Diamonds mined in Brazil are harder than those found in Africa.
40
The most collected calls are made on Father's Day.
92
There are more than 10 million bricks in the Empire State Building!
75
If you get water flowing fast enough, it can cut metal.
354
Stilts were invented by French shepherds who needed a way to get around in wet marshes.
45
The world’s smallest book, “Teeny Ted from Turnip Town”, is 100×70 micrometers in size and requires a scanning electron microscope to read, as light beams are too large.
6
NYC's Metropolitan Transit Authority (MTA) dumps old subway cars into the ocean to serve as artificial reef.
8