In zero gravity, a candle's flame is round and blue.
16
Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
0
Aluminum used to be more valuable than gold!
84
0.3% of solar energy from the Sahara is enough to power the whole of Europe.
310
Nylon is made from coal and petroleum.
42
According to scientists, the color of the cup that we're drinking from can alter our perception of the actual taste of the drink.
12
Sound at the right vibration can bore holes through a solid object.
134
