Cats have a weak sense of taste. They have only 473 tastebuds, humans have 9,000.
307
Our Right Lungs takes more air than our left lung.
194
If Earth's life was compressed into 1 year, then humans would have been around for only 2 seconds.
15
By weight, Bone is five times stronger than steel.
417
Shark corneas are used in eye transplants and shark bone marrow can be used to graft human bones.
132
When you kiss someone for the first time, you get a spike in the neurotransmitter dopamine, making you crave more.
23
Mushrooms are more closely related to humans than they are to plants.
47
There are times when you're walking that the pressure on your feet exceeds your body weight, and when you're running, it can be three or four times your weight.
62