The human mind has always fascinated scientists, but the quest to understand psychological behavior has led researchers down some disturbingly dark paths.
The astounding revelation that U.S. medical researchers intentionally gave Guatemalans gonorrhea and syphilis more than 60 years ago is so horrifying that we want to believe that what happened then ...
From levitating magnets to mind-bending psychology studies, these ten experiments reveal just how surprising - and mysterious - our world can be. Each one challenges what we think we know about ...
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