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When Does Paleoanthropology Become Archaeology?

Was there ever a time when humans were "pre-human"? Recent finds are overturning assumptions about human ancestors.

The Machinery Behind the Senses

There's a lot of physical work our eyes, ears, and brain cells perform to support our perceptions of the world.

Body Secrets You Never Heard Of

Your body is performing hi-tech processes all the time that (thank goodness) you never have to think about.

Your Cat and Evolution

This week's just-so story is, "How the kitty got its stripes." All the news are on it; they just don't answer the question.

Human Brain: "Enormous Biochemical Complexity"

A new biochemical atlas finds consistency, complexity, and precision in the human brain.
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