August 14, 2012 A study found that a third of the residents of Minamisoma had detectable levels of radiation. But another study said plant workers are at risk of psychological distress.
August 7, 2012 Pfizer's research on an experimental drug that attacks plaques in the brain has been discontinued. But scientists say they're hopeful that new treatments that attack a specific protein in plaques will have better success.
July 30, 2012 As BPA is phased out of some plastics, there are questions about the safety of other chemicals. A suit has been filed against Eastman, a company that makes a new BPA-free plastic called Tritan. Do other chemicals carry the same risks alleged for BPA?
July 17, 2012 Years after chemical companies stop using BPA in baby bottles and sippy cups, the Food and Drug Administration announces a ban. But consumer groups say FDA should do more and ban BPA from all food containers.
July 2, 2012 A study of more than 45,000 women in Denmark finds an association between suicide attempts and infection with a common parasite. The findings don't prove the parasite is the cause, but they add more evidence to a hypothesis that's been gaining momentum.
June 25, 2012 When solar storms strike, radio signals jam, power grids go down, GPS systems fail. Two new satellites may soon help NASA scientists understand the effects of space weather down here on Earth. The probes, two years in the making, will finally be launched on Aug. 23.
June 19, 2012 Consumers get agitated when they see apples, celery and red peppers singled out for containing the most pesticide residue. Scientists say it's not such a big deal because the pesticide levels are extremely low.
May 16, 2012 Many residents of Dish, Texas, blame the fracking operations that surround their tiny town for a host of health problems — from nosebleeds to cancer. The former mayor was so scared, he left town. But scientists who've studied Dish say there's not enough evidence to link natural gas operations to any illness.