In 1999, Harvard physicist Lene Hau was able to slow down light to 17 meters per second and in 2001, was able to stop light completely.
39
One barrel of petroleum holds 42 gallons.
20
One gallon of used motor oil can ruin approximately one million gallons of fresh water!
71
No matter how cold it gets, gasoline will not freeze.
107
Marie Curie, the Nobel prize winning scientist who discovered radium, died of radiation poisoning.
57
The Earth's atmosphere weighs about 5.5 quadrillion tons.
108
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
Out of all the senses, smell is most closely linked to memory.
146