Gleanings of the Week Ending December 14, 2019

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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.

The Two Genomes in Every Eukaryotic Cell | The Scientist Magazine® and Infographic: How the Mitochondrial and Nuclear Genomes Interact | The Scientist Magazine® - A lot has been discovered about mitochondrial DNA (and genetics) since I was in college in the 1970s!

Yellowstone's Wolves: Infusing Wildness into The Landscape – The story of wolves in Yellowstone over the past 25 years – the positive impact on the ecosystem as a whole

Sunlight-Tracking Polymer, Inspired by Sunflowers, Could Maximize Solar Power | Smart News | Smithsonian – Another way that solar panels can gain efficiency.

Springfield Plateau: Yellowjacket Nest – A yellowjacket tale from Springfield MO. I was surprised that ice was the treatment for a sting. I’ve always used baking soda with ice as the backup plan if there isn’t any baking soda available.

Why biodegradables won’t solve the plastic crisis - BBC Future – There are only pieces of a solution at this point….nothing comprehensive. It seems like the best strategy for at home is to reduce all single use plastic as much as possible. There are some easy things like reusable shopping and produce bags, but it becomes hard quickly. So many groceries and toiletries only come in plastic containers.

Remote Sensing Data Advances Soil Health Science – Cover crops and no-till practices were an advantage in record-breaking rainfalls of spring 2019.

How the House Finch Conquered Your Feeder…and A Continent – A little history of House Finches – originally from the southwest and Mexico…now in found widely across North America.

How the Aztecs could improve modern urban farming: Chinampas: An old technique might provide new solutions to sustainable urban agriculture -- ScienceDaily – The article made the multiple harvests per season seem feasible in tropical wetlands…not so much in the temperate zone where the artificial islands would go through a real winter although maybe it would just mean the use of cover crops during that time period.

Top 25 Wild Bird Photographs of the Week: December – Bird photography to enjoy!

Listening to Nature: The Emerging Field of Bioacoustics - Yale E360 – An up and coming technology for remote sensing of birds, insects, frogs and other animals.

Blog: Insect Collection Photographs – Part II

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I remember my own experience making an insect collection during the summer between my freshman and sophomore year of high school. I used thin black pins from the local university book store and found some light green Styrofoam that I cut to fit in a rectangular box. One of my friends and I made insect nets: Netting sewn into a sock-light shape with the open end gathered onto clothesline wire that was looped and duct taped to a dowel or old broom handle. They worked reasonably well! Butterflies and moths were my favorites – but I also was very pleased with dragonflies I captured as well. I included at least 2 cicada killers but not captured with the net; I put a jar over the hole I saw them disappear into! It was a memorable experience  from the late 1960s.

I never did see a cecropia moth back then…but my son-in-law has several specimens. The one with the bushier antennae below is the male. The female is the larger of the two.

There are adult and pupae in my son-on-law’s boxes.

He even managed to preserve a caterpillar with emerging parasitoid larvae! I never developed the expertise to find and preserve anything like that.

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Insect Collection Photographs – Part I

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My son-in-law has an insect collection that he’s mounted in wooden boxes – carefully labeled – to use for reference and outreach. He took the top covers off to make them easier to photograph.

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The dragonflies look very much as they do when alive.

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He pointed out the Dobson flies – what hellgrammites (benthic macroinvertebrates) grow up to be. It’s always very exciting to find the larvae in our stream surveys…we don’t see the adults as often. Both specimens appear to be females since the males have longer mandibles.

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Not an invertebrate I want to see in a house when it’s alive!

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Some of the insects are pinned to display their wing patterns with one side folded…the other unfurled.

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I’ll share more for other boxes tomorrow….butterflies and moths.

Last 2019 Student Event at Mt Pleasant

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Last week the annual Howard County Conservancy ‘Weather to the Extreme’ conference was held for 6th grade students from half the middle schools in our county. I volunteered as a session moderator. As usual – I was too busy to take pictures after the students arrive…but there was a little time just after I arrived. As I got out of my car, I heard a noise in the trees just above me and the squirrel continued to work on the black walnut long enough for me to take pictures. It’s amazing that the squirrels can get through the tough shell of these nuts.

There was a tiny amount of snow overnight…still evident in a few areas…no enough to cause any traffic challenges.

The witch hazel is still blooming, and the seed pods will be forming soon. There are buds on the witch hazel that blooms in February now. I’ll try to check them every time I go to Mt Pleasant over the winter.

Very few of the cone flower seed heads look intact. The birds enjoy the seeds….and probably knock some to the ground that will grow next spring.

There are always things to see around Mt Pleasant….even on a cold and damp day!





Gleanings of the Week Ending December 7, 2019

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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.

Red Tides Under the Microscope | The Scientist Magazine® - It’s surprising what we don’t yet know about the organism responsible for red tides – Karenia Brevis. Spanish explorers of Florida in the 15th and 16th centuries described fish kills in Gulf waters. The first official documentation was in 1882 – published in the Proceedings of the US National Museum. This article is about what we know….and where more research is needed.

The woman who reshaped maths - BBC Future – Hilda Geiringer…a refugee from the Nazis. A BBC Future column celebrating a ‘missed genius’ whose contributions are still notable in the world today.

NOAA weather balloons find no zero-ozone regions above South Pole during 2019 ozone hole season | NOAA Climate.gov – A little science…a little history…a projection. The positive message – if the trend continues, it’s estimated that the ozone layer will recover around 2070.

Abrupt shifts in Arctic climate projected: Likelihood of an abrupt increase in wildfires also noted -- ScienceDaily – With specific modeling of permafrost as it continues to degrade….it appears that the changes won’t be as gradual as  previously assumed.

Lake On Bottom Of Halema‘uma‘u Crater At Hawai'i Volcanoes National Park Now Bigger Than Football Field – The lake was noticed back in July….and is being studied with instruments on drones. More information is at the National Park Service site for the park.

Top 25 Wild Bird Photographs of the Week: Wild Birds – National Geographic Society Newsroom – I always enjoy the bird photography compiled by National Geographic every week.

Offshore Wind Has the Potential to Fulfill Global Electricity Demand 18 Times Over - Yale E360 – Hurray for this potential….the transition is the challenge.

AP: At least 1,680 dams across the US pose potential risk – There is a link to an interactive map that shows where the 1,680 dams are located. The last paragraphs of the article are the most troubling. There are a lot of dams with unknown status. Roughly 45% of Texas dams are exempt from regulation…in Missouri safety inspections are only done on 650 of its more than 5,000 dams. And states that know about problematic private dams often can’t identify the owners to address the dam’s issues.

Aging in good health: The inequalities are widening -- ScienceDaily – A study with over 11 million people tracked for 25 years!

Susquehanna Sediment in the Chesapeake Bay – Imagery of big rivers and the Chesapeake Bay after a storm at the end of October…. close to where I live. On a positive note - the sediment (even after the record rains earlier this year) has not damaged the underwater grasses on the Susquehanna Flats as much as was initially feared.

Christmas Cactus

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My daughter got a cutting from her grandmother’s Christmas cactus a few years ago. It is much travelled; the cutting originated in Texas…was potted in Pennsylvania… moved to Missouri last summer.

It has grown into a lush plant and is getting ready to bloom – right in sync with the season. It is on a glass topped table in front of a window…making the cloudy and cold days more cherry.

I took some closeup views of the buds. I like the curves and the color fade from white to pink to red. The spines at the base of the buds show up as well.

Gleanings of the Week Ending November 30, 2019

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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.

US-born residents more than 5 times likely to use prescription opioids than new immigrants -- ScienceDaily – Evidently new immigrants are often healthier than non-immigrants despite their poorer background….which is a clue that there is something about American culture that influences opioid use.

Top 25 Wild Bird Photographs of the Week: Spectacular – National Geographic Society Newsroom – Enjoy the birds! We are enjoying the birds coming to our feeder and (heated) bird bath…in the trees around our house. They are easier to see now that the leaves have fallen from the tees.

50 Fish, 50 States: Small Stream Wonders – Cool Green Science – Lots of small fish! When we are in the streams with high school students, we often find small fish but since they aren’t what we are looking for – we simply put them back without identification. Maybe I should look for a simple small fish ID to take a long and start to photograph them too.

A Giant Treehouse 'Like A Castle' Is Destroyed By Fire In Tennessee: NPR – My sister and I visited this giant treehouse in 2012 when we were in that area of Tennessee. Sad that it’s gone.

Hurricanes have become bigger and more destructive for USA -- ScienceDaily – An expensive trend.

When Turkeys Attack – I’m glad the wild turkey population is recovering….hope we can develop strategies to co-exist!

Scientists study impact of sediments and nutrients from Conowingo Dam on Chesapeake Bay -- ScienceDaily – Close to home. The base of Conowingo Dam is where we go to view Bald Eagles. There is a lot of concern now about the sediment build up in the reservoir --- state governments and the utility are working to determine best options for prolonging the energy generation capacity of the dam and improving water quality into the bay.

Big Box Stores Leading the Shift to Renewable Energy - News | Planetizen – Wal-Mart and Target are all in….what about other big box stores? What about owners of shopping centers? Lots of stores are in leased spaces.

Five Architectural Firms Retained to Redesign National Mall Tidal Basin – Another ‘close to home’ in this set of gleanings. This one is in the District of Columbia. Think of the Jefferson Memorial and the cherry blossoms. Flooding has increased over the time we have living in this area (now over 35 years). Hope they can develop a good design and get the funding to implement it.

Manta Ray Populations Have Complex Social Structures | The Scientist Magazine® - A study of the reef mantas as they aggregate around the reefs of the eastern Indonesian archipelago Raja Ampat. The study showed two distinct groupings: one dominated by older females and the other a mix of sexes and ages.

Zooming – November 2019

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November was busy with activities that didn’t include a lot of photography…..but still enough to show off some great zoom photos. Museum photography is easy using the zoom since I can get the shot I want while standing well back from the object to avoid reflections off glass cases. Usually the lighting of objects is concentrated so that my camera’s autofocus works very well. Then there are the pictures from outdoors – birds and autumn scenes. The zoom allows me to frame the picture the way I want – avoiding the need to crop later.

All the images this month were taken with my small point-and-shot Cannon SX730 HS rather than my larger Canon SC60 HS bridge camera. The smaller camera is easier to carry in my purse and faster to turn on and get the pictures of birds at my feeder!

Mt Pleasant in November 2019

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The Howard Country Conservancy fall field trips for elementary students are over for the season. I took a few pictures at Mt Pleasant as the place moved through the fall – between hikes with the students. The meadow is shades of brown now. The students almost always ask about the yellow fruits of horse nettle that are nestled down in the grasses; the color makes them stand out. Many times, we see black or turkey vultures soaring over the meadow.

Some of the dried foliage and seed pods are worth a closer look….for their complexity or the seeds attached to fibers that easily carry the seeds away (thistles and golden rod and milkweed).

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There are vines on some of the trees that are colorful – invasives like oriental bittersweet usually.

On a very cold day, I rolled over a small log. I didn’t see any squiggling critter but there was a small mushroom and amber droplets (maybe fungus?).

On a log at the edge of a brush pile, fungus was continuing its decomposition; the bark had already sluffed off.

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There is always something interesting on every hike….I’m always in awe of what the student notice and ask about….glad that they enjoy being outdoors as much as I do.

Red-Bellied Woodpecker

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My favorite birds in our backyard this month has been a pair of Red-bellied Woodpeckers. They are probably the largest bird that comes to our feeder. They contort themselves to move seeds around until they can get the larger sunflower seeds. Both the male and female take turns. The red feathers extend to the top of the head on the male…and are just on the back of the head/neck on the female. These birds both look like they are in prime condition.

I’ve also discovered that our neighbors have a feeder that the birds frequent. The birds are getting a lot of support in this neighborhood!

Sometimes the birds fly away with their seed and sometimes they seem to take it to the roof edge of our covered deck. I am beginning to wonder if they are slipping the seeds under the shingles for storage. Both the male and female seem to be doing it.

Most of the time I haven’t been able to photograph the birds in the trees but now that more of the leaves are gone in the red maple, maybe I’ll see them more frequently.

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Gleanings of the Week Ending November 23, 2019

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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.

Top 25 Wild Bird Photographs of the Week: Seed Eaters – National Geographic Society Newsroom – Quite a variety. Some are small and somewhat drab…but with the camera’s magnification – it’s easy to see that many are more interesting..

The best and worst countries to be a woman – Inclusion, security and justice. Yemen, Afghanistan, Syria, and Pakistan are the worst….Norway, Switzerland, Finland and Denmark are the best. The US scored 19 of 167 countries.

We asked women around the world these 6 provocative questions – Thought provoking and a good read for the answers from women.

Computer science classes break down cultural barriers, study shows -- ScienceDaily – This was certainly true for computer science classes and gender barriers in the US during the 70s and early 80s….and then it wasn’t. Hopefully the same does not happen in the future to this project and projects like them.

Renaissance Nun's 'Last Supper' Painting Makes Public Debut After 450 Years in Hiding | Smart News | Smithsonian – A little art history -- Plautilla Nelli. The article includes pictures before and after restoration of the painting.

California's crashing kelp forest: How disease, warming waters, and ravenous sea urchins combined to kill the kelp and close the red abalone fishery -- ScienceDaily – An ecological horror story that happened between 2013 and 2017.

Infographic: Red Tides Still Hold Tantalizing Mysteries | The Scientist Magazine® - There have been more stories about red tides in Florida again recently, so this article caught my attention. It appears that there is still a lot to learn about the organism.

Horrifying True Stories of Insect Zombies – Cool Green Science – Insect parasitized by fungus, worms, other insects….the amazing complexity of natural interactions.

Replacing coal with gas or renewables saves billions of gallons of water -- ScienceDaily – This is a big deal – particularly in areas that are water challenged (like much of the western US).

The fragrance factory: Roure-Bertrand Fils and the perfume industry in Grasse | Europeana Blog – Perfume history…from the early 1900s.

Through my Office Window – November 2019

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There has been a lot of bird traffic visible through my office window in November. The Blue Jays are frequent visitors – at the icy bird bath (we’ll put the heated bird bath out soon), in the trees, on the gutter, and in the yard.

Both male and female Northern Cardinals enjoyed the seeds on the deck and from the new feeder.

The Downy Woodpecker pair comes to the feeder and finds seeds between the deck railings and insects(?) in the knots of the deck boards.

The House Finches have returned

As have the Dark-eyed Juncos. It took the juncos a few days to discover the feeder. They were finding enough seeds on the ground underneath it before that.

The Mourning Doves are always around.

The Northern Flickers (yellow shafted) rarely come to the deck but they are around – probably more frequently than I see them. The pictures are not as good because the birds are farther away from my window – usually on a neighbor’s roof or in the red maple. One picture shows the yellow shafts very clearly.

The White-breasted Nuthatch is fun to watch – sorting through the seeds until it gets a sunflower seed. The bird has a unique shape and behavior!

The Tufted Titmice move around a lot but are frequent visitors to the feeder. They always look like their eyes are too big their head.

There are other birds that come to the feeder as well. The chickadees come frequently but are so fast that it’s hard to get a picture of them.

The squirrels stay in the trees most of the time. They come to the deck for water – but are frustrated by our feeder that has turned out to be as ‘squirrel proof’ as advertised.

Witch Hazel

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Some witch hazels (Hamamelis virginiana) bloom in the October-November in our area. I noticed one blooming earlier this month at Howard County Conservancy near the junction of the walk from the front of the Gudelsky Environmental Education Center and driveway. The shrub is one of the few plants blooming this time of year and the flowers are rather understated. The color of the flowers on this plant were a pale yellow. There can be a pleasant fragrance from the plant too. On the day I saw it, the weather was cold and breezy….I saw it in bloom rather than smelled it.

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Looking more closely – the flowers have petals like streamers. They start out curled up then unroll into gentle curves.

The shrub also had pods on it from last year. All the ones I checked had already ejected their seeds.

Fall Foliage

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The drought of late summer and early fall impacted our fall this year. There wasn’t as much color and the it did not last as long. The leaves turned brown very quickly (either on the tree or the ground). I didn’t take as many pictures as usual but there were enough for a slide show to celebrate the season (below). Most pictures were from around home – sycamore and red maple and black walnut and tulip poplar. I noticed that the young black walnut at the edge of our forest kept its leaves longer than the older black walnut trees at Mt Pleasant; our tree must benefit from the protection of the bigger trees around it. The dogwood picture with colorful leaves and seeds is from Brookside Gardens. There are a few pictures from Conowingo and Staunton River too. But most of them are from around our house…the trees visible from my office window every day…that are now in winter bareness.

Enjoy the fall finale slideshow!

Gleanings of the Week Ending November 16, 2019

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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.

Top 25 Wild Bird Photographs of the Week: November – Enjoy the birds!

Common nutrient supplementation may hold the answers to combating Alzheimer's disease -- ScienceDaily – Choline….not sure I am even getting the recommended intake very often. Taking a supplement might be worthwhile.

Female scientists gaining recognition for their breakthroughs – A little history….and hope that things are changing for female scientists working now. This article is from the November 2019 special issue of National Geographic, “Women: A Century of Change.”

New report highlights Alaska’s last five years of dramatic climate change | NOAA Climate.gov – There are often stories about dramatic high temperatures in Alaska…but this is an overall look at what is happening.

A Field Guide to Commonly Misidentified Snakes – Cool Green Science – The first photograph is labeled ‘#NotACopperhead’ – lots of snakes have probably been killed by people thinking they were a poisonous snake.

Image of the Day: Stick and Leaf Insects | The Scientist Magazine® - The article includes a link to the full study too (here). The figures alone are worth a look.

Non-pharmacologic treatments may be more effective for psychiatric symptoms of dementia -- ScienceDaily – Outdoor activities, massage and touch therapy may be more effective that drugs….and they don’t have the side effects of the drugs. I hope the findings of this study are incorporated into care decisions.

Image of the Day: Brains and Braincases | The Scientist Magazine® - The human skull shows adaptations for walking upright more than changes because of our brain structure.

Photos of the Week – October 18, 2019 | The Prairie Ecologist – Milkweed seeds.

Textile technology: Joseph-Marie Jacquard and the loom that changed the world – Some textile history from the early 1800s.

Luna Moth

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A few weeks ago – a Luna Moth was found on the parking lot of Howard County Conservancy’s parking lot at Mt Pleasant. It was not able to fly very well (probably injured) so was taken into the nature center. The first time I saw it, the long ‘tails’ were still relatively intact…but I didn’t have my camera with me.

The next day it had managed to fly up to the ‘exit’ sign in the nature center and I had my camera. The ‘trails’ had broken off, but it is still a beautiful moth. The creamy green jade color is very appealing.

This was the second Luna Moth for me this year. The other was at a rest stop on I-44 in Missouri back in June.

Both sightings were cause for a little celebration!

November Sunrise

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Now that we are back to Standard Time and most of the leaves are off the trees, the sunrise is more noticeable from the front of our house. Last week, I was coming down the stairs at the right time and noticed the colors…grabbed my camera and stepped out on the front porch to take the picture.

Our oak tree is on the right…as is the silhouette of the corner of the house across the street. The trees have gotten so big that even in winter they will be part of the sunrise.

I like to start the day this way – with beautiful color – the calm of morning in the neighborhood before the school buses come through and most people are still at home.

When I came back in, our cat greeted me…seemingly curious about my morning activity on the porch. He’d probably watched through the window.

Virginia Museum of Fine Arts – Part 2

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Continuing the highlights from our visit to the Virginial Museum of Fine Arts….

The Ancient gallery is dedicated to Egyptian, Greek, Roman and Etruscan art. I was glad the museum permits (non-flash) photography because there were lots of Zentangle prompts in the pots. Thinking about how old some of them are…how amazing it is that they survived…that they still appeal to us now. Some of them appeared to be more functional objects than art but may those pieces tell us more about the lives of long-ago peoples that things intended only for display or another special purpose.

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I’d never seen an Egyptian bust that was intentionally made from a rock with a vein of another color across the face. It is quite striking and was the ‘style’ for a short period of Egyptian history.

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In the East Asian gallery, there was black screen with botanical images. It did not look as impressive until I zoomed with the camera and made out the detail of the images.

Other items from the East Asian gallery provided a diversity of styles and materials. The small bowl is made from agate.

Back for a last look as some pieces from the Ancient gallery….gold piece from a crown, more pottery, jewelry and two small friezes.

For a short walk around, we saw a lot of interesting (and beautiful) things!

Virginia Museum of Fine Arts – Part 1

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As we drove home from Staunton River State Park, we stopped in Richmond for a couple of hours to explore the Virginia Museum of Fine Arts. It was not enough time to see everything….but we enjoyed the time we were there. I’ll be featuring the highlights of our visit in today’s and tomorrow’s post. Near the entrance was a new acquisition. See the butterfly shape first….then the hummingbirds! The artist is Susan Point and is titled Butterfly Whorl carved from red cedar, copper, and paint.

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This ceramic piece reminded me of a fennel bulb!

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Beautiful glass from the early 20th century….from sconces

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To lamp shades (dragonflies!)

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To windows. I took pictures of the whole window and then zoomed in. The waterlilies seem to come alive in glass the same way they do in life when one takes a closer look.

There were pieces of jewelry, inlaid piano cases and a crown of leaves that caught my attention to.

The Art Deco and Art Nouveau galleries were overwhelming at times. I found myself enjoying the graceful curves and sometimes the complexity but realized that I would not want this type of furniture in my home!

My husband preferred the ancient art….highlights from those galleries will be in tomorrow’s post.

Staunton River State Park sunset and sunrise

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Continuing the posts about our trek to the Chaos Star Party at Staunton River State Park….

The sunsets were not spectacular because the sky was clear. I took a few pictures the first night we were camping just before sunset…when the light on the trees was golden and the campground was buzzing with activity – getting telescopes and other equipment set up for observing.

The last morning in camp was the best sunrise – because the clouds were rolling in. The forecast was for the clouds to remain for the duration of the star party and we were going to pack up. These pictures were taken from the door of our tent. It was a cold morning and I went back in to drink hot tea, put my feet on a warmer pad, cover my legs with a flannel sheet…huddled in my camp chair to eat some breakfast and read.

Once the sun came up there was enough direct sunlight through the clouds for, the tent to warmed up and the dew to start drying. It was still cold outside the tent. The deflated our mattresses and stuffed the sleeping bags into their containers. By 11 AM we were loaded up and heading to the showers to clean up before we started the trek home.