Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
German chemists made a replica of a trophy the size of one molecule.
68
The sun is 330,330 times larger than the earth.
75
A 'jiffy' is an actual unit of time for 1/100th of a second!
66
Dr.Jonas Salk, the man who came up with the cure for polio, didn’t patent the drug. This made the drug more affordable to the general public, and he lost out an an estimated $7 billion dollars for himself.
41
Every day, plants convert sunlight into energy equivalent to six times the entire power consumption of human civilization.
9
In zero gravity, a candle's flame is round and blue.
16