Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
104
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
By weight, Bone is five times stronger than steel.
417
If you're one in a million, there are about 7,234 people just like you.
31
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
Nearly half of the entire world's adult population has never drunk alcohol.
12