T. rex’s Bite Was Really Really Wide

TECH SPACE HUMAN EARTH HISTORY ANIMALS ADVENTURE VIDEO View Online T. rex's Bite Was Really Really Wide T. rex could stretch open its jaw 90 degrees – all the wider to bite the heads off its prey. READ MORE Spooky Comet Gets Some Radar Love The Halloween Comet of 2015 got its close-up radar snap-shot and astronomers now hope to figure out whether or not it's a dead comet. READ MORE WATCH VIDEO: Saturn and Jupiter Could Be Full of Diamonds A few planets in our friendly little solar systems might be flush with gems. Tidy Monkeys Shed Light on Human Cleanliness The monkeys are so clean that they usually will only eat food after they have first washed it in antibacterial salt water. READ MORE WATCH VIDEO: Evolution Is Happening Right Before Your Eyes See how evolution is occuring in some species right now. What Happens in the Brain When We Go on Autopilot Our brains handle the everyday things we do in a mode that's distinct from when our grey matter knows it needs to flip the switch to "On." 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