By weight, Bone is five times stronger than steel.
417
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
On average, a human being will have sex more than 3,000 times and spend two weeks kissing in their lifetime.
161
On average, someone in the US suffers a stroke every 40 seconds; someone dies every 3 minutes from stroke.
57
Dutch, on average are the tallest people.
187
The Japanese, on average, are the shortest people.
320
Two in five people in the world marry their first love.
270
40% of people who are rejected in romantic love slip into clinical depression.
72