When you look up at the blue sky and see white dots flying around, you’re actually seeing your own white blood cells.
30
Sound travels about 4 times faster in water than in air.
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People who sleep late have more mental stamina and can outperform early risers.
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In the presence of attractive women, men find running easier, take more risks, donate more money, consume more calories, and talk more.
28
Play-Doh was first manufactured as a wallpaper cleaner.
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A study found that 68% experienced “phantom vibration syndrome” — a sensory hallucination where you mistakenly think your phone is buzzing.
16
When you kiss someone for the first time, you get a spike in the neurotransmitter dopamine, making you crave more.
23