Space station investigation goes with the flow

On Earth, blood flows down from a person's brain back toward the heart thanks in part to gravity, but very little is known about how this flow happens in microgravity. Many crew members aboard the International Space Station ...

You need this hole in the head—to be smart

University of Adelaide researchers have shown that intelligence in animal species can be estimated by the size of the holes in the skull through which the arteries pass.

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