Human brains outpace chimp brains in the womb

Humans' superior brain size in comparison to their chimpanzee cousins traces all the way back to the womb. That's according to a study reported in the September 25 issue of Current Biology that is the first to track and compare ...

Probing Question: Are boys really better at math than girls?

In 1992, Mattel sparked a nationwide debate about math and gender when the company released "Teen Talk Barbie." Among the doll’s 270 phrases were "Math class is tough!" (often misquoted as "Math is hard"), along with "Will ...

New technique reveals genes underlying human evolution

One of the best ways to study human evolution is by comparing us with nonhuman species that, evolutionarily speaking, are closely related to us. That closeness can help scientists narrow down precisely what makes us human, ...

Bat study reveals secrets of the social brain

Whether chatting with friends at a dinner party or managing a high-stakes meeting at work, communicating with others in a group requires a complex set of mental tasks. Our brains must track who is speaking and what is being ...

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