In zero gravity, a candle's flame is round and blue.
16
A coal power station puts 100 times more radiation into the air than a nuclear power plant producing the same amount of energy.
7
Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
42
Your brain is 80% water.
525
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
Scientists are learning from the 1700-year-old Lycurgus Cup, which changes colour thanks to nano particles.
0
Hot water can freeze faster than cold water.
181
Brass doorknobs automatically disinfect themselves in about 8 hours.
18