By weight, Bone is five times stronger than steel.
417
Approximately 141 million Valentine's Day cards are exchanged worldwide every year.
104
The average person in their lifetime will spend an estimated 20,160 minutes kissing!
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40% of people who are rejected in romantic love slip into clinical depression.
72
Dutch, on average are the tallest people.
187
Babies crawl an average of 200m a day.
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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