Global Water Going Fast: How Much Is Left?

TECH SPACE HUMAN EARTH HISTORY ANIMALS ADVENTURE VIDEO View Online Global Water Going Fast: How Much Is Left? New studies reveal that humans are rapidly draining a third of the world's aquifers, and nobody knows how much water remains. READ MORE 5 Space Robots Rescued From Dying Missions Wake up, Philae! Here are five more spacecraft rescued after their missions nearly died. READ MORE WATCH VIDEO: Voyager 1: Where to Next? Once the historic space probe leaves our solar system, its first stop will be the Oort Cloud, where comets are made. Shark 'Highways' Crisscross the World: Photos Welcome to the shark highway, where these big fish swim thousands of miles and pause at rest stops that include 'The White Shark Café' in the Pacific. READ MORE WATCH VIDEO: How Do Sharks Breach? It takes a lot of oomph for a multi-ton shark to fly up out of the water -- learn more about why they do it. Is Spider Silk the Next Bulletproof Material? Yeah, it's that strong, and thanks to a little help from goats, spider silk-enhanced products could become commercialized soon. 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