10 brain twisters compete to be the best illusion of 2011
Yawning is more contagious among people who are emotionally close
Roosevelt Island was once home to the founders of the National Institutes of Health (NIH), not to mention important studies of malaria, frostbite and saltwater consumption
Experts call for small and easy changes to the Diagnostic and Statistical Manual, the "bible" of psychiatry, so that everyone with autism spectrum disorder qualifies for a diagnosis
Our internal representation of the world is flat
A new method tries to tell whether prejudice plays into voting choices
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