There are 170,000,000,000,000,000,000,000,000 ways to play the ten opening moves in a game of chess.
266
The scent of women’s tears temporarily reduces sexual arousal and testosterone production in men.
12
More than 50% of Americans fall asleep on their sides.
86
NYC's Metropolitan Transit Authority (MTA) dumps old subway cars into the ocean to serve as artificial reef.
8
In a year approximately 900 million trees are cut down to make the raw materials needed for American pulp mills and paper.
-16
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
There are more nerve cells in the human brain than there are stars in the Milky Way.
349
