David Harvey
@topladave.bsky.social
I am ever curious, always learning, silly, smart, and creative. I've been everything from a museum blacksmith to an archaeologist, historian, conservator, museum consultant, author, videographer, teacher of online courses. I have walked a wonderful path.
Your Tuesday Mid-Day Timeline Cleanse.
February 17, 2026 at 9:00 PM
Your Tuesday Mid-Day Timeline Cleanse.
You Knew this was Coming.
AI Confidential’s Prof Hannah Fry explores why it’s so easy to fall for AI, and why that can be so dangerous.
www.iflscience.com/in-2021-a-te...
AI Confidential’s Prof Hannah Fry explores why it’s so easy to fall for AI, and why that can be so dangerous.
www.iflscience.com/in-2021-a-te...
In 2021, A Teenager Started A Relationship With Artificial Intelligence. Then, He Tried To Kill The Queen
AI Confidential’s Prof Hannah Fry explores why it’s so easy to fall for AI, and why that can be so dangerous.
www.iflscience.com
February 17, 2026 at 7:16 PM
You Knew this was Coming.
AI Confidential’s Prof Hannah Fry explores why it’s so easy to fall for AI, and why that can be so dangerous.
www.iflscience.com/in-2021-a-te...
AI Confidential’s Prof Hannah Fry explores why it’s so easy to fall for AI, and why that can be so dangerous.
www.iflscience.com/in-2021-a-te...
And where scientists think the oldest may still be waiting to be found.
www.iflscience.com/what-is-the-...
www.iflscience.com/what-is-the-...
How Old Are The Oldest Dinosaur Fossils Ever Found?
And where scientists think the oldest may still be waiting to be found.
www.iflscience.com
February 17, 2026 at 7:11 PM
And where scientists think the oldest may still be waiting to be found.
www.iflscience.com/what-is-the-...
www.iflscience.com/what-is-the-...
Scientists investigated how relationship coaching programs may improve not only the health of your relationship, but your physical health too.
www.iflscience.com/this-one-fac...
www.iflscience.com/this-one-fac...
This One Factor In Your Relationship Could Significantly Affect Your Wellbeing
Scientists investigated how relationship coaching programs may improve not only the health of your relationship, but your physical health too.
www.iflscience.com
February 17, 2026 at 7:10 PM
Scientists investigated how relationship coaching programs may improve not only the health of your relationship, but your physical health too.
www.iflscience.com/this-one-fac...
www.iflscience.com/this-one-fac...
Are brains 'male' or 'female'? Study tracks sex differences from age 8 to 100
www.nature.com/articles/d41...
www.nature.com/articles/d41...
Brain differences between sexes get more pronounced from puberty
Study could help reveal why some mental health disorders vary between men and women — but it's not clear whether the differences are due to sex or gender.
www.nature.com
February 17, 2026 at 7:03 PM
Are brains 'male' or 'female'? Study tracks sex differences from age 8 to 100
www.nature.com/articles/d41...
www.nature.com/articles/d41...
These scientists and medical experts are taking to social media to counter climate denialism, vaccine scepticism and wellness pseudoscience
www.nature.com/articles/d41...
www.nature.com/articles/d41...
The science influencers going viral on TikTok to fight misinformation
Scientists and medical experts are countering climate denialism, vaccine scepticism and wellness pseudoscience on social media.
www.nature.com
February 17, 2026 at 7:02 PM
These scientists and medical experts are taking to social media to counter climate denialism, vaccine scepticism and wellness pseudoscience
www.nature.com/articles/d41...
www.nature.com/articles/d41...
Nature research paper: Sleep-dependent clearance of brain lipids by peripheral blood cells
www.nature.com/articles/s41...
www.nature.com/articles/s41...
Sleep-dependent clearance of brain lipids by peripheral blood cells - Nature
Peripheral macrophage-like haemocytes in Drosophila promote sleep by clearing lipid buildup in the brain, helping to maintain metabolic homeostasis and brain function and fitness.
www.nature.com
February 17, 2026 at 7:01 PM
Nature research paper: Sleep-dependent clearance of brain lipids by peripheral blood cells
www.nature.com/articles/s41...
www.nature.com/articles/s41...
Nature research paper: Sub-part-per-trillion test of the Standard Model with atomic hydrogen
www.nature.com/articles/s41...
www.nature.com/articles/s41...
Sub-part-per-trillion test of the Standard Model with atomic hydrogen - Nature
Measurement of the 2S–6P transition in cryogenic atomic hydrogen using laser spectroscopy reveals a proton radius value that is 2.5-fold more precise than previous determinations and in excellent agre...
www.nature.com
February 17, 2026 at 7:01 PM
Nature research paper: Sub-part-per-trillion test of the Standard Model with atomic hydrogen
www.nature.com/articles/s41...
www.nature.com/articles/s41...
Researchers report creating RNAs that can generate a sort of mirror image of themselves and use that template to generate the original.
Learn more: scim.ag/4ap6d1K
Learn more: scim.ag/4ap6d1K
Boosting origin of life theory, RNA comes close to copying itself
Some RNA molecules can create their own mirror images, suggesting similar molecules could have sparked life
scim.ag
February 17, 2026 at 6:43 PM
Researchers report creating RNAs that can generate a sort of mirror image of themselves and use that template to generate the original.
Learn more: scim.ag/4ap6d1K
Learn more: scim.ag/4ap6d1K
Now you see it, now you don’t: Astronomers have witnessed a giant star vanish in a nearby galaxy.
www.science.org/content/arti...
www.science.org/content/arti...
A vanishing star births a black hole—without the fireworks
Failed supernova candidate points to a stealthy pathway of stellar collapse
www.science.org
February 17, 2026 at 6:42 PM
Now you see it, now you don’t: Astronomers have witnessed a giant star vanish in a nearby galaxy.
www.science.org/content/arti...
www.science.org/content/arti...
Your Daily Gem from Matthew Dowd.
happy bday writer Dorothy Canfield Fisher, b.1879, Lawrence, KS.
“Not a thing had happened the way she had planned, no, not a single thing! But it seemed to her she had never been so happy in her life.”
“That room was full to the brim of something beautiful,...Its name was Happiness.”
“Not a thing had happened the way she had planned, no, not a single thing! But it seemed to her she had never been so happy in her life.”
“That room was full to the brim of something beautiful,...Its name was Happiness.”
February 17, 2026 at 12:33 PM
Your Daily Gem from Matthew Dowd.
Your Tuesday Morning Zen.
February 17, 2026 at 12:30 PM
Your Tuesday Morning Zen.
Effin' Donald Trump, Every Damn Day.
February 17, 2026 at 12:28 PM
Effin' Donald Trump, Every Damn Day.
Your Truth of the Day.
February 17, 2026 at 12:27 PM
Your Truth of the Day.
Good Morning BlueSky!
February 17, 2026 at 12:24 PM
Good Morning BlueSky!
Your Monday Mid-Day Timeline Cleanse.
February 16, 2026 at 9:50 PM
Your Monday Mid-Day Timeline Cleanse.
More Losing.
A win! A federal judge has instructed the Interior Department to restore signage and video exhibits at George Washington’s former Philadelphia residence that explain his ownership of enslaved people.
February 16, 2026 at 9:08 PM
More Losing.