Mar. 21st, 2025

ysabetwordsmith: A blue sheep holding a quill dreams of Dreamwidth (Dreamsheep)
This week's theme is Glee.  See my Follow Friday Master Post for more topics.

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ysabetwordsmith: Cartoon of me in Wordsmith persona (Default)
Today is partly cloudy, windy, and chilly.

I fed the birds.  I've seen a mixed flock of sparrows and house finches. 

I put out water for the birds.

EDIT 3/21/24 -- We hauled 4 new bags of composted manure to the old picnic table.

EDIT 3/21/24 -- I did a bit of work around the patio.

As it is still windy and chilly, I'm not inclined to do more outside today.

ysabetwordsmith: Cartoon of me in Wordsmith persona (Default)
Today we caught the Flea Market Weekend at the mall. Not all the vendors were set up yet, but a lot of them were, so that was good. We got !!WOWL00T!!

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Dinosaurs

Mar. 21st, 2025 08:46 pm
ysabetwordsmith: Cartoon of me in Wordsmith persona (Default)
From dinosaurs to birds: the origins of feather formation

Scientists reveal the key role of specific genes in feather development, providing insights into their evolution from dinosaurs.
Feathers, essential for thermoregulation, flight, and communication in birds, originate from simple appendages known as proto-feathers, which were present in certain dinosaurs.By studying embryonic development of the chicken, researchers from the University of Geneva (UNIGE) have uncovered a key role of a molecular signalling pathway (the Shh pathway) in their formation. This research provides new insights into the morphogenetic mechanisms that led to feather diversification throughout evolution
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