The scent of women’s tears temporarily reduces sexual arousal and testosterone production in men.
12
The average person eats almost 1500 pounds of food a year.
157
Only 8% of the world’s currency is physical money. The rest exists only on computers.
20
Real diamonds do not show up on x-ray.
36
There are 293 ways to make change for a dollar.
148
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
One human hair can support 3 ounces.
191
Since 1982, a radio frequency emanating from Russia has been broadcasting a buzzer-like sound and, periodically, an unknown voice reads orders, names, and numbers. No one knows where exactly it is coming from or what it means.
13