Mystery Over 15th-Century Drilled Skull Solved

TECH SPACE HUMAN EARTH HISTORY ANIMALS ADVENTURE VIDEO View Online Mystery Over 15th-Century Drilled Skull Solved Apparently ground up bone powder from the skulls of martyrs was an ingredient in sought-after medicines. READ MORE Does Historic Snow Mean Global Cooling? Not So Much Is all the snow this year proof that climate scientists have it wrong, and the Earth actually is cooling? In a word: no. READ MORE WATCH VIDEO: Why Winter Doesn't Disprove Global Warming Find out how an extreme winter figures into global climate change. Top 10 Happiest Languages Some languages are happier than others, according to a new study that ranked languages based on the emotional content of words. READ MORE WATCH VIDEO: On Happiness Scale, Experiences Trump Stuff Possessions take a back seat to life experiences, research finds. Is Your Pet Really So Cold It Needs a Sweater? You probably think either "Awwww!" or "Good grief!" when you see a pet in a  sweater. Do they really help?  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