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The North Star Is Changing

Polaris getting brighter over the centuries

(Newser) - Polaris is famed for its consistency, but the North Star we see today is brighter than it was in the 1800s. In fact, if historical records are correct, the star has gotten about 2.5 times brighter over the course of the past two centuries, researcher Scott Engle tells Space.... More »

Humans Ace Computer in Poker Match

AI edged out, but programmers plan to up the ante

(Newser) - Two top-rated professional poker players defeated the world's top poker computer after a tense John Henry-like showdown yesterday at an Artificial Intelligence Conference, CBC reports. The victory was determined by a tie-breaking round after both man and machine took one each; over 500 hands were ultimately dealt. More »

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