Ice isn't slippery. What makes people and things slip on ice is water. A thin layer of ice melts when pressure is applied to it and it is this wet layer on top of the ice that is slippery.
153
You burn more calories sleeping than you do watching television.
348
There are more nerve cells in the human brain than there are stars in the Milky Way.
349
Pollen never deteriorates. It is one of the few natural substances that lasts indefinitely.
58
Studies show that the colder the room you sleep in, the more likely you are to have a bad dream.
28
By peeing in the shower, you can save 1,157 gallons of water a year.
31
No one knows Albert Einstein's last words. Just before he passed, he spoke several words in German, but his nurse only knew English.
154
