Sherpas: Evolving into Superhumans?

TECH SPACE HUMAN EARTH HISTORY ANIMALS ADVENTURE VIDEO View Online Sherpas: Evolving Into Superhumans? Sherpas have evolved superhuman qualities over the 500 generations they've lived at high altitude. READ MORE Mystery of Volcano Lightning Explained A violent eruption and ice particles are key ingredients of this bizarre phenomenon. READ MORE WATCH VIDEO: Volcano Lightning: How Does It Happen? Add lightning to a volcanic eruption and the event seems otherworldly. Always Depend on the Kindness of Strangers? Nope In a crisis, you'd better have someone around who you can rely on because strangers aren't much help, a recent study finds. READ MORE WATCH VIDEO: Can a Stranger Look Exactly Like Me? See what happens in the brain when you see someone who just like you. How Many Friends Does Science Say You Need? In the Facebook era, the word "friend" has certainly gained an expanded definition. But it turns out that in real life, "you can't have too many" doesn't always apply to friendships. WATCH Follow Discovery News on Facebook! Get your sci-tech headlines all day on Twitter too! At Discovery Communications, we value your privacy. If you would like to be removed from future communications like this, please click here. Privacy Policy Discovery Communications, LLC One Discovery Place Silver Spring, MD 20910 © Copyright 2015 Discovery Communications, LLC