The Groundhog Lied! Early Spring Stays Chilly

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The Groundhog Lied! Early Spring Stays Chilly         Despite the formal start of spring on March 20, the weather service has forecast at least two more weeks of colder-than-normal temperatures for most of the nation. Read More WATCH VIDEO: What Is Spring, Exactly? How do flowers know intuitively that spring is here? 10 Materials That Copy Nature         Scientists emulate nature's wisdom to create innovations in the lab. Read More WATCH VIDEO: Plants Can Hear You! Plants can not only hear you, they can also feel you, smell you, and remember things. All-Terrain Bots Get More Agile         A new finding could help legged robots climb over shifting sand, pebbles and stairs. Read More WATCH VIDEO: The Robot Takeover is Coming Squirrels have taught robots to lie, the first sign of the robot rebellion. Super-Dense Planets May Be Boiled Gas Giant Dregs         Bizarre, super-dense chthonian planets may be the cores of evaporated gas giants. Read More WATCH VIDEO: Solar Storms: 5 Reasons to Care Right Now Are these intense geomagnetic storms harmful to humans? 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