In zero gravity, a candle's flame is round and blue.
16
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
All Humans Are 99.9% Genetically Identical and 98.4% of human genes are the same as the genes of a chimpanzee.
51
German chemists made a replica of a trophy the size of one molecule.
68
Sound travels fifteen times faster through steel than through air.
134
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
Rafflesia Arnoldii is the largest flower in the world and can grow as big as an umbrella.
42
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71