Passengers on the Beijing subway can pay with plastic bottles.
29
You burn more calories sleeping than you do watching television.
348
Harvard earns enough money from interest on its endowment that it could offer free tuition to every student and still profit.
13
Less than 3% of the water produced at a large municipal water treatment plant is used for drinking purposes!
24
Hong Kong has more Rolls Royces per person than anywhere else in the world.
32
It is impossible to hum if your nose is plugged.
366
Since 1982, a radio frequency emanating from Russia has been broadcasting a buzzer-like sound and, periodically, an unknown voice reads orders, names, and numbers. No one knows where exactly it is coming from or what it means.
13