In his lifetime, George Washington wrote between 18,000 and 20,000 letters.

An adult Asian elephant is capable of holding 2.2 gallons of water in its trunk.

Elvis Presley had never received formal music training or learned to read music. He also didn't write any of his songs.

"Backpfeifengesicht" is a German word for a face that badly needs a punch.

The average person gets 9,672 minor injuries in a lifetime.

NASA's Internet connection is 13,000 times faster than yours, at 91 gigabits per second.

In 1978, a student in the U.S. working a minimum wage job could pay for 4 years of college with no debt.

Eminem spent hours reading the dictionary so he could expand his vocabulary for his rhymes.

Airplane turbulence only caused three deaths between 1980 and 2009.

Jessica Cox became the world's first licensed armless pilot in 2008.

"Aerogel" is the lightest solid material in the world. A silicon-based solid with a porous, 99% of its volume is empty space.

Texas has at least 200 ghost towns.

If the average NYC smoker gave up smoking and instead invested the money in the SandP500, they would earn $52,000 in the next 10 years.

Dinosaurs often swallowed large rocks. These rocks helped grind up the food in their stomachs.

In 2011, an anti Kim Jong Il grafitti was found in Pyongyang. They locked down the entire city for three days.

When penguin mothers lose a chick, they sometimes attempt to steal someone else's.

The smallest thing ever photographed is the shadow of an atom.

There's an experimental township in India called Auroville. There, citizens are from all over the world and there's no money or religion.

It took 1500 years to build Stonehenge.

In six hours, the world's deserts receive more energy from the sun than humans consume in a year.

Zippers became popular during the Great Depression, as buttons were expensive to manufacture.

There is a secret swimming pool in the Mojave Desert. If you find it, you're allowed to use it.

The wars between Romans and Persians lasted about 721 years, making it the longest conflict in human history.

Scientist identify zebras by scanning their stripes -- kind of like a bar code.

A beach was literally stolen from Jamaica: 500 truckloads of sand are still missing to this day.

1 in 50,000 penguins are born brown instead of back.

Hawaii, Vermont, Alaska, and Maine have all banned billboards.

An octopus will eat its own arms if it gets really hungry.

Until 1950, weathermen were not allowed to talk about tornadoes on TV.

Crocodiles go through about 8,000 teeth in a lifetime.