When our long-ago ancestors left east Africa and spread to Europe, how did they get across the currently forbidding landscape of the Sahara? A recent analysis of Saharan plants shows that two peaks in the water-dependent plant population, indicating...

In the spirit of the day, Ira Flatow on NPR discussed the neurobiology of zombies with Steven Schlozman, a psychiatrist who has…errrm…studied the undead and has some insights into why they do what they do.

Lately I’ve been trying to expand my skills into some unfamiliar areas; in particular I’m spending more time on activities involving hand-eye coordination (playing tennis, drawing). It’s frustrating sometimes, especially because this is not an area...

This excerpt from David Attenborough’s documentary, Charles Darwin and the Tree of Life, unfolds the tree of life from single-celled organisms to the present in about 6 and 1/2 minutes. It’s a beautifully done reminder of how all life on this planet is...

Antidepressant medications available today help a great many people; however, they don’t work for everyone. Because it can take a while for an antidepressant to kick in, and there’s so much variability regarding which one will work for which person,...