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Kristina Killgrove @killgrove.bsky.social · 11 days ago
Current evidence suggests Indigenous Ancestors arrived in the Americas no earlier than 21,000 years ago, but 'there are huge gaps in our genetic dataset,' a new study reports. 🧪🏺
The ancestors of today's Indigenous people arrived in the Americas during the coldest part of the last ice age, study suggests

www.livescience.com

The ancestors of today's Indigenous people arrived in the Americas during the coldest part of the last ice age, study suggests

The first people in the Americas arrived no earlier than 21,000 years ago, but 'there are huge gaps in our genetic dataset,' a new study reports.

Replies1 Reposts6 Likes34
Scientific American @sciam.bsky.social · about 7 hours ago
Microplastics are a source of extreme concern for health: these tiny pieces of plastic have been linked to heart attacks, stroke, dementia and brain tumors. But what drives these associations has long been unclear. sciam.com/article/micr...
Microplastics are linked to inflammation—scientists might have finally worked out why

sciam.com

Microplastics are linked to inflammation—scientists might have finally worked out why

Microplastics interact with water to create highly reactive molecules, a new study finds

Replies2 Reposts32 Likes59
Kristina Killgrove @killgrove.bsky.social · about 9 hours ago
A new documentary on the archaeology of Great Zimbabwe airs tonight on PBS. I interviewed the lead archaeologist, Shadreck Chirikure, and if you click through, you can watch an exclusive clip showing the team's discovery of Longquan celadon from eastern China. 🧪🏺
Chinese pottery discovered in Great Zimbabwe reveals medieval African empire's vast connections spanning thousands of miles

www.livescience.com

Chinese pottery discovered in Great Zimbabwe reveals medieval African empire's vast connections spanning thousands of miles

Archaeologists excavating a medieval African kingdom have discovered pottery from eastern China, revealing connections across continents.

Replies8 Reposts198 Likes500
Scientific American @sciam.bsky.social · about 6 hours ago
The Trump administration is pushing changes to how NIH reviews scientific funding, drawing criticism from experts. Now, another proposal is drawing ire, with scientists saying they were locked out of commenting ahead of the deadline sciam.com/article/nih-...
NIH appears to shut down comments on science peer-review rule change ahead of schedule

sciam.com

NIH appears to shut down comments on science peer-review rule change ahead of schedule

The proposed change to how the National Institutes of Health handles grant applications has been criticized by scientists as reducing transparency

Replies1 Reposts11 Likes25
Evan Urquhart @evanurquhart.bsky.social · 4 days ago
When I have conversations with these pro-AI people and push them about consciousness or intelligence it seems like they converge on consciousness/intelligence without perspective, intent, desire, or interiority. Wow! If you simply refefine your words you can claim anything!
Replies16 Reposts51 Likes291
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