Vomit to Poison: Gift-Giving in the Animal Kingdom

TECH SPACE HUMAN EARTH HISTORY ANIMALS ADVENTURE VIDEO View Online ANIMALS GIVE VOMIT, POISON FOR CHRISTMAS If you think you've gotten some weird holiday presents, learn what other animals give as gifts. READ MORE Series of Earthquakes Threaten Michelangelo's David Earthquakes rattle Florence, raising concerns about Michelangelo's David. READ MORE WATCH VIDEO: Michelangelo's Face Revealed Portraits suggest Michelangelo was nowhere near as beautiful as his art. Dust Devils' Powerful Updrafts Could Drive Mars Climate Mars is often viewed as frigid and unchanging, but nothing could be further from the truth. READ MORE WATCH VIDEO: Can We Grow Plants on Mars? What's necessary to grow crops on Earth? And is Mars able to sustain life?   We're Really Bad at Gift-Giving Science has trained its steely eyes on our gift-giving skills and found them lacking. 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 2014 Discovery Communications, LLC