Is Air Conditioning Killing the Planet?

TECH SPACE HUMAN EARTH HISTORY ANIMALS ADVENTURE VIDEO View Online Is Air Conditioning Killing the Planet? The United States uses more energy for A/C than any other country in the world. Learn what that's doing to our planet. READ MORE Skyscraper-Sized Waves Surge Below the Surface Massive underwater waves shed their secrets after a seven-year research effort. READ MORE WATCH VIDEO: Using Science to Surf Better How exactly does surfing work, and can understanding science make you better at it? Just One Animal Today Has Teeth Like T. rex T. rex and other big dinosaurs had teeth specialized for tearing through flesh and bone and only one living animal has similar tooth structure. Can you guess which? READ MORE WATCH VIDEO: What Color Were Dinosaurs? Movies often depict dinosaurs as being greenish brown -- is that based in fact? Asteroid Metals Tempt Would-Be Miners on Earth This week an asteroid passed by Earth that was worth an estimated $5 trillion in platinum! Is it possible to mine precious metals in space? 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