February 24, 2013 By examining ancient dental plaque, researchers have concluded that prehistoric humans' diets made for healthier mouths. The addition of flour and sugar to modern diets may have set the stage for a near-constant state of oral disease.
February 22, 2013 The meteor that caused at least 1,000 injuries in Russia after a startling and powerful daytime explosion one week ago has been identified as a chondrite, the most common type of meteor that falls on Earth. But that hasn't stopped a black-market economy from developing around the fragments.
February 22, 2013 Superstorm Sandy was a wake-up call for the Eastern Seaboard — especially Boston, where flooding rivers can meet a surging ocean, all in Boston Harbor. So what's a city to do? Retreat from the water or better shield buildings from flooding.
February 22, 2013 The giant fish in Lake Tahoe are thought to be spawning and schooling after being dumped there by aquarium owners.
February 22, 2013 The U.S. Department of Agriculture says farmers may get a record harvest of corn, and a higher supply of soybeans and wheat in 2013. The corn harvest is expected to be up nearly 40 percent over last year's drought-crippled level.
February 22, 2013 A glass of wine can be a welcome sight after a long day watching the kids, but fruit fly moms use alcohol from fermenting fruit to protect their offspring from marauding wasps. That's just one of the ways the tiny flies are using booze to survive the slings and arrows of existence.
February 21, 2013 Emergency contraceptives like Plan B and ella are effective at preventing pregnancy after unprotected sex. Claims that the pills are tantamount to abortion, however, aren't supported by science, say researchers. The only way the drugs work is by stopping a woman's body from ovulating.