How Humans Survive 165 Degree Heat

TECH SPACE HUMAN EARTH HISTORY ANIMALS ADVENTURE VIDEO View Online How Humans Survive 165 Degree Heat Entire cities are literally as hot as saunas right now. Is it even possible to breathe in those conditions? READ MORE Screens Can Hurt Your Eyes: Here's What to Do About It There are easy ways to protect your eyes from screen dangers. READ MORE WATCH VIDEO: How Too Many Screens Affect Our Brain What is the impact of screen time on kids? Giant Mystery Ring of Galaxies Should Not Exist Astronomers have announced the discovery of a ring of galaxies around 5 billion light-years across -- and it defies cosmological theory. READ MORE WATCH VIDEO: With So Many Stars Out There, Why is Space Black? With bright stars everywhere, how come it's so dark out there? Hitler's Obsession with the Old West It's hard to imagine Adolf Hitler being a "fan" of something, but he was obsessed by the American Old West, and one writer in particular. 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