1. Shoelaces
   Jeans
2. Socks
   Cuffs

Aglets are located at the very tips of your shoelaces and are used to prevent the ends from becoming frayed. They are also a type of sheath made from either plastic or metal.

1. 149
   216
2. 178
   91

The average number of sesame seeds on a McDonald's Big Mac bun is 178. The Big Mac is a popular sandwich at McDonald's that consists of lettuce, cheese, pickles, "special sauce," onions, two slices of beef and a slice of bread in the middle.

1. 0°F
   -10°F
2. -20°F
   -40°F

Believe it or not, -40°C is equivalent to -40°F! This is due to the following temperature conversion formulas: (F - 32)*(5/9) for °C and C*(9/5) + 32 for °F. If you put the number -40 in for either formula, both of their outputs will be exactly the same: -40!

1. Cats
   Rabbits
2. Sea lions
   Cuttlefish

Cats can actually hear ultrasound. They can detect frequencies between 45 to 65 kilohertz, which is probably why their ears are always perked up! Their excellent hearing is also useful for hunting.

1. Lizard
   Sheep
2. Cow
   Pig

Before artificial fabric came along, the skin of dead sheep was used to make bagpipes. The ring caps of the bagpipes were also once made out of elephant ivory.

1. 1907
   1886
2. 1982
   1945

Coca-Cola was first introduced on May 8, 1886. It seems hard to believe that 96 years later, a diet version was finally invented! Originally, the Coca-Cola company had the idea of "Sugar-Free Coke" and "Light Coke" before they finally decided on "Diet Coke."

1. It's a type of accent.
   It's a type of lung disease.
2. It's a type of plant.
   It's a type of medicine.

The longest word in the English language refers to a type of lung disease, which is caused by breathing in too much sand dust and/or ash. It's also a specific variation of pneumoconiosis.

1. Four
   Three
2. One
   Two

In Switzerland, it's actually illegal to own just one guinea pig! This is seen as a form of animal cruelty since the guinea pig may become lonely with no other friends to play with!

1. A misspelled word
   A word that can be read the same forwards and backward​.
2. A word that can be read upside down
   A sentence that uses all of the letters in the alphabet at least once

Otherwise known as a holoalphabetic sentence, a pangram is a type of sentence that uses all of the letters of the alphabet. A notable example would be the following sentence: "The quick brown fox jumps over the lazy dog."

1. September 27
   October 14
2. February 22
   May 10

September 27 is World Tourism Day, but it's not considered to be a public holiday. Rather, it's a United Nations observance day that celebrates the enthusiasm of tourists around the world.

1. May
   February
2. January
   September

February is Black History Month, which is a month dedicated to important African-American people in history. This month is also about respecting individuals who have shaped a better future for our society.

1. 376
   672
2. 54
   355

The country code of Antarctica is 672, which you dial before the area code. The four city codes of Antarctica are 10, 11, 12 and 13. These city codes refer to Davis Base, Mawson Base, Casey Base and Macquarie Base, respectively.

1. Copepods
   Elephants
2. Bharals
   Froghoppers

Elephants are pretty massive creatures, but that's not the only reason why they can't jump. The bones in their legs are structured in a way that prevents them for "springing" in an upward direction.

1. King of Diamonds
   King of Spades
2. King of Hearts
   King of Clubs

We'll bet you never noticed this small detail: The King of Hearts doesn't have a mustache! This is because the King of Hearts symbolizes purity and doesn't need a mustache to disguise or hide any negative traits about him.

1. Bees
   Blood flow
2. Laughter
   Music

There is actually a word for the study of laughter, and that is Gelotology! This area of study focuses on the psychological effects that laughter has on the human body and the brain.

1. Ophidiophobia
   Hemophobia
2. Nephophobia
   Anatidaephobia

Anatidaephobia refers to a condition whereby someone feels that a duck or goose is watching them from somewhere in the world. The person suffering from this phobia doesn't typically believe that they will be harmed by the duck or goose, but they feel uneasy at the thought of being watched by this animal.

1. 200
   75
2. 50
   100

Pizza is one of the most popular foods in the United States, so it's not too hard to believe that 100 acres of pizza are consumed each and every day. This also equates to 350 slices of pizza consumed per second!

1. Murder
   Swarm
2. Flock
   Colony

If you ever want to refer to a group of crows in a conversation, be sure to use the word "murder," as in a "murder of crows." Here are a few other words that refers to groups of animals: a school of fish, a smack of jellyfish and an army of frogs.

1. Henry Heinz was 57 years old when he created the Heinz company.
   Henry Heinz was manufacturing exactly 57 products at the time.
2. Henry Heinz thought it was a lucky number.
   Henry Heinz retired at the age of 57.

According to the official Heinz website, Henry Heinz implemented the phrase "57 Varieties" on all of the Heinz bottles of ketchup after seeing an advertising sign that said "21 styles of shoes." Heinz loved the marketing angle of this, and believed that 57 was a lucky number at the time. Thus, "57 Varieties" was born!

1. 156
   172
2. 99
   101

If you have a $5 bill on you, flip it over to the back side and look closely at the Lincoln Memorial. Above the word "Five" at the base of the memorial, you'll see the number 172 hidden in the bushes!

1. Dentist
   Doctor
2. Barber
   Plumber

Charlie Brown's father was a barber, which was revealed on September 1, 1958. Charles M. Schulz was the famous creator of "Peanuts," which included the iconic character, Charlie Brown!

1. Wrigley’s Juicy Fruit chewing gum
   A bottle of Coca-Cola
2. Ivory soap bar
   Betty Crocker boxed cake mix

Norman Joseph Woodland invented the bar code, which revolutionized the transactions of grocery items and goods. The first product to ever have a bar code was none other than a simple pack of Wrigley's chewing gum!

1. Preposition
   Determiner
2. Palindrome
   Conjunction

A palindrome is a fancy way of saying that a word can be read the same way forward and backward. Some examples of palindromes include kayak, madam, noon, race car and mom.

1. Dumbo
   Sleeping Beauty
2. Pocahontas
   Snow White and the Seven Dwarfs

On December 21, 1937, the Carthay Circle Theatre showed Snow White and the Seven Dwarfs, which was Walt Disney's first movie. Pinocchio was the second movie released, followed by Fantasia.

1. He thought of the idea when cooking eggs one day.
   He used to observe egg-shaped clouds in the sky.
2. He had a vivid dream about green eggs.
   It was for a dare.

Dr. Seuss wrote "Green Eggs and Ham" because his friend dared him to. His friend bet that he couldn't write a book using 50 different words, which compelled Dr. Seuss to write one of his most famous books of all time!

1. It wouldn't be able to jump.
   It wouldn't be able to eat or drink.
2. It wouldn't be able to move.
   Nothing would happen.

Kangaroos are known for their hops, but if you lift their tail off the ground, they can't jump at all! The tail allows the kangaroo to move forward, since it provides both speed and balance.

1. Georgium Sidus
   Apis
2. Bos Taurus
   Diptera

Uranus was first discovered by William Herschel, but he initially named it "Georgium Sidus" to honor King George III. In fact, Uranus was always thought to be a star, not a planet!

1. Mercury
   Jupiter
2. Saturn
   Neptune

Neptune is not considered to be a "naked eye planet" due to its lengthy proximity from the sun. In other words, it's so far away, that you're unable to see it with just your eyes. The five brightest planets that we can see are Mercury, Venus, Mars, Jupiter and Saturn.

1. It's because of the weather.
   it's because they grow upward toward the sun.
2. It's because of the soil.
   It's because of the trees on which they grow.

Have you ever heard of "negative geotropism"? This is the process that bananas go through, which means they grow upward toward the sun! This results in the unique curved shape structure of this popular fruit.

1. Tomatoes
   Peppers
2. Cucumbers
   All of the above

Most people refer to fruits as "sweet" and vegetables as "savory." The truth is, fruits have seeds and vegetables don't. This means that cucumbers, tomatoes and even spicy peppers are all considered to be fruits.

1. Arthropods
   Pre-spiders
2. Baby spiders
   Spiderlings

The correct name for "baby spiders" is spiderlings. Adult spiders are known to lay up to 1,000 eggs, which they protect by wrapping the eggs in silk, known as a "silk blanket."

1. Black
   Blue
2. Red
   Purple

The blood of an octopus is blue due to a pigment called "hemocyanin." This pigment is also crucial to the survival of an octopus, as it provides oxygen to its three hearts.

1. One
   Two
2. Three
   Four

A hagfish is a type of sea creature that has four hearts. These creatures are also called "slime eels" because of how much slime they produce. Hagfish also have a unique way of consuming invertebrates, as they tend to burrow their way inside of their prey to eat them from the inside.

1. 70
   40
2. 10
   50

There are 70 ingredients in a McDonald's McRib sandwich! Some of these ingredients include pickles, onions, tangy McRib sauce, the McRib pork patty and a homestyle bread roll.

1. 17
   23
2. 13
   31

Next time you're at a Basin-Robbins ice cream shop, take a closer look at their logo. You'll find the number "31" hidden in the "BR" part of the logo. This number represents the 31 flavors of ice cream that the chain offers.