The 409 escalators in the London subway cover a distance every week which is approximately equivalent to several trips around the globe!
94
It's impossible to kill yourself by holding your breath.
22
When you are looking at someone you love, your pupils dilate, they do the same when you are looking at someone you hate.
1k
The strangers in your dreams are actually people that you've seen in real life.
50
A million dollars weighs about a metric ton. Hence the expression "a ton of money."
66
There was once an undersea post office in the Bahamas.
241
There are more nerve cells in the human brain than there are stars in the Milky Way.
349
On average, every dollar bill you touch has over 3,000 different types of bacteria.
8