Well-meaning folks have assumed kids want to process what they've lived through. That turns out to be not the case. Kids who lived through Katrina taught mental health professionals valuable lessons.
Ebola's physical legacy doesn't end when a patient leaves the hospital. A follow-up of the small group of patients treated in the U.S. finds many experienced various symptoms for months.
For the first time, researchers have estimated how much illness and death unsafe food causes worldwide. Their report finds the most common culprits are norovirus, Campylobacter and E. coli.
A milk chiller run on manure. A sun-powered pond aerator. These are some of the creative ideas that could change the game for the world's poorest farmers.