A single speck of dust is half way in size between a subatomic particle and the Earth.
15
The average temperature at 40,000 feet above sea level is -60 F.
56
Hot water can freeze faster than cold water.
181
Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
0
In zero gravity, a candle's flame is round and blue.
16
In the 60s, a scientist gave LSD to dolphins in an attempt to teach them English.
17
There is a surgical implant being developed that will give you an orgasm at the touch of a button.
20