More than 10% of the world's salt is used to de-ice American roads.
54
Bullet proof vests, fire escapes, windshield wipers, and laser printers were all invented by women.
1k
Fine-grained volcanic ash can be found as an ingredient in some toothpastes.
55
Japanese engineers were asked to redesign the front end of the Bullet Train because it carried enough speed to create a sonic boom whenever it exited a tunnel. Residents could feel the blast from miles away.
11
New York's Central Park is nearly twice the size of the entire country of Monaco.
42
NYC's Metropolitan Transit Authority (MTA) dumps old subway cars into the ocean to serve as artificial reef.
8
160 cars can drive side by side on the Monumental Axis in Brazil, the world's widest road.
39
Bamboo plants can grow up to 36 inches in a day.
52