Oxygen, carbon, hydrogen and nitrogen make up 90% of the human body.
118
Approximately 70 percent of the earth is covered by water. Only 1 percent of this water is drinkable.
65
Scientists in Germany have developed a candy that doesn't cause cavities.
11
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
The only letter not appearing on the Periodic Table is the letter "J".
180
Out of all the senses, smell is most closely linked to memory.
146
Sound at the right vibration can bore holes through a solid object.
134