Real diamonds do not show up on x-ray.
36
Caffeine boosts memory.
405
You can hear the blood flowing through your ears if you find a quiet place and cover them tightly.
17
The key to happiness is spending your money on experiences rather than possessions, according to studies.
21
In 1997, a survey reported that 12% of Americans think that Joan of Arc was Noah's wife.
48
According to an assistant professor of psychology and marketing at NYU, wearing red increases your chances in things like dating and hitchhiking.
12
Over its lifetime, the average microwave requires more energy to display a digital clock than to heat food.
10
Sudbury Valley School allows students to do whatever they want; no curriculum, tests, homework, or even classes unless requested. 82% of students get accepted to college, as opposed to the 63% national public school average.
21