Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101
Scientists have developed a microparticle filled with oxygen that can be injected into the blood stream, enabling us to live without breathing.
21
The average home creates more pollution than does the average car.
33
Cold water weighs more than hot water.
93
Sound at the right vibration can bore holes through a solid object.
134
Balsa wood is classified as a hard wood!
41
A single cup of gasoline, when ignited, has the same explosive power as five sticks of dynamite.
57