By weight, Bone is five times stronger than steel.
417
Two in five people in the world marry their first love.
270
The Japanese, on average, are the shortest people.
320
Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
104
Dutch, on average are the tallest people.
187
On average, someone in the US suffers a stroke every 40 seconds; someone dies every 3 minutes from stroke.
57
Babies crawl an average of 200m a day.
212