Fingers prune underwater not because of them absorbing the water or washing away the oil, but because of an evolutionary trait caused by the brain to enhance the grip of your fingers underwater.
24
All 13 minerals necessary for human life can be found in alcohol beverages.
282
Enamel is hardest substance in the human body.
61
A person will create enough saliva to fill two average size swimming pools during his lifetime.
191
When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
1k
We forget why we have entered a room because passing through doors creates an ‘event boundary’ causing the brain to file away what we were just thinking about.
26
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
Tigers can see 6 times better at night than humans.
305