Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
11
For every gallon of sea water, you get more than a quarter pound of salt.
45
Optical illusions occur when what the eyes see conflicts with what the brain expects.
75
The storage capacity of human brain exceeds 4 Terrabytes.
140
The brain case [of Neanderthals] on the average was more than 13 percent larger than that of the average of modern man
61
It takes a photon 170,000 years to travel from the core of the Sun to the surface, but only 8 minutes to travel the rest of the way to Earth.
6
Cellophane is not made of plastic. It is made from a plant fiber, cellulose, which has been shredded and aged.
44
At 15 years old, Jack Andraka invented a method of diagnosing pancreatic cancer, thus helping to save the lives of millions of people around the world. It is 168 times faster, 26,000 times cheaper, 400 times more sensitive, and has a 99% success rate.
15