Humans

There are about as many myths and misconceptions about traveler's diarrhea as there are names for it, such as Delhi belly and Montezuma's revenge. We're here to explain what actually will help.

Seventy years ago, an atomic bomb wiped a city off the map. The committee that picked the target knew the destruction would be awful, but hoped it could end the war and stop future use of such bombs.

Most young children who are extra choosy about what they'll eat eventually outgrow the habit. But research finds that in extreme cases, the pickiness may be linked to depression or social anxiety.

Women tend to feel colder than men in heavily air-conditioned workplaces. Alan Hedge, a professor of ergonomics at Cornell University, explains why — and how it can impact companies' bottom lines.

The drug derived from the venom of cone snails must be injected into the spinal column to get beyond a patient's blood-brain barrier and bring relief. But scientists think they may have a workaround.

Debra Jarvis had breast cancer, but it doesn't define her, she says. Jarvis explains how clinging to the identity of "survivor" sometimes stifles personal growth.

We often discover cancer after it's too late to treat. Jorge Soto is in the process of creating a simple, fast and cheap method for early cancer detection and all it takes is a few drops of blood.