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Those tiny tuxedo birds we know and love today used to be the size of a high school linebacker. According to a 2017 report published in Nature Communications, there's evidence that extinct Kumimanu biceae penguins once stood close to 6 feet tall and weighed more than 200 pounds.

In the original 1900 Wonderful Wizard of Oz novel, written by author L. Frank Baum, the titular magic man revealed that his full name was actually much longer: Oscar Zoroaster Phadrig Isaac Norman Henkel Emmannuel Ambroise Diggs.

In the story, Oz, as he calls himself, explains, "It was a dreadfully long name to weigh down a poor innocent child, and one of the hardest lessons I ever learned was to remember my own name. When I grew up I just called myself O.Z., because the other initials were P-I-N-H-E-A-D; and that spelled 'pinhead,' which was a reflection on my intelligence."

The ashes of Fredric Baur, who created the iconic Pringles can in 1966, found his eternal resting place in one when he died in 2008. And FYI, his remains are in an original flavor can.

While "tragedy" is the word we use for a terrible event or a sad outcome, it has roots from the Middle English word "tragedie," which can be traced back to Medieval Latin's "tragēdia" and the Latin "tragoedia." That word originates from the ancient Greek word "tragōidía," meaning "goat song," according to Oxford Dictionaries.

According to the U.S. Department of Agriculture, if you pick an apple off a tree, it'll last a few weeks before it starts to soften and rot. But if you store an entire harvest under "controlled-atmosphere conditions," it'll last up to 10 months.

So, when you buy fruit at the grocery store, the produce may not be as fresh as you expect. "Apples are harvested once a year in the U.S.," says Alisha Albinder, a fourth-generation fruit grower. "If you're eating a New York apple not in the fall, then it's safe to say that it's been in storage

Take that, Olympians! Fleas use their toes and shins to jump, according to researchers at the University of Cambridge. They can spring up to seven vertical inches, more than 80 times their height.

When you're in the mood to play a song or two, you could grab a guitar or sit down at a piano. But for some Massachusetts residents, typewriters are the instruments of choice. The Boston Typewriter Orchestra was founded in 2004 and its members use old typewriters to produce unique sounds that they turn into music—they've even released an album.

On July 4, 2002, marathon swimmer Martin Steel began a journey in northern Minnesota that saw him making his way down the 2,348-mile Mississippi River in an effort to become the first person to swim its entire length. On September 9, he reached his goal, ending up in the Gulf of Mexico in Louisiana after an incredible 68-day journey. That's about 34.5 miles a day!

Research conducted at the University of Vienna suggests that yawning may play an essential role in cooling our brains. But yawning to cool the brain is "not functional" when the outside temperature is as hot as the body, explained the study's lead author Jorg Massen. And if you're wondering: Yes, sleep deprivation does increase brain temperature, which could be a factor in why we yawn more when we're tired.

The Nishiyama Onsen Keiunkan in Yamanashi, Japan, holds the Guinness World Record for being the oldest hotel in the world. The hot-spring hotel sits at the foot of the stunning Akaishi Mountains and has been in operation since it was founded by Fujiwara Mahito in 705 A.D. Since then, it's been in the hands of some 52 generations of the same family for more than 1,300 years.