Orchid Show at Missouri Botanical Garden

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We made a road trip to St. Louis last weekend for the Orchid Show at the Missouri Botanical Garden. It is just over a 3-hour drive from our house…with some interesting road cuts along the way (more on that in another post). The temperature was in the 30s so our plan was to see the orchids then browsed the other conservatories rather than spending time wandering through the outdoor garden area. Our membership in the Springfield Botanical Garden gained us free entrance. The Orchid show was in the Emerson Conservatory, so we didn’t even need to go outside for it.

There were orchids everywhere. Some of my favorites: orange ones in sunlight (my mother’s favorite color was orange…a good memory prompt),

Shapes that had me wondering about what kind of pollinator the flower needed,

Small and delicate,

Ones that seem to have alien faces…and elaborate ‘fashion,’

Clusters of spirals.

I used my phone (iPhone 15 Pro Max) on a lanyard and an external clicker - was pleased with how well it did. There were other people using their phones too. One lady was making a video which was going to be dizzying to look at because she was moving the phone so quickly. I talked to a lady that was doing excellent macro compositions with her phone….no other amenities. Another person that I talked to had lived in DC for 20 years but had grown up in St. Louis and had lived closed to the Missouri Botanical Garden for a few years when she visited almost every day. She had moved away but had made the effort to return with her mother for the orchid show.

Almost all the slipper orchids were low…the better to see into the slipper. I found myself taking mostly macro images although I also took some small landscapes and some plants that were providing greenery around the orchids.  Enjoy the slide carousel of orchids!

Tomorrow’s post will be focused on the other conservatories at Missouri Botanical Garden.

Project FeederWatch – February 2025

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Our fourth month of weekly Project FeederWatch counting continued with our regulars: white-crowned sparrows, white throated sparrows, house finches, gold finches, cardinals, dark eyed juncos and mourning doves….and unfortunately starlings. The chickadees, Carolina wren, titmouse, and downy woodpecker are occasional visitors.

We had two surprises recently –

  • A fox sparrow showed up on a very cold, snowy day and ate for almost our whole observing time…and stayed in the area for the duration of the very cold weather.

  • A red shouldered hawk made an appearance in our yard. I think it lives in our neighborhood, but I hadn’t seen it come as close to our feeders before. All the birds around our feeders disappeared well before we saw the hawk swooping in from the direction of the pond. I’m not sure which one raised the alarm but they scattered very quickly.

When snow is on the ground, it seems like  the birds are more frenzied at the feeders and any seed that has spilled onto the ground below. They need calories to keep themselves warm! The Caroline wren never seems to be around when it is very cold and I wonder where it stays….hope it survived.

Previous FeederWatch posts

Zentangle® – February 2025

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28 days in February…28 ‘tiles.’

I cut light blue cardstock tiles and used them for half the tiles.

The two other groups started with a Flowering Dogwood coloring book page with a leaf and the flower. I am using it as the string for a ‘pattern art’ activity included in a Missouri Trees program (Flowering Dogwood is Missouri’s state tree) at a local library for children…so many experiments as part of my preparation. My scanner opted to make the page into two images, so I am including them here as a rectangle and square tile rather than the page with both. As you can see…starting with the same string can still lead to a lot of variation!

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The Zentangle® Method is an easy-to-learn, relaxing, and fun way to create beautiful images by drawing structured patterns. It was created by Rick Roberts and Maria Thomas. “Zentangle” is a registered trademark of Zentangle, Inc. Learn more at zentangle.com.

Gleanings of the Week Ending March 1, 2025

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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

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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

Missouri Trees

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The topic of the session at the two libraries in a nearby county was Missouri trees. Since it was the fourth (and last) event for our 3-person team of Missouri Master Naturalists, we managed to gracefully recover when one of us (the one bringing some small redcedar branches) had a tire emergency on the way to the first library. She managed to get there a few minutes before the children arrived, but we had already implemented a backup plan by cutting a few low branches from another tree! We were ready to go when the first 15 students (and 6 parents) arrived!

There were four activities:

Examining small branches of trees (river birch, redbud, maple, redcedar, shortleaf pine and eastern white pine). There were some extras that aren’t native to our area but are native to North America and that thrive planted in yards and gardens that we showed too (Southern Magnolia and Eastern Hemlock…the tiny cones on the hemlock fascinated the whole group).

Examining things left from last fall: glycerin and plastic sleeve preserved leaves, seed and seed pods, pine cones, and a white oak seedling.

Counting tree rings (everyone with their own tree cookie) along with some pictures that showed that the rings are not always neat concentric circles.

Looking forward to spring and the state tree – the Flowering Dogwood…with a pattern art project. The picture is of some samples I made beforehand, but the students did beautiful work on their pages…and were very focused (and quiet) while they worked.

The session was a great finally for our series!

Very Cold Weather

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Last week we had snow and some very cold days with temperatures in the single digits (on both sides of 0 degrees Fahrenheit. Fortunately we had been paying attention to the forecast and could simple stay indoors for 3 days!

I took some pictures through the window on the second morning. There was still snow caught in the holly trees around our bird feeders…and there was enough breeze to move our wind chimes. Later in the day most of the snow had been knocked out of the trees.

In the afternoon, I opened the door to our deck for a few seconds to get a picture of the chairs with snow drifts. The wind was still redistributing the snow; when the sun was out, it looked like there was glitter in the air.

I bundled up and went out to assess our driveway…no melting even though the sun had been out for most of the morning. The temperatures were too low.

I shoveled about a third of our driveway before a neighbor came home and walked over to ask if I wanted him to use his snow blower on the rest of it. Yes!!! He said he had gone to Kansas City to buy it a last month and I am now thinking we might need to do something like that too!

Ten Little Celebrations – February 2025

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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

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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

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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

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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

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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

Sustaining Elder Care – February 2025

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I took three days for my monthly trip to Dallas rather than the usual two. A weather forecast for snow prompted the decision…since it would be impossible to leave early in the morning. There were two appointments I wanted to keep – one to signing tax forms for my dad and the other to complete the set up at his bank so I could sign for him if needed. It turned out that the drive down was not bad. The highways were clear; the first rest stop still has some snow/ice remnants but even that had melted way by the time I was mid-way through Oklahoma.

I got to Dallas early enough to see my dad on my that first day…and two more times before I left to come home. During my recent visits, I’ve noticed my father’s further decline each month – both physical and mental. He rarely can complete a sentence now and tends to look at his feet when he stands up and walks (hunched over) with the walker. The cold weather keeps him from taking walks outside most of the time and the impact on his physical fitness is noticeable. It felt right to see him for the extra day.

He had another round of Covid since my last visit; he appears to have come through OK although he had a few rough days when he was quarantined to his room, and he became concerned that the house was too quiet (thinking he was alone in the assisted living residence). One of my sisters arrived (masked and gloved) at the perfect time to reassure him. And now the house is back to normal with residents out in the shared big room more frequently…and a television on there.

We had a rough time starting a new puzzle on the second afternoon but then did very well the next morning – completing the frame and forging ahead. Dad seemed more adept at finding pieces that fit. Perhaps he is always more alert mentally in the morning. I’ll need to consider that going forward.

I drove home on the third day and it was unexpectedly harder than I thought….foggy and rainy the whole way. The temperature was high enough that I wasn’t worried about ice, but the sheets of water thrown up by the big trucks on the highway along with the wind made for a stressful drive. The 7 hours on the road was exhausting. I was relieved to be home again.

Josey Ranch – February 2025

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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

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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.

More Snow

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We had more snow last week…not as much as our previous snow day. The temperature hovered around freezing so it was slushy from start to finish. I took some pictures around the peak accumulation. There was no breeze so the pines and cedars and seed pods and patio furniture held the wet snow.

My favorite was my young eastern red cedar; I hope it survives transplanting in the spring.

The birds were very active at our feeders – as they were during the last snow. Unfortunately, a flock of about 15 starlings swarmed in and took turns at the feeders chasing the smaller birds away.

The street in front of our house is barely covered with snow and it appears to be melting. Hopefully it will simply melt and it won’t be a problem to get out and about tomorrow.

Owl Pellets!

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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

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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

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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.

PT on my Own

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It’s been three weeks since my last physical therapy session. I’ve had some ups and downs. The therapy did succeed in dramatically reducing my back pain but now there are other aches that I wasn’t noticing previously. They could be simply a byproduct of me becoming more active and using some muscles that did not get worked very much previously. There were a couple of days I felt like I was coming down with a cold or flu…but then I bounced back feeling back to normal without getting sicker.

No matter how I feel…I do at least some PT every day and try to add repetitions or harder exercise as often as I can. The overall trend is good but not always a straight path. I am challenged to remember the warm-up required for some parts of the routine. One routine that is done on stairs is particularly hard on the knees if I don’t warm-up first!

There is more vigorous activity in some of my other activities now. I fast walk between by car and the geology class I am taking; the last bit is up three flights of stairs. After class I take the stairs down and go to another building to meet my daughter for lunch…with another 3 flights of stairs up to the dining room. We take the elevator down! On those days, I don’t do the PT routine that involves stairs.

I am still challenged to remember to stand correctly when I am out and about – particularly on uneven terrain after being in the car for an hour or more; the result is that my back starts hurting. My husband and I are going to be taking some field trips soon that will give me more opportunity to practice – learn how to get my muscles warmed-up enough after being in the car to enjoy the hiking.