The smell of freshly cut grass is actually a plant distress call.
31
Each day, up to 150 species of life become extinct.
-23
4.5 pounds of sunlight strike the Earth each day.
27
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
All Humans Are 99.9% Genetically Identical and 98.4% of human genes are the same as the genes of a chimpanzee.
51
Stephen Hawking once tried to find potential time travellers by throwing a party and only sending out invitations after the party.
17
Out of all the senses, smell is most closely linked to memory.
146
In zero gravity, a candle's flame is round and blue.
16