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Actor Roger Moore poses with a martini after learning he would play the British secret agent James Bond. AP Photo

3 questions about vodka, answered

To celebrate National Vodka Day, a food historian debunks myths and highlights unknown facts about one of America's favorite liquors.
Light-emitting diodes (LEDs) used in medical devices and for growing plants, like potatoes seen here, are used by NASA to grow plants in space. The U.S. space agency plans to grow food on future spacecraft and on other planets as a food supplement for astronauts. NASA

Improving upon the sun: LED lights fuel plant growth in space

LED lights can actually improve upon the sun and help grow plants in space. A Canadian team of researchers is helping to refine and perfect LED technology.

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