A ball of glass will bounce higher than a ball made of rubber.
73
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
The only letter not appearing on the Periodic Table is the letter "J".
180
Hot water can freeze faster than cold water.
181
Research indicates that plants grow healthier when they are stroked.
173
Nylon is made from coal and petroleum.
42
Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65
Stannous fluoride, which is the cavity fighter found in toothpaste is made from recycled tin.
65