The water crisis in Flint, Mich., raised an alarm about the dangers of lead in our water supply, but it is not new knowledge. Madison, Wis., knew about it and removed all its lead pipes 15 years ago.
Scientists say research has establish a connection between Zika and microcephaly. More research is needed to establish how much danger a fetus is in if a pregnant woman becomes infected.
New Mexico is using time-motion studies to sue a chain of nursing homes for fraud. State prosecutors say the facilities couldn't possibly have provided the care promised — and billed for.
Mountain lions are known to be scary lone hunters, but a biologist aims to prove us wrong with thousands of videos showing the big cats in their natural habitat.
On Wednesday, the FDA approved an experimental test that screens blood donations for the Zika virus. It's a response to a blood donation shortage in Puerto Rico, where local donations were halted out of fear of spreading the virus.
From the beaches of New England, you could be looking toward Africa, Australia, Europe or South America. Andy Woodruff has illustrated the surprising paths we'd trace if we could follow our gaze.
March is when oil equipment starts using ice roads on the Alaskan North Slope. It's also when polar bears and cubs emerge from dens. Aerial spotters find dens so roads and workers can bypass bears.
Headlines once warned the global quinoa boom was putting the nutritious crop out of the reach of those who grow it. New studies put those fears to rest. But bad news may loom for Andean farmers.
The organ donor and both recipients in the procedure this month were all HIV-positive — a first in the U.S. Using HIV-positive organs for some patients could enable a thousand more transplants a year.