Diamonds mined in Brazil are harder than those found in Africa.
40
A man earned 4 million airline miles for free without breaking any laws by using his credit card to purchase free-delivery $1 coins from the U.S. mint.
11
American car horns beep in the tone of F.
66
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
68 percent of a Hostess Twinkie is air!
37
Every year around 1 billion Valentine cards are sent. After Christmas it's a single largest seasonal card-sending occasion.
14
An iceberg contains more heat than a lit match.
73