Kissing actually has the biological purpose of passing on biological information and chemical signals to assess mating possibilities and status.
9
If the chemical sodium is dropped into water it will immediately and violently explode.
67
A single speck of dust is half way in size between a subatomic particle and the Earth.
15
For a high school science fair project, 17-year-old Michio Kaku built a particle accelerator in his parent's garage that was able to generate a magnetic field 20,000 times greater than the Earth's and produce collisions powerful enough to create antimatter.
34
In Arizona, a solar wind energy tower has been proposed that would generate as much energy as the Hoover Dam.
5
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
4.5 pounds of sunlight strike the Earth each day.
27