Research has determined that most people are happiest at 7:26pm on a Saturday night.
69
Every human spent about half an hour as a single cell.
144
Babies crawl an average of 200m a day.
212
You forget 90% of your dreams.
256
On average a woman has 4 sexual partners in her lifetime.
-143
The world's shortest man measures only 21.5 inches.
73
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
The oldest stone tools found are dated from 2.7 - 2.9 million years ago. The species that made these tools is unknown.
13