Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
11
No matter how cold it gets, gasoline will not freeze.
107
The only letter not appearing on the Periodic Table is the letter "J".
180
Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9
One third of the electricity produced on earth is used to power electric light bulbs!
75
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
Only 12,000 years ago there was a species closely related to modern humans called Homo floresiensis that had been living on an Indonesian Island. They used fire and rather advanced tools, yet were only about 3 feet tall and weighed around 25kg.
15