Only 8% of the world’s currency is physical money. The rest exists only on computers.
20
The average American uses eight times as much fuel energy as an average person anywhere else in the world.
28
When someone looks at a new love, the neural circuits that are usually associated with social judgment are suppressed.
130
Passengers on the Beijing subway can pay with plastic bottles.
29
The hole in the soda can tab is actually used to hold a straw in place and stop it from rising.
27
The scent of women’s tears temporarily reduces sexual arousal and testosterone production in men.
12