A highly sensitive blood test for Ebola exists, so why isn't it being used to test all returning health workers from West Africa? Because the virus isn't in the blood in the first stages of infection.
The area of land no longer suitable for farming because of salt degradation is rising quickly. Scientists argue the private sector should help fund efforts to reverse it since it relies on the crops.
The New England Journal of Medicine published an editorial against quarantining people who have worked with Ebola patients in Africa. Renee Montagne speaks with Dr. Lindsey Baden, one of the authors.
A 700-year-old caribou dropping from northern Canada holds surprisingly well-preserved viruses. There's no evidence the viruses are dangerous, but they are scientifically interesting.
Is California's severe drought hurting the nutrient content of fruit? No, preliminary data on pomegranates suggest. The fruit may be smaller, but packed with more antioxidants, tests show.
"When I first saw him he had a little bit of eye movement and that was really the only way he could communicate," says Eric Sellers, who helped a patient use a brain-computer interface to communicate.