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AnthropologySome Primates’ Sheltered Lives: Baboons, chimps enter the realm of cave
In separate studies, researchers have gathered the first systematic evidence showing that baboons and chimpanzees regularly use caves, a behavior many anthropologists have attributed only to people and our direct ancestors.
By Bruce Bower -
Health & MedicinePregnancy Alert: Proteins may predict preeclampsia
Blood concentrations of two proteins that affect blood vessel growth appear to foretell the pregnancy condition known as preeclampsia.
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PaleontologyEarly Flight? Winged insects appear surprisingly ancient
New analyses of a fossil suggest that winged insects may have emerged as early as 400 million years ago.
By Sid Perkins -
TechSnappy DNA: Long strand folds into octahedron
By harnessing the self-assembling properties of DNA, researchers coerced a single strand of the genetic material to assume the shape of an octahedron.