Photos: Chimps Invent 8 Ways to Open Hard Fruits

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Photos: Chimps Invent 8 Ways to Open Hard Fruits         Chimps use eight different ways to open the same fruit, suggesting non-human primates practice culture.  Read More WATCH VIDEO: Chimps Invent Brush Tool Did chimpanzees use tools we've just discovered? A Century of World War I Tech         These inventions and technologies that changed our world emerged during the first world war. Read More WATCH VIDEO: WWII U-Boats Hit Close to Home German subs were parked just a few miles from our beaches, hunting merchant ships during World War II.  NASA's Orion Successfully Completes Extreme Drop Test         NASA's next-generation spaceship has successfully dropped from a plane at 35,000 feet and parachuted to Earth safely. Read More WATCH VIDEO: Can We Grow Plants on Mars? Last year, NASA announced the discovery of water on Mars. Could we grow plants on the Red Planet? Why Are Sea Stars Turning Into Goo?         There's a massive sea star die-off happening, the creatures losing limbs and then essentially disintegrating. So what's up with the goo? 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 © 2014 Discovery Communications, LLC