What Determines if a Storm Drops Ice, Snow or Sleet?

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What Determines if a Storm Drops Ice, Snow or Sleet?         The temperature of the air and land determine whether precipitation falls as snow, rain, sleet or freezing rain. Read More WATCH VIDEO: How We Name Big Storms Where do these names come from? And how do named storms differ from other ones? Toy Dog Breeding Causing Horrific Brain Problems         Our quest for cute dogs has resulted in an unimaginably painful condition that changes how the brains of tiny dogs grow. Read More WATCH VIDEO: Why Dogs Spin Before They Poop Wonder why dogs sometimes walk in circles? It has to do with hygiene and territorial instincts. Solar System's Largest Moon, Gets 'On The Map'         The first geologic map of Jupiter's moon Ganymede has been created, revealing its varied and complex terrain. Read More WATCH VIDEO: Top 5 Reasons Why Europa Rocks Mysteries surround an icy moon orbiting Jupiter. The Physics of Curling: Video         DNews checks out the physics behind curling first hand by learning how to play from the professionals! 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