Uncategorized
- Anthropology
Whaling may have started 1,500 years earlier than already known
Specialized whale-bone harpoons from southern Brazil dating back 5,000 years suggest that Indigenous groups in the area were whalers.
- Genetics
AI tool AlphaGenome predicts how one typo can change a genetic story
The tool helps scientists understand how single-letter mutations and distant DNA regions influence gene activity, shaping health and disease risk.
- Health & Medicine
What the new nutrition guidelines get wrong about fat
New U.S. dietary guidelines promote eating full-fat foods and meats. But experts say nuts and seed oils are better sources of the two crucial fats we need.
- Health & Medicine
The brain’s response to a heart attack may worsen recovery
In mice, blocking heart-to-brain signals improved healing after a heart attack, hinting at new targets for cardiac therapy.
- Animals
Spider silk-making organs evolved due to a 400-million-year-old genetic oops
An ancient ancestor of spiders and relatives doubled its genome about 400 million years ago, setting the stage for the evolution of spinnerets.
- Archaeology
This ancient stick may be the world’s oldest handheld wooden tool
These 430,000-year-old wooden tools from Greece are a rare find and provide a glimpse at the technical know-how of our early human ancestors.
- Animals
Some vaccines are making progress in protecting vulnerable species
Vaccines can be a crucial conservation tool. But getting shots to wildlife, and developing them in the first place, is tough.
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The inner lives of animals
Editor in Chief Nancy Shute discusses how scientists are beginning to study animals’ emotions and personalities — from joy to individual temperament.
- Animals
How Greenland sharks defy aging
When it comes to bucking the biological ails of aging, humans could learn something from Greenland sharks.
- Health & Medicine
It masquerades as malignant. But this bone-covered tumor is benign
Scientists have described a novel, yet benign bone-covered growth's characteristics for doctors, so patients don't receive unnecessary chemotherapy.
- Physics
Physics theories about the multiverse are stranger than fiction
Cosmology and quantum physics both offer tantalizing possibilities that we inhabit just one reality among many. But testing that idea is challenging.
- Space
Seismometers can track falling space junk
As the threat of falling spacecraft increases, using earthquake sensors to detect the effects of their sonic booms could better map trajectories.
