0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
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
In 2005, 25 percent of Americans over the age of 50 played video games, an increase from nine percent in 1999.
82
Every month, about 9 out of 10 American children visit a McDonald’s restaurant.
299
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
40% of people who are rejected in romantic love slip into clinical depression.
72