March 12, 2013 The tiny, speckled eggs of Japanese quail should be easy targets for hungry predators. But these quail have a survival advantage — each goes out of her way, research suggests, to choose a nesting location that best matches the particular color pattern of her eggs.
March 11, 2013 At its best, the Web is a place for unlimited exchange of ideas. But the uncivil discourse that unfolds in comments sections can be poisonous. A study in the Journal of Computer-Mediated Communication suggests that rude comments on articles can change the way we interpret the news.
March 11, 2013 Living like a hunter-gatherer won't guarantee you'll be free of heart disease, according to a study of ancient human remains. Scans of mummies from preindustrial Egypt, Peru, the American Southwest and Alaska's Aleutian Islands finds evidence of hardened arteries thousands of yeas ago.
March 8, 2013 Most animals leave their home turf when they reach adulthood to avoid competing with relatives. But here's an exception: More than three decades of dogged research shows that prairie dogs are more likely to disperse when all of their family members are gone.
March 8, 2013 Neurosurgeons are testing whether electrodes implanted deep inside a patient's brain could help treat chronic anorexia. Doctors are searching for something to help in these hard cases, and a small experiment, with just a half-dozen women, is drawing attention.