Tigers can see 6 times better at night than humans.
305
In one day, adult lungs move about 10,000 litres of air.
11
The oldest stone tools found are dated from 2.7 - 2.9 million years ago. The species that made these tools is unknown.
13
It has been scientifically proven that stroking a cat can lower one's blood pressure!
456
Only humans shed emotional tears.
331
The average person's skin weighs twice as much as their brain.
131
Our brains have a negativity bias and will remember bad memories more than good ones.
15
Gorillas can catch human colds and other illnesses.
205