On tonight's PBS NewsHour, Correspondent Spencer Michels and I report on a massive, groundbreaking study underway at Kaiser Permanente and the University of California at San Francisco, which one day may shed light on the genetic roots of health…

Oh to be Chris Hadfield, eating maple syrup from a tube and casually gazing down at a smoke plume streaming from Italy's Mount Etna volcano while performing experiments to improve the metal in turbine blades and dental fillings.

Mar 12

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Darth Vader and Luigi don't seem a likely pair, but we know what you're thinking after seeing the photo: George Lucas should include the Super Mario gang in the upcoming Star Wars sequel.