5 Ways Football Could Be Made Safer

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5 Ways Football Could Be Made Safer         Among the ideas: using fewer or no pads so players don't use their heads as weapons, eliminating kickoffs, helmet lights and a shorter season. Read More WATCH VIDEO: Concussions in Football What happens to a player's brain during those hard tackles? Hubble Snaps the Best of the Nebula Bunch         Just in time for a new nebula discovery, take a walk through some of Hubble's most spectacular nebula shots. Read More WATCH VIDEO: Hubble Captures Saturn's Aurorae Astronomers release movies of Saturn's northern and southern lights, seen edge-on by the Hubble. Animals That Have Language         Language is defined by us, but it's clear that humans are not the only animals with their own complex system of vocalizing. Read More WATCH VIDEO: Apes Giggle Like Humans Apes enjoy a good laugh, according to research exploring the evolution of laughter. How Fruit Came to the New World: Video         Many fruits and vegetables we eat aren't native to the U.S. DNews traces the Old World foods that became staples of New World diets. Watch Follow Discovery News on Facebook! Get your sci-tech headlines all day on Twitter too! Follow us @Discovery_News. At Discovery we value your privacy. If you would like to be removed from Discovery News emails like this, please click here to our subscription center, where you can manage your account. We recently updated our privacy policy. This policy is effective as of 10/30/07. To see new policy click here . Discovery Communications, LLC One Discovery Place Silver Spring, MD 20910 © 2013 Discovery Communications, LLC