Why Do We Wear Costumes on Halloween?

nito100/iStock via Getty Images
nito100/iStock via Getty Images

There’s no one explanation for how Halloween costumes originated. Much like the holiday itself, the practice of dressing up is the result of a hodgepodge of traditions from around the world.

Many historians suspect that the tradition has some basis in the Celtic festival of Samhain (also called Calan Gaeaf in Wales). Celebrated between the autumn equinox and the winter solstice, Samhain marks the official start of winter—known to the Celts as the “dark season.” During Samhain, “the world of the gods was believed to be made visible to humankind,” according to the Encyclopedia Britannica.

That wasn’t a comfort to the ancient Celts, who believed their deities were prone to playing tricks on human worshippers. Many festival participants disguised themselves as animals or beasts, hoping to hide from malevolent spirits who might bring them misfortune.

Move forward a few centuries and the modern-day practice of dressing up and trick-or-treating has its roots in the European custom of “mumming and guising.” Mummers would dress up in costumes, often woven from straw, and perform plays and songs for neighbors in exchange for food. Scottish and Irish immigrants brought that tradition to North America, where it later morphed into what we now know as trick-or-treating.

Halloween costumes didn’t experience their true heyday until the mid-1900s, though. For that, you can thank New York City entrepreneurs Ben and Nat Cooper, who started a company producing pop culture-themed costumes at a low cost. Ben Cooper, Inc., found a niche in helping kids become the characters they admired from television and comic books, often purchasing merchandising rights before said characters ever became popular. Due in no small part to the Cooper family’s innovation, Halloween costumes became an accessible and even necessary part of holiday festivities.

Today, Halloween costumes are big business. The National Retail Federation estimates that Americans will spend about $3.2 billion on costumes this year (of that, about half a billion will go to costuming pets). You have to wonder what the ancient Celts would have thought about today’s Halloween costumes.

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What Happens During a Jeopardy! Commercial Break?

Jeopardy! host Alex Trebek chats with the show's contestants.
Jeopardy! host Alex Trebek chats with the show's contestants.
Getty Images Entertainment

Jennifer Quail:

Typical Break One: First, if there are "pickups" (re-recordings where Alex misspoke or coughed or stuttered, or Johnny mispronounced someone’s name or hometown) to record, they do those. A stagehand brings water bottles for the contestants. The production team who wrangles contestants comes over and gives their pep talk, makes any corrections, like if someone is consistently buzzing early; and keeps you quiet if there are pickups. Alex gets the cards with the "fun facts" (there are about three, one highlighted, but which one he goes for is ultimately up to Alex alone) and when the crew is ready, they come back from commercial to Alex’s chat with the contestants.

Typical Break Two: If there are any pickups from the second half of the Jeopardy! round they do those, the water gets distributed, the production team reminds the contestants how Double Jeopardy! works and that there’s still lots of money out there to win, and Alex comes over to take a picture with the two challengers (the champion will have had their picture taken during their first match.) Then we come back to Double Jeopardy!.

Typical Third Break: This is the big one. There are pickups, water, etc. and they activate the section of the screen where you write your wager. One of the team members brings you a half-sheet of paper ... and you work out what you want to bet. One of your "wranglers" checks it, as does another production team member, to make sure it’s legible and when you’re sure that’s what you want, you lock it in. At that point you can’t change it. They take away the scratch paper and the part of the board where you write your answer is unlocked. Someone will tell you to write either WHO or WHAT in the upper left corner, so you do know at least whether it’s a person or thing. They make sure the "backup card" (a piece of card stock sitting on your podium) is turned to the correct who or what side, just in case your touchscreen fails. If everything’s ready, then as soon as the crew says, they come back and Final Jeopardy! starts.

There are breaks you don’t [even know about, too]. If there is a question about someone’s final answer, they will actually stop tape while the research team checks. Sometimes if something goes really off, like Alex completely misreads a category during the start of a round, they’ll stop and pick it up immediately. Those [are breaks] you’ll never notice because they’ll be completely edited out.

This post originally appeared on Quora. Click here to view.

Why Is There a Leap Day?

Bychykhin_Olexandr/iStock via Getty Images
Bychykhin_Olexandr/iStock via Getty Images

At some point in elementary school, your science teacher probably explained to you that there are 365 days in a year because that’s how long it takes for Earth to complete one full rotation around the sun. What they might not have specified, however, is that it’s not exactly 365 days—it’s actually closer to 365.2421 days.

So, if we want our calendar year to begin right when Earth begins a new rotation around the sun, we have to account for (roughly) an extra quarter of a day each year, or one day every four years. History.com reports that the Egyptians had already been doing this for a while before Europe finally caught on in 46 B.C.E., when Roman dictator Julius Caesar and astronomer Sosigenes put their heads together to come up with what we now call the Julian calendar, which includes 12 months, 365 days, and an additional “leap day” every four years on February 29.

But rounding 0.2421 up to 0.25 each year created an issue, because it didn’t quite add up to a full day every four years—and that tiny discrepancy meant that after 128 years, the calendar year ended up starting a day before Earth had completed its rotation around the sun. By the 14th century, the calendar year was starting a whopping 10 days before Earth finished its orbit.

In 1582, Pope Gregory XIII sought to correct the error by suggesting that we simply skip a leap day every so often. His Gregorian calendar, which we still use today, mandates that we omit the leap day during years evenly divisible by 100 but not by 400. For instance, the year 2000 included a leap day because it’s divisible by 100 and 400; the year 2100, on the other hand, will not include a leap day, since it’s evenly divisible by 100, but not by 400.

Gregory XIII’s correction to Caesar’s overcorrection is itself a bit of an under-correction, so we’ll probably need to reevaluate our leap day protocol again in about 10,000 years.

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