Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
No matter how cold it gets, gasoline will not freeze.
107
Out of all the senses, smell is most closely linked to memory.
146
Each day, up to 150 species of life become extinct.
-23
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
A cesium atom in an atomic clock beats over nine billion times a second.
43
The left ear is more responsive to words of love and emotion whispered into it than the right.
40
The average temperature at 40,000 feet above sea level is -60 F.
56