Scientists have developed a microparticle filled with oxygen that can be injected into the blood stream, enabling us to live without breathing.
21
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
Some toothpastes and deodorants contain the same chemicals found in antifreeze.
38
Nylon is made from coal and petroleum.
42
Iron weighs more after it rusts.
68
The average home creates more pollution than does the average car.
33
Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65