When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
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Déjà vu occurs when your brain tries to apply a memory of a past situation to your current one, fails, and makes you feel like it's happened.
12
It is impossible to hum if your nose is plugged.
366
Couples' personalities converge over time to make partners more and more similar.
235
People spend about two weeks of their lives at traffic lights!
159
Tae Kwon Do is only around 60 years old.
64
Diamonds mined in Brazil are harder than those found in Africa.
40
Babies are born without knee caps.
78