When glass breaks, the cracks move faster than 3,000 miles per hour.
47
Each year, more than 50,000 people are injured by jewelry in the U.S.
29
The top sales at Walmart as a storm approaches are Pop-Tarts and beer.
12
An underwater forest off the coast of Alabama that is 50,000 years old was uncovered by Hurricane Katrina.
16
There are more telephones than people in Washington, D.C.
121
Passengers on the Beijing subway can pay with plastic bottles.
29
Seaweed can grow up to 12 inches per day!
59
Not swinging your arms when you walk increases the effort of walking by 12%, the equivalent of walking 20% faster or carrying a 10 kg backpack.
12