By weight, Bone is five times stronger than steel.
417
There are more than 150 million sheep in Australia, and only some 20 million people.
247
On average, someone in the US suffers a stroke every 40 seconds; someone dies every 3 minutes from stroke.
57
There are about 255 babies born worldwide every minute.
46
On average, a human being will have sex more than 3,000 times and spend two weeks kissing in their lifetime.
161
Dutch, on average are the tallest people.
187
Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
104
The Japanese, on average, are the shortest people.
320