A quarter has 119 grooves on its edge, a dime has one less groove!
34
The full moon causes a tidal wave to roll up the Amazon river once in day and once in night for a period of only three weeks in a year. This results in continuous 4m high wave that can be surfed for up to 13km.
14
Blue eyes are the most sensitive to light, dark brown the least sensitive.
105
Sunflowers can be used to clean up radioactive waste.
17
In Monopoly, the character locked behind the bars is called Jake the Jailbird. Officer Edgar Mallory sent him to jail.
65
You can hear the blood flowing through your ears if you find a quiet place and cover them tightly.
17
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
Approximately 60% of the water used by households during the summer is used for watering flowers and lawns.
79