Scientists concluded that the chicken came first, not the egg, because the protein which makes the egg shells is only produced by hens.
11
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57
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
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21
For every gallon of sea water, you get more than a quarter pound of salt.
45
Hot water can freeze faster than cold water.
181
Out of all the senses, smell is most closely linked to memory.
146