A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7
Sound travels fifteen times faster through steel than through air.
134
Your brain is 80% water.
525
Each day is longer than the previous on by 0.00000002 seconds which is 13 seconds each century!
116
The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
Balsa wood is classified as a hard wood!
41
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
Sound at the right vibration can bore holes through a solid object.
134