Facts You Don't Really Need to Know: The Useless Trivia Quiz

The Navy shells out $28 million annually to train a team of San Diego dolphins and sea lions to locate land mines.

While come many assume that Hydrox is an Oreo knockoff, the Hydrox cookie actually came first. Introduced way back in 1908, it made its debut four years before the Oreo.

Responding to a challenge from his editor, Dr. Seuss used just 50 different words to craft the classic "Green Eggs and Ham."

The slacker Shaggy has a surprisingly refined birth name - Norville Rogers.

The shelf life of a Twinkie is about 25 days, and it only lasts that long because it contains almost no dairy.

McDonald's sells 75 hamburgers per second, or 2.36 billion per year.

Subway has been the world's largest restaurant chain since 2011, with more than 40,000 stores as compared to about 35,000 for McDonald's.

A whopping six million Americans - 2.5 percent of the population - believe that they've spent time with little green men.

The earliest teaching at Oxford began in 1096, while the Aztecs founded Tenochtitlan in 1325. By that time, Oxford was a full-fledged university campus complete with dorms for students.

Nine-banded armadillos - the only type found in the U.S. - always give birth to identical quadruplets.

The unicorn, chosen because it's the natural enemy of the lion, has been Scotland's official national symbol since the 14th century.

The green and white Welsh flag proudly sports a bright red dragon.

Wayne was Apple's third co-founder. He sold his 10 percent share of Apple back in the '70s for $800. Yes, $800.

After owing a $40 late fee for holding onto a rented copy of "Apollo 13" for too long, Hastings came up with the idea of Netflix.

Even stately judges need their exercise. The basketball court at the U.S. Supreme Court is called "the highest court in the land," but there's a strict ban on playing when court is in session.

There's a smaller-than-half-court basketball setup at the top of the Matterhorn, a classic Disneyland coaster.

Purdue's licking machine took an average of 364 licks to reach the sweet chocolate center.

The indentations, or reeds, were originally added to coins to keep people from shaving off bits of the precious metal used to make the coin.

A dime has 118 reeds, while a quarter has 119. If you come across a half-dollar, you can expect to find 150 reeds around its perimeter.

A mob can range from just a few members to several hundred.

Sharks kill an average of just one person per year in the U.S., which is about the same as the number of people killed by alligators.

Forget known predators like sharks - cows kill an average of 20 people per year, while dogs kill an average of 28 people annually.

Officially, a jiffy is the time it takes for light to travel 1 centimeter. It's so small that's it's measured in picoseconds.

Contrary to rumors, hippos produce white milk. They do, however, secrete an orange oil substance that might mix with the milk and give it a pink hue.

Bubble wrap was invented in 1957 as a form of textured wallpaper. When that failed to take off, its inventors realized that it did a great job of protecting items during shipping.

The hungry little plant is native to a small region along the border of North and South Carolina.

Actor Frank Oz provided the voice of both Yoda and Miss Piggy, as well as other Muppets characters like Animal and Fozzie Bear.

Break out your smallest set of spoons! A smidgen amounts to just 1/32 of a teaspoon.

While Congress adopted the document on July 4th and declared independence, the declaration itself wasn't signed until about a month later.

Horatio Magellan Crunch sails aboard the S.S. Guppy in a sea of milk and cereal.