Water is actually naturally blue.
48
'X' became symbolic for a kiss because in the middle ages when alot of people were illiterate and they used to sign documents with an X and then kiss it for sincerity.
255
Daft Punk named their band after a negative reviewer called their act "a bunch of daft punk."
58
Not swinging your arms when you walk increases the effort of walking by 12%, the equivalent of walking 20% faster or carrying a 10 kg backpack.
12
At 90 degrees below zero, your breath will freeze in mid-air and fall to the ground.
24
Blue eyes are the most sensitive to light, dark brown the least sensitive.
105
Blue light fends off drowsiness in the middle of the night, which could be useful to people who work at night.
240