Life
Early human ancestors didn’t regularly eat meat
Chemicals in the tooth enamel of Australopithecus suggest the early human ancestors ate very little meat, dining on vegetation instead.
By Jake Buehler
Life
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Hand-feeding squirrels accidentally changed their skulls
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How people suppress memories may be key to PTSD recovery
People who recovered from PTSD changed the way their brains handle intrusive thoughts, a study of survivors of the 2015 Paris terrorist attacks shows.
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Humans, not climate change, may have wiped out Australia’s giant kangaroos
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‘Forever chemicals’ are causing health problems in some wildlife
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- Animals
Velvet ants have the Swiss Army knife of venoms
A velvet ant bite like “hot oil from the deep fryer” delivers an array of peptides that inflicts pain on insects and mammals alike.
- Neuroscience
The unique neural wiring of the human hippocampus may maximize memory
Living tissue from the memory centers of people’s brains reveals sparse nerve cell connections that provide strong, reliable signaling between cells.
- Animals
American burying beetles are making a comeback in Nebraska
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