In zero gravity, a candle's flame is round and blue.
16
If the chemical sodium is dropped into water it will immediately and violently explode.
67
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
Termites are being researched as a possible renewable energy source as they can produce up to 2 litres of hydrogen from ingesting a single sheet of paper, making them one of the planet’s most efficient bioreactors.
24
Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
116