Research on pigs led to the development of CAT scans.

The largest hotel in the world is the MGM Grand, which has 5,034 rooms and is located in Las Vegas, Nevada.

If the entire population of earth was reduced to exactly 100 people, 51% would be female, 49% male; 50% of the world's currency would be held by 6 people, one person would be nearly dead, one nearly born.

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