The human sigh acts as a physiological reset button.
23
Your thumb is about the same size as your nose.
124
On average a woman has 4 sexual partners in her lifetime.
-143
The human brain uses approximately as much energy as a 10 watt light bulb.
120
Humans are capable of running 40 mph according to a study by bio-mechanical expert Dr. Matthew Bundle. Today's fastest man, Usain Bolt, has a top speed of 28 mph.
34
Crying literally alleviates stress and uniquely allows humans to decrease feelings of anger and sadness.
24
It took 200,000 years for humans to reach 3 billion in number. It took 40 years for the next 3 billion.
11
Your heart will pump about 212 million liters in its lifetime.
26