Your fingernails grow faster in summer.
744
When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
1k
The average IQ is 100, while 140 is the beginning of genius IQ.
140
You can start a fire with ice.
367
On average people fear spiders more than they do death.
447
'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
Only humans shed emotional tears.
331