How do I get this stupid song out of my head?
Try chewing gum, which one study found led to a 60% reduction in thoughts about earworms
Which came first, the chicken or the egg?
Most scientists say the egg, which has been around for 100 million years
What’s the sexiest dance move?
Women believe that men who vary movements in their torso and neck are significantly better dancers
What does space smell like?
Astronauts have compared the smell to that of seared steak or hot metal
When does Marty McFly get here?
He arrives on Oct. 21, 2015
Why does squinting help you see better?
It decreases the amount of stray light that enters your eyes, which blurs your vision
SOURCES: QUARTERLY JOURNAL OF EXPERIMENTAL PSYCHOLOGY; EGG & NEST, BELKNAP PRESS; BIOLOGY LETTERS; NASA; UNIVERSAL PICTURES; CORNELL UNIVERSITY
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