Diamonds mined in Brazil are harder than those found in Africa.
40
Standard paper cannot be folded in half more than 7 times.
232
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
In Dubai, there’s a fridge magnet that orders a pizza delivered to your door.
12
The New York Stock Exchange started as a coffee shop!
99
The best time for a person to buy shoes is in the afternoon. This is because the foot tends to swell a bit around this time.
49
Fine-grained volcanic ash can be found as an ingredient in some toothpastes.
55
Babies are born without knee caps.
78