The first semi-permanent settlements appeared in Florida around 5000 B.C.
10
Harvard earns enough money from interest on its endowment that it could offer free tuition to every student and still profit.
13
The US national public health institute, Centers for Disease Control and Prevention, has an actual plan in case of zombie invasion.
29
There are 189 people named 'Lol' in the U.S.
11
Every month, about 9 out of 10 American children visit a McDonald’s restaurant.
299
One million Americans, about 3,000 each day, take up smoking each year. Most of them are children.
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