Brass doorknobs automatically disinfect themselves in about 8 hours.
18
The sun is 330,330 times larger than the earth.
75
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
The only letter not appearing on the Periodic Table is the letter "J".
180
Scientists in Germany have developed a candy that doesn't cause cavities.
11
Pumice is the only rock that floats on water.
14
Out of all the senses, smell is most closely linked to memory.
146