40% of people who are rejected in romantic love slip into clinical depression.
72
On average, someone in the US suffers a stroke every 40 seconds; someone dies every 3 minutes from stroke.
57
There are more than 150 million sheep in Australia, and only some 20 million people.
247
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
In 2005, 25 percent of Americans over the age of 50 played video games, an increase from nine percent in 1999.
82
Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
104