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
Each day, there are over 120 million sexual intercourse taking place all over the world.
301
Nearly half of the entire world's adult population has never drunk alcohol.
12
Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
104
On average, someone in the US suffers a stroke every 40 seconds; someone dies every 3 minutes from stroke.
57
On average, a human being will have sex more than 3,000 times and spend two weeks kissing in their lifetime.
161