Cats have a weak sense of taste. They have only 473 tastebuds, humans have 9,000.
307
The adult human brain weighs about 3 pounds (1,300-1,400 g).
99
You forget 90% of your dreams.
256
Yawns are more contagious among people with closer relationships.
163
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
Due to the angle at which the optic nerve enters the brain, staring at a blue surface during sex greatly increases the intensity of orgasms.
252
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
We share 70% of our DNA with a slug.
218