The 1 yen coin can be used as a weight, because it weighs exactly one gram. Also, it can float on water.
19
Caffeine boosts memory.
405
If you flip a coin ten times, the odds against its coming up with the same side showing each time are 1,023 to 1.
39
One in five long-term love relationships began with one or both partners being involved with others.
177
On average, 100 people choke to death on ballpoint pens every year.
72
Diamonds mined in Brazil are harder than those found in Africa.
40
80% of millionaires drive used cars.
68
The scent of women’s tears temporarily reduces sexual arousal and testosterone production in men.
12