Neighborhood Watch: Friday, Dec. 19

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Thirty-six years ago today, the Apollo 17, the sixth and final manned mission to the moon, returned to Earth.NASA is launching the "CO2 Hunter," a new satellite that will be able to pinpoint where carbon is in the atmosphere.A new, "natural," sweetener, derived from the herb stevia, is set to appear in your drinks. Coke calls it Truvia. Pepsi calls it PureVia. The FDA calls it "generally recognized as safe."The Periodic Table of Awesomeness is comprised of 118 winning elements.(Image: "Land of the Sleeping Things" by Dan McPharlin, courtesy of the artist. Via butdoesitfloat.)