In zero gravity, a candle's flame is round and blue.
16
One ragweed plant can release as many as one billion grains of pollen!
51
One third of the electricity produced on earth is used to power electric light bulbs!
75
The bark of an older redwood tree is fireproof.
65
Out of all the senses, smell is most closely linked to memory.
146
All Humans Are 99.9% Genetically Identical and 98.4% of human genes are the same as the genes of a chimpanzee.
51