Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65
A ball of glass will bounce higher than a ball made of rubber.
73
Nylon is made from coal and petroleum.
42
Out of all the senses, smell is most closely linked to memory.
146
Scientists are now able to grow 'beating' heart tissue in a lab!
162
Each day, up to 150 species of life become extinct.
-23
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101