When asked whether marijuana or alcohol would be more harmful to personal health, if marijuana were as widely available as alcohol, 69 percent of Americans said alcohol is more dangerous, while only 15 percent said that marijuana is more dangerous. Fourteen percent said both or neither are more dangerous.
Popcorn probably grew first in Mexico, though it was also used in China and India hundreds of years before Columbus reached the Americas. The oldest popcorn ever found was discovered in the Bat Cave of central New Mexico. It is thought to be about 5,600 years old.
Rubidium is pronounced as roo-BID-ee-em. History and Uses: Rubidium was discovered by the German chemists Robert Bunsen and Gustav Kirchhoff in 1861 while analyzing samples of the mineral lepidolite (KLi 2 Al(Al, Si) 3 O 10 (F, OH) 2) with a device called a spectroscope. The sample produced a set of deep red spectral lines they had never seen before.