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Humans Are Not Alone, Ancient Alien Worlds May Have Existed

By R. Siva Kumar - May 01, 2016 07:29 AM EDT

Scientists believe that advanced civilizations may have existed in past eras.

Anxiety Predicts Intelligence: Worriers Have Higher IQs

By Staff Reporter - Dec 19, 2014 10:26 AM EST

Being a worrywart could make you smart, says research.

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