Aluminum used to be more valuable than gold!
84
Because heat expands the metal, the Eiffel Tower always leans away from the sun.
79
The average temperature at 40,000 feet above sea level is -60 F.
56
A ball of glass will bounce higher than a ball made of rubber.
73
Scientists have developed a microparticle filled with oxygen that can be injected into the blood stream, enabling us to live without breathing.
21
The most expensive material on the planet is antimatter - worth $62.5 trillion per gram.
18
The average home creates more pollution than does the average car.
33
Forensic scientists can determine a person's sex, age, and race by examining a single strand of hair.
101