock Lake. The overlook area was the first proposed location for Table Rock Dam. There were evidently too many cracks and faults in the rocks to build it at this location. The dam was built in the 1950s and spans the White River creating the deepest lake in Missouri.

The view for the overlook shows Branson and the lake in the distance but I was more interested in the river immediately below…the bare trees and remnants of snow…ripples in the cold water.

Our field trip to the prairies near Lockwood MO (from Springfield) took us from the Springfield Plateau to the Osage Plains. It was a very cloudy day, so I took few pictures - I did notice the flattening out as we drove around farmland with parcels being maintained as prairie. There were low rolling hills. There was a significant windfarm….indicating that the wind there is reliable enough to make it worthwhile.

The final geology adventure in February was the monthly Missouri Master Naturalist meeting. The topic for the month was Missouri Geology!

Previous Missouri Geology posts

Gleanings of the Week Ending February 22, 2025

The items below were ‘the cream’ of the articles and websites I found this past week. Click on the light green text to look at the article.

A Five-Pound Hunk of the World’s Oldest Known Synthesized Pigment Was Found in Nero’s Palace – Egyptian Blue. The pigment is a synthetic pigment produced by firing a mixture of silica, limestone and minerals containing copper and sodium carbonate at high temperatures. The Roman architect Vitruvius recorded the recipe in his treatise De Architectura in the first century B.C.E., reflecting how the color spread through the Mediterranean world. Archaeologists discover traces of Egyptian blue that are all but imperceptible to the human eye. For instance, with the help of microscopes and luminescent imaging, researchers at the British Museum discovered that Egyptian blue once adorned the Parthenon marbles.

See the First Stunning Images Taken by the Blue Ghost Lunar Lander on Its ‘Scenic Route’ to the Moon – It still has a few months before reaching the moon….lots of Blue Marble views.

Changing cholesterol over time tied to risk of dementia – Interesting result. I wondered if cholesterol fluctuation is more concerning that merely being high….that there in an underlying reason for the fluctuations that indicates a problem that is not being directly addressed by the medications that generally are trying to lower cholesterol.

Astronomers have spied an asteroid that may be heading for Earth. Here’s what we know so far – On December 22, 2032,  the asteroid 2024 Y04 might collide with Earth. It was first detected on December 27, 2024 and will continue to be observed until it will be lost to our telescopes until we will see it again in 2028 and refine what we know….be able know for sure whether there will be a collision and where on earth the collision will be. In just the past few years, we have discovered 11 asteroids before they hit our planet. In each case, we have predicted where they would hit, and watched the results. We have also, in recent years, demonstrated a growing capacity to deflect potentially threatening asteroids.

An Arctic 'beyond recognition' by 2100 - Under 2.7 degrees Celsius of warming, the Arctic region is likely to experience the following effects:

  • Virtually every day of the year will have air temperatures exceeding pre-industrial temperature extremes.

  • The Arctic Ocean will be free of sea ice for several months each summer.

  • The area of the Greenland Ice Sheet that experiences more than a month of surface temperatures above 0 degrees Celsius will quadruple compared with pre-industrial conditions, causing global sea levels to rise faster.

  • Surface-level permafrost will decrease by 50 percent of pre-industrial levels.

Study Highlights Challenges to The Electrification Of Homes In The US - Solar powered homes demonstrated impressive resilience during summer heat waves. However, they proved remarkably vulnerable during winter storms. In fact, fully electrified homes were nearly three times more vulnerable to winter outages, compared to those drawing power from mixed energy sources. The integration of distributed energy resources such as solar and battery storage has emerged as a critical factor in household resilience.

Sky skimmers: The race to fly satellites at the lowest orbits yet – A handful of pioneering companies have begun work on designs for satellites that may be able to orbit the planet at unusually low altitudes while simultaneously harvesting air and using it to make propellant – literally on the fly. This new generation of orbiters could enable ultra-high-definition surveillance of activities on the ground, or superfast satellite-based communications. The race is on. (I wondered if the US activities mentioned in the post are going to survive budget cuts.)

Low-level traffic air pollution linked to liver damage and fatty liver disease - When we inhale air pollution, the very tiny particles known as PM2.5 enter the bloodstream through the lungs. The liver, which filters toxins from the blood, then accumulates these substances, which can include heavy metals such as arsenic, lead, nickel and zinc. The study authors suggest avoiding peak hour traffic, taking less congested routes when walking or cycling or consider wearing a mask, and keeping car windows closed with air recirculation mode on while driving in heavy traffic.

Hitting Its Stride or Hitting a Wall? South Texas at a Watershed Moment - Between extreme heat, flooding, drought, and the vagaries of politics and international trade, there is a growing fear that the Valley’s boom times could come to a grinding halt — or worse, that the region will experience the same type of climate-related exodus that has pushed many of today’s current immigrants to its doorstep. An even bigger question is whether the region has become a harbinger of mounting international tensions over shrinking resources that are expected to play out with more frequency in coming years.

Searching the entire sky for the secrets to our universe - As soon as the end of February, NASA and the Jet Propulsion Laboratory will launch a new telescope into orbit around the Earth. SPHEREx will join the ranks of other space telescopes, filling in a crucial gap by detecting infrared light with wavelengths too long to see with the naked eye. It's an important addition because no single instrument can fully perceive the universe and its contents. Infrared can also be used to detect the unique fingerprints of particular molecules in the universe, including the basic components of life — water and organic materials frozen in the ices of interstellar dust clouds where stars are born.

Images of the Middle East in the 1830s

The New York Public Library Digital Collections has the lithographs from Léon de Laborde’s Journey through Arabia Petraea, to Mount Sinai, and the excavated city of Petra available online. There are 60+ plates to browse! I liked that almost all of them include people…providing scale to the monuments and landscapes depicted. How many of those places still exist…how many are rubble now because of the many wars that have happened in the years since 1830?

I’ve selected 4 sample images…click on the small image to see a larger version….then click on the link below to go the whole collection and view them as a book online.

Voyage de l'Arabie Pétrée par Léon de Laborde et Linant

Josey Ranch – February 2025

The weather was cold and mostly cloudy…but I headed to Josey Ranch for a nature fix – and to gain more experience with my new camera (Nikon Coolpix P950). The last time I visited was back in September, but I expected to see a lot of birds that are in Texas during for the winter. The pond between the library and the senior living complex was almost empty. I photographed a feather and a dandelion almost ready to bloom before I headed over to the other pond.

There were a lot of birds: American Wigeon, Northern Shoveler, Canada Geese, Greater Scaup, American Coot, and Ring-billed Gull (many immature).

There were pigeons and crows on the tall lights over the ball fields.

Surprisingly there were cormorants on the poles as well!

I headed back toward the larger pond and my car…noticing some mistletoe in a tree along the way.

There were a pair of Great Egrets that interacted and then flew away from each other. The breeding plumage is beginning to be obvious.

A group of mallards and domestic duck hybrids were on a small pond. One hybrid was mostly black but had a green head!

Back at the larger pond I saw sleeping Ruddy Ducks.

I got a better view of a cormorant on the pond. It seems to have some characteristics of a Double-Crested (bare skin in front of the eye) and the white line of the Neotropic. I read that there are instances of hybrids in the areas where the two species interact….and north Texas might be one of those places!

The cold and wind had me regretting wearing leggings rather than jeans….it was time to head back to the car.

Geology Course Experiences – February 2025

I have completed 3 more chapters in my online course – reading the eTextbook, working through the study questions and taking the quizzes (all part of the online book). There was a short YouTube video. The professor sent an email about another video - Hidden Fury - the New Madrid Quake Zone – which was more  substantial (although not very polished); I wondered why she did not make it part of the online course as part of the section on earthquakes. So far, the online course content seems to be almost entirely the eTextbook – very little content/value added by the professor or the university. I will finish the course and get as much as I can from the online book that I can access until next summer but probably will not take another online course from this university.

The lab course is almost better than I expected. It started out in what seemed like the traditional entry level geology lab: trays of minerals and rocks; I took a few pictures. Diorite made of quartz, plagioclase, and hornblende.

Granite made quartz, feldspar, and plagioclase. 

But the next lab (volcanoes) involved use of VR headsets or scanning a QR code to look at something on our smartphone. The lab for the next week (volcanoes again) included some more video initiated by scanning a QR code followed by a simulation of a volcano emergency with role playing. It was interesting to have the Santorini earthquakes and associated response in the news at the same time we were doing the lab. Overall, the lab is exceeding my expectations; I appreciate that the faculty is incorporating new content and delivery mechanisms into the course.

I’ve met my daughter for lunch after two of the labs…before I head back home. I showed her the imprint of the shell in the limestone near the student union before the first one; the light was better for photography.

Owl Pellets!

The topic of the session at the two libraries in a nearby county was owls. Since it was the third event for our 3-person team of Missouri Master Naturalists, we were beginning to get better at it…although it was still hectic. This time we had a mounted owl and wing,

handouts,

a display on the wall showing the wingspan of various owls (click on the right image to see the list of owls by wing span), and

the equipment (tweezers, picks, plates, gloves, identification sheets, containers for bones) to dissect owl pellets).

And then the first group of children arrived at the library. There were 28 students and 12 parents. We had a short lecture that included listening to the sounds of the 8 owls of Missouri (4 year-round and 4 more in winter). One student had a Great Horned Owl near where they live. Then the fun began as we handed out equipment and foil wrapped pellets. The students thoroughly enjoyed teasing apart the pellets and finding bones – mostly rodents.

We packed up everything and left the room as we found it…and went to the second library…to set up a second time. It was disappointing that only 3 students came for that session. But we made the best of it and dissected pellets ourselves sitting across from the students.

These are the bones from my pellet!

We have one more session in our series for the library. They’ve been a learning experience for me as a volunteer. I am realizing that the volunteering I did in Maryland was skewed toward the actual event (rather than prep) because others had done the preparation and the audience from multiple schools rotated through experiencing the same program. It was easy to get very polished at presenting the program and the number of students reached was quite large. I’d like to find volunteer opportunities like that here in Missouri, but I am not sure they exist.

Gleanings of the Week Ending February 15, 2025

The items below were ‘the cream’ of the articles and websites I found this past week. Click on the light green text to look at the article.

Archaeologists Unearth Ancient Footprints of People Fleeing Vesuvius Eruption – From 2,000 years before the eruption of the same mountain destroyed Pompeii.

Oldest Known Evidence of Lead Pollution Found in Ancient Greece - Scientists identified traces of lead contamination that date back more than 5,000 years by analyzing sediment cores from Greece’s mainland and the Aegean Sea. The lead emissions followed the development of smelting technologies, which produced metals like silver. A sharp increase occurred about 2,150 years ago, which coincides with the Roman conquest of the Greek peninsula in around 146 B.C.E. and drove demand for silver higher for currency and lead for construction/tableware.

Half a degree further rise in global warming will triple area of Earth too hot for humans - The amount of landmass on our planet that would be too hot for even healthy young humans (18-60-year-olds) to keep a safe core body temperature will approximately triple (to six percent) -- an area almost the size of the US -- if global warming reaches 2°C above the preindustrial average. Last year was the first calendar year with a global mean temperature of more than 1.5°C above the pre-industrial average, and at current rates of warming, 2°C could be reached by mid to late century.

How Tearing Down Small Dams Is Helping Restore Northeast Rivers - Restoring natural flows, improving habitat for aquatic life, and reopening thousands of river miles to migratory fish, from shad to American eels. I was aware of several dams being removed on the Patapsco River in Maryland before we moved to Missouri.

Yellowstone National Park: Where Geology Is on Display Nearly Everywhere – Maybe we should plan a trip Yellowstone; it’s been 20 years since we were there before. It would be a great capstone to the geology course I am taking this semester.

Restoring Appalachian Forests After a Legacy of Mining – It isn’t about returning land to some “pristine” past. It’s about creating a resilient future, a forest where native plants and wildlife can thrive. When mining companies left, following state and federal guidelines, they often replanted their sites with plants that would mainly reduce erosion. That sounds good in theory, but many of those plants were invasives like autumn olive and sericea lespedeza. Trees that thrived on such sites tended to be adaptable species. These former mine lands offered little habitat to wildlife and little value to carbon storage. The first step is to control the invasives, through mechanical clearing. And then bulldozers rip up the soil. Next came the planting, accomplished by crews hand planting trees on the site, a diverse mix of trees, grasses and wildflowers. Some native plants, their dormant seeds “freed” from compacted soil, return on their own. Wildlife begins using restored areas almost as soon as they’re established. It benefits popular game species like white-tailed deer, turkey and elk.

Vertical Farms Grow in Office Buildings - Vertical farming can make use of vacant office space and grow food where agricultural land might be scarce. One drawback: energy use. Vertical farms need a lot of electricity to run lighting and ventilation systems, smart sensors and automated harvesting technologies….so maybe clad the office buildings in solar panels and put batteries in the basement?

Not so snowy Alaska - A spell of unseasonably warm weather in winter 2024–2025 has meant less snow for parts of the normally frozen state of Alaska.  Images from the Moderate Resolution Image Spectroradiometer on NASA’s Terra and Aqua satellites.

Colossal squid: The eerie ambassador from the abyss – The biggest invertebrate on Earth. One of the creatures was captured alive (briefly) off New Zealand 100 years ago. The first clues of their existence in the deep ocean was from occasional remains found in the bellies of whales that hunt them. It has swiveling hooks on its arms and a beak made out of protein similar to human hair and fingernails. The eyes are the largest eyes found in any animal yet discovered.

The Breathtaking Hermitage Museum, Filled with Treasures Like the Kolyvan Vase and the Peacock Clock, First Opened to the Public on This Day in 1852 – There are 6 main buildings and it has about 50 cats that keep it free of mice! It is the second largest museum in the world (the Louvre is the largest).

Ippolito Rosellini’s Ancient Egypt

The New York Public Library Digital Collections includes the illustrations of Ippolito Rossillini’s I Monumenti dell'Egitto e della Nubia. It was published between 1832 and 1844 documenting the Franco-Tuscan expedition to Egypt (1828-1829) and after the death of Jean-Francois Champollion (leader of the expedition) in 1832.

There are over 400 plates to enjoy – some simple drawings and some with color. I picked 6 of the color images as samples.

I monumenti dell'Egitto e della Nubia disegnati dalla spedizione scientifico-letteraria toscana in Egitto

The images are best enjoyed using the ‘view as a book’ option for the document.

Gleanings of the Week Ending February 8, 2025

The items below were ‘the cream’ of the articles and websites I found this past week. Click on the light green text to look at the article.

Frank Lloyd Wright’s Only Skyscraper to Be Sold for $1.4 Million After Legal Saga – Hopefully the power gets turned back on right away and the conservation of the building starts.

Under Colonial-Era Barracks Floorboards in Australia – Peanut shells, peach pits, citrus peel, hazelnuts….hiding the remains of treats from the authorities.

Experts Are Unraveling the Mysteries of This Breathtaking 2,000-Year-Old Mosaic Depicting Alexander the Great in Battle – The mosaic comes from the ruins of Pompeii and was discovered in 1831. It is housed in the National Archaeological Museum of Naples. Conservation work started in 2020. The mosaics tesserae rocks could have come from Italy, Greece, the Iberian Peninsula and Tunisia.

Mt. Washington Cog Railway Goes Electric! - Engineering students from the University of New Hampshire are working alongside the Mt. Washington rail staff to develop an all-electric locomotive, with help from robotic welding systems. It will be the world’s first entirely battery-powered mountain-climbing electric vehicle.

As Oceans Warm, Predators Are Falling Out of Sync with Their Prey - Warning signs are beginning to be observed in marine ecosystems planetwide, from herring and zooplankton in the North Sea, to sardines and bottlenosed dolphins in the Southern Ocean, to — along with striped bass — baleen whales and menhaden in the northwest Atlantic.

Meet the Channel-billed Cuckoo, the World’s Largest Brood Parasite - They’re the size of a raptor, with broad wings, a long, trailing tail, and a honking great bill reminiscent of hornbills or toucanets. Their plumage is a light grey, with thick black and white banding on the tail feathers. And their eyes: large, beady, blood-red, surrounded by a strawberry-colored ring of bare skin.   

Noise as a Public Health Hazard - Cities in Europe and the United States are starting to map noise levels to understand where dangerous sound levels exist and how to better protect people living and working nearby.

Atop the Oregon Cascades, team finds a huge, buried aquifer - Scientists have mapped the amount of water stored beneath volcanic rocks at the crest of the central Oregon Cascades and found an aquifer many times larger than previously estimated -- at least 81 cubic kilometers. The finding has implications for the way scientists and policymakers think about water in the region -- an increasingly urgent issue across the Western United States as climate change reduces snowpack, intensifies drought and strains limited resources.

Carbon Dioxide Levels Rose by a Record Amount Last Year - Last year saw the biggest one-year jump on record for the past 60 years, with carbon dioxide levels rising by 3.58 parts per million. Increasingly severe heat and drought mean that trees and grasses are drawing down less carbon dioxide than in the past, while desiccated soils are also releasing more carbon back into the atmosphere. Conditions were particularly poor last year owing to a very warm El Niño which fueled hotter, drier weather across much of the tropics. The forecast is for a smaller jump in carbon dioxide levels in the coming year because the Pacific is now in the La Niña phase.

Floods linked to rise in US deaths from several major causes - Over the last 20 years, large floods were associated with up to 24.9 percent higher death rates from major mortality causes in the U.S. compared to normal conditions. A new study demonstrates the sweeping and hidden effects of floods --including floods unrelated to hurricanes, such as those due to heavy rain, snowmelt, or ice jams.

eBotanical Prints – January 2025

Twenty more books were added to my botanical print eBook collection in January - available for browsing on Internet Archive. The are mostly in English but there is some Japanese, German, French, and Spanish. They cover a range of botanical topics: medical plants, British flowering, herbs, plants of Brazil/Paraguay, and fungi.  Overall - the 20 books were published over 150 years (1794-1944).

My list of eBotanical Prints books now totals 3,043 eBooks I’ve browsed over the years. The whole list can be accessed here. Click on any sample image below to get an enlarged version…and the title hyperlink in the list below the image mosaic to view the entire volume where there are a lot more botanical illustrations to browse.

Enjoy the January 2025 eBotanical Prints!

Anleitung zu Anbau, Ernte und Verwendung der Arzneipflanzen * Fries, Martin * sample image * 1876

Nanpōken yūyō shokubutsu zusetsu * Watanabe Kiyohiko * sample image * 1944

Plantes usuelles des Brasiliens * Saint-Hilaire, Auguste de * sample image * 1824

British phaenogamous botany, or, Figures and descriptions of the genera of British flowering plants V1 * Baxter, William * sample image * 1834

British phaenogamous botany, or, Figures and descriptions of the genera of British flowering plants V2 * Baxter, William * sample image * 1835

British phaenogamous botany, or, Figures and descriptions of the genera of British flowering plants V3 * Baxter, William * sample image * 1837

British phaenogamous botany, or, Figures and descriptions of the genera of British flowering plants V4 * Baxter, William * sample image * 1839

British phaenogamous botany, or, Figures and descriptions of the genera of British flowering plants V5 * Baxter, William * sample image * 1840

British phaenogamous botany, or, Figures and descriptions of the genera of British flowering plants V6 * Baxter, William * sample image * 1843

Plantarum in Horto Medico Bonnensi nutritarum icones selectae * Nees von Esenbeck, Christian Gottfried * sample image * 1824

Das system der pilze und schwämme * Nees von Esenbeck, Christian Gottfried * sample image * 1817

Histoire de plantes les plus remarquables du Brésil et du Paraguay * Saint-Hilaire, Auguste de * sample image * 1824

The British flora medica, or, ahistory of the medicinal plants of Great Britain c1v1 * Barton, Benjamin Herbert; Castle, Thomas * sample image * 1845

A supplement to Medical botany, or, part the second : containing plates with descriptions of most of the principal medicinal plants not included in the Materia Medica of the collegiate pharmacopoeias of London and Edinburgh * Woodville, William * sample image * 1794

Illustrations of medical botany consisting of coloured figures of the plants affording the important articles of the materia medica V1 * Carson, Joseph; Colen, J.H, * sample image * 1847

Illustrations of medical botany consisting of coloured figures of the plants affording the important articles of the materia medica V2 * Carson, Joseph; Colen, J.H, * sample image * 1847

Album de la flora médico-farmacéutica é industrial, indígena y exótica T1 * Argenta, Vincente Martin de * sample image * 1862

Album de la flora médico-farmacéutica é industrial, indígena y exótica T2 * Argenta, Vincente Martin de * sample image * 1863

Album de la flora médico-farmacéutica é industrial, indígena y exótica T3 * Argenta, Vincente Martin de * sample image * 1863

The complete herbal * Culpeper, Nicholas * sample image * 1842