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Life

Genes & Cells

Mouse fur yields insights into the genetics of camouflage, plus more in this week’s news.

Chemistry

Mad cow-type diseases lie in wait

Prion infections build quickly in the brain then pause before killing, new research suggests.

Health & Medicine

News in brief: Body & Brain

Baby's first bites make a big impression, and so do European biomedical journals, in this week's news.

Earth

Ancient fossil sheds light on early evolution of body armor

A relative of today’s crabs and insects, the 10-legged, 520-million-year-old find may be the earliest known example of its kind with protected, jointed limbs.