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 ...

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 ...

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 ...

Sexually naive male mice, fathers respond differently to pups

Sexually naïve male mice respond differently to the chemical signals emitted by newborn pups than males that have mated and lived with pregnant females, according to a study published March 20 in The Journal of Neuroscience. ...

Worker wasps grow visual brains, queens stay in the dark

A queen in a paperwasp colony largely stays in the dark. The worker wasps, who fly outside to seek food and building materials, see much more of the world around them. A new study indicates that the brain regions involved ...

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