Harvard earns enough money from interest on its endowment that it could offer free tuition to every student and still profit.
13
No president of the United States was an only child for his parents.
51
In 75% of American households, women manage the money and pay the bills.
97
The US national public health institute, Centers for Disease Control and Prevention, has an actual plan in case of zombie invasion.
29
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5