We humans think we don't have a very good sense of smell. But psychologist Alexandra Horowitz says dogs can show us how to train our noses so they give us a window into a secret world.
Scientists who found the fossils believe they are the remains of five people and far older than all previous finds. But how do the remains really fit into the bushy family tree of modern humans?
In Latin America, they drink the blood of big animals and can spread rabies. Livestock die. So do people. Ranchers want to wipe the bats out. Does anyone think that's a bad idea?
Coffee is Uganda's most valuable industry, but climate change could cut production by half by 2050. Small farmers there are already feeling the effects, as they document in these photos.
The actor's new book, If I Understood You, Would I Have This Look on My Face?, is all about communication — and miscommunication — between doctors, scientists and civilians.
NIH Director Francis Collins and Renée Fleming, who is Artistic Advisor at Large for the Kennedy Center in Washington, D.C., discuss music and medicine. They also sing a duet.
When anthropologist Renato Rosaldo went to live with a Philippine tribe that was known for beheading people, he couldn't grasp the emotion that fueled this violence. Then his wife suddenly died.