Pinpointing loneliness in the brain

[caption id="attachment_7746" align="alignright" width="300"] In this image of the dorsal raphe nucleus, dopamine neurons are labeled in green, red, or both (appearing yellow). (Image: Gillian Matthews)[/caption] Humans, like all social animals, have a fundamental need…

The hidden language in dog’s wag

[caption id="attachment_6866" align="alignright" width="216"] Photo: Flickr/Smerikal[/caption] It has already been shown that dogs wag their tails asymmetrically when presented with different stimuli, and other dogs seem to behave differently when viewing left vs. right wags of…

What counts as fair?

Neuroscientists find that children’s ability to count is key to distributing resources based on merit. CAMBRIDGE, MA -- There are many ways to divvy up a pile of cookies. Among the possibilities: Everyone can get…