You can start a fire with ice.
367
The search engine Google got its name from the word 'googol', which refers to the number one with a hundred zeros after it.
56
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
There are more than 10 million bricks in the Empire State Building!
75
Mushrooms are more closely related to humans than they are to plants.
47
In the White House, there are 13,092 knives, forks and spoons!
51
It takes 492 seconds for sunlight to reach the Earth!
44
When glass breaks, the cracks move faster than 3,000 miles per hour. To photograph the event, a camera must shoot at a millionth of a second!
114