EmbedVideo(3255, 482, 304); Is it inherent gender differences, subtle discrimination, the overwhelming "maleness" of the hard science fields? Experts have struggled for years to understand what's keeping more women from entering physics, engineering and computer science.

EmbedVideo(3133, 482, 304); In 1998, Dr. Billy Campbell, a family practitioner in Westminster, South Carolina, opened a land preserve founded on a unique model: enlisting death in the fight for ecological conservation. Calling it the Ramsey…

In a study released last week, computer scientist Selim Akl of Queens University demonstrated that slime mold is fantastically efficient at finding the quickest route to food. When he placed rolled oats over the country's population centers and…