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
The 1 yen coin can be used as a weight, because it weighs exactly one gram. Also, it can float on water.
19
A typical full-time worker in the US with a four-year college degree earns about $50,000. This is 62% more than a worker with only a high-school diploma.
72
Fine-grained volcanic ash can be found as an ingredient in some toothpastes.
55
Donkeys kill more people annually than plane crashes.
927
The "Cobra Effect" is where a solution for a problem actually makes the problem worse.
21
Couples' personalities converge over time to make partners more and more similar.
235