Sound at the right vibration can bore holes through a solid object.
134
Hot water can freeze faster than cold water.
181
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
Nylon is made from coal and petroleum.
42
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
The hair of an adult man or woman can stretch 25 percent of its length without breaking.
116