Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
The average home creates more pollution than does the average car.
33
Scientists have developed a microparticle filled with oxygen that can be injected into the blood stream, enabling us to live without breathing.
21
One cubic foot of gold weighs more than 1,200 pounds!
78
Brass doorknobs automatically disinfect themselves in about 8 hours.
18
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
The use of emoticons affects our corresponding brain areas and can actually trigger emotions.
21