In 1999, Harvard physicist Lene Hau was able to slow down light to 17 meters per second and in 2001, was able to stop light completely.
39
Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
Scientists in Germany have developed a candy that doesn't cause cavities.
11
Neanderthal man had a brain capacity 100cc larger than modern man's.
50
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
Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38
There are more atoms in one teaspoon of water than there are teaspoons of water in the Atlantic Ocean.
13