Who Was Throwing Spears Before Humans?

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Who Was Throwing Spears Before Humans?         Human-like beings before our species likely handcrafted sophisticated tools. Read More WATCH VIDEO: How Old Is The Human Race? How long have humans been walking the planet? Turns out, the answer is in our genes!  Art Taken to the Extreme: Photos         Art may be subjective, but just about anyone would find these protest works shocking. Read More WATCH VIDEO: Michelangelo's Face Revealed Portraits of Michelangelo suggest he was nowhere near as beautiful as the works of art he produced. Drug to Reduce Risk of Space Radiation Cancers?         An experimental drug could protect future astronauts from radiation in space and reduce the risk of cancer. Read More WATCH VIDEO: How Fire Burns In Space Without gravity, what does a burning fire look like? How Graphene Might Change the World: Video         Graphene is the most promising new material out there, likely to revolutionize the way we do or build almost anything. It's pure carbon, and totally amazing. 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