Playing Tetris after a traumatic event can prevent the development of traumatic memories and reduce the chance of having flashbacks.
29
An average heart beats 100,000 times a day, pumping some 2,000 gallons of blood through its chambers. Over a 70-year life span, that adds up to more than 2.5 billion heartbeats.
73
If Earth's life was compressed into 1 year, then humans would have been around for only 2 seconds.
15
There are about 255 babies born worldwide every minute.
46
In ancient Egypt, priests plucked EVERY hair from their bodies, including their eyebrows and eyelashes.
130
If the human eye was a digital camera, it would have 576 megapixels.
25
Every human spent about half an hour as a single cell.
144
It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11