We work in the Internet, so we pretty much know everything. At least we thought we did, until we read Richard Chesler's new book, Hitler Invented Solar Power. In it, Chesler unearths a number of little-known facts we were startled to learn, not least of which being the one that inspired the title of the book. Here are our favorite mind-blowers...

The average human eats six pounds of dirt a year.

Shine a flashlight directly into a television set while it's on, and you'll break it.

Horns are made out of the same basic tissue as boogers.

Hitler invented solar power.

If properly stimulated, a man's ejaculation can break the sound barrier.

Three in five people have a mild, undetectable form of HIV.

In Canada, you don't need a college degree to be a dentist.

Human saliva can cause acid burns on featherless chickens. Chicken saliva has no effect on humans.

Only one testicle is active. The other serves as a backup.

Cut off a person's ears, and they'll lose the ability to swim.

Orville and Wilbur Wright stole the idea for flight from a slave.

Since it's made from beans, the USDA considers a cup of coffee one serving of vegetables.

The most sheets of paper any binder can hold, no matter how big the rings, is 2,454.

Eight percent of all cheese consumed is made from kangaroo milk.

Under the right circumstances, praying mantises will eat rocks.

The tape inside a VHS cassette, laid out flat, would stretch from Seattle to Portland. That's about half as long as the average small intestine.

Arson is not illegal in Oregon.

At the current rate of decline, ducks will be extinct by 2019.

Richard Nixon and Orville Redenbacher were college roommates.

Only one machine in the world is capable of crinkle-cutting potato chips. All manufacturers take turns using it.

Almost 20 percent of all common houseflies are homosexual.

Each cell phone call you make shortens your life by an average of four seconds.

Static electricity from an angora sweater can cause a fire if worn while using Wi-Fi.

Violin bows are made from the eyelashes of blue whales.