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
We forget why we have entered a room because passing through doors creates an ‘event boundary’ causing the brain to file away what we were just thinking about.
26
The 409 escalators in the London subway cover a distance every week which is approximately equivalent to several trips around the globe!
94
The best diamonds are colored blue-white.
80
Every year around 1 billion Valentine cards are sent. After Christmas it's a single largest seasonal card-sending occasion.
14
Water is actually naturally blue.
48
The Band-Aid was originally made for the inventor's wife, who often cut and burned herself while cooking.
6
The longest Monopoly game in history lasted 70 straight days.
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