0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
Babies crawl an average of 200m a day.
212
On average, someone in the US suffers a stroke every 40 seconds; someone dies every 3 minutes from stroke.
57
Two in five people in the world marry their first love.
270
Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
104
Nearly half of the entire world's adult population has never drunk alcohol.
12
There are more than 150 million sheep in Australia, and only some 20 million people.
247