Tigers can see 6 times better at night than humans.
305
It takes twice as long to lose new muscle if you stop working out than it did to gain it.
127
When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
1k
Cats have a weak sense of taste. They have only 473 tastebuds, humans have 9,000.
307
Human hair and fingernails continue to grow after death.
7
You forget 90% of your dreams.
256
After age 30, the brain shrinks a quarter of a percent (0.25%) in mass each year.
139
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