While overall memory declines as we age, that’s far from the end of the story. In fact, there are certain things older people continue to remember quite well, says researcher Alan D. Castel.

Why learn about methane? Because it could be our chance to make a real dent in global warming, says environmentalist Fred Krupp.

A kidney donation chain could narrow the huge gap between organ supply and demand. Kidney matchmaker and transplant surgeon Jayme Locke explains how.

If Bill Nye, Jackson Pollock and Rube Goldberg ever had a hack week, the end project might resemble “Nature’s Drawings,” a project from scientist/artist Fabian Oefner.

While the musical soundtrack is wholly a product of the imagination, everything else in this spellbinding animation of the HIV virus — created by Janet Iwasa — is based on the findings of researchers.

Being lucky in love isn’t like being struck by lightning — it’s a lot less random and painful. Psychologist Barry Schwartz and biological anthropologist Helen Fisher share their opinions on the subject.

Inspired by one of nature’s most efficient swimmers, bio-roboticist Auke Ijspeert and his team are building a sinuous robot that can venture into toxic waters.