A man's beard grows fastest when he anticipates sex.
239
It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11
If Earth's life was compressed into 1 year, then humans would have been around for only 2 seconds.
15
The human brain has the capacity to store everything that you experience.
4k
In one day, adult lungs move about 10,000 litres of air.
11
You forget 90% of your dreams.
256
Cats have a weak sense of taste. They have only 473 tastebuds, humans have 9,000.
307
Mushrooms are more closely related to humans than they are to plants.
47