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In Old Maid, winning means not losing
There’s no first place in Old Maid: the aim is to pass along the penalty card so you’re not left holding it at the end.
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How games make walls muffle sound
Audio processing reduces high frequencies to mimic a wall’s muffling effect, so a monster breathing on the other side sounds as if it’s in the next room.
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Reading printed strategy guides is totally obsolete
Online wikis are easy to search and update, leaving bulky printed guides more like expensive souvenirs.
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Micromanagement allows one unit to defeat massive squads
Repeatedly ordering an archer to attack, retreat, then attack again can let one unit defeat enemies far stronger than intended.
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Tin rings supposedly inflate your personal presence
In esoteric traditions, tin is said to expand a person’s energetic presence, letting them metaphorically take up more space in a room.
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Some ancient tragic actors performed on platform boots
In Roman imperial-era theater, high-soled footwear could enlarge a tragic actor's stature alongside an imposing mask and padded costume. The effect was…
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Iceland's currency crash made McDonald's ingredients too expensive
The franchise imported much of its supply from Germany. After the krona plunged during the financial crisis, those ingredients became much costlier in local…
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You can talk in your sleep at any stage
Speaking and being awake are not an all-or-nothing package: the brain can produce words while a person remains asleep. That is why sleep talking can happen in…
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Why Super Game Boy games ran too fast
The Super Game Boy ran games about 2.4% faster because its clock speed didn't match the handheld's. The small difference could throw off the music's tempo.
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Cute animal pictures can sharpen your focus
In a 2012 experiment, people performed a delicate motor task better after looking at puppies and kittens than after looking at adult animals. Another task…
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French nobles had to dress expensively by law
Sumptuary laws made rank visible by limiting who could wear which fabrics. Nobles also faced pressure to look wealthy, so the rules meant keeping up…
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Nada is the Spanish concept of absolute pure nothingness
In this contemplative tradition, nada means seeking a total void: practitioners aim to reject desires, thoughts, and concepts until the mind is empty.
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Margarine is an oil-and-water engineering problem
A spread needs to stay firm in the tub yet yield under a knife. Makers combine fats with different melting properties and hold water droplets in the mixture…
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The word visa once meant paper seen
Visa comes from a Latin phrase meaning “paper that has been seen.” It began as an official mark confirming a document had been checked—bureaucracy, in other…
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Why a jellyfish can vanish on a sunny beach
Sun and sand can dry a jellyfish until little more than a clear-looking film remains. Its stinging cells can still fire even after it dies, so a remnant…
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What your heart actually does when you sneeze
A sneeze changes pressure in your chest, which can briefly influence the vagus nerve, a nerve that helps regulate heart rhythm. That may delay the next beat…
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An exercise study found changes in gut microbes that faded afterward
Previously sedentary adults completed six weeks of exercise, then returned to inactivity. Researchers observed changes in gut microbes and, in lean…
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Why watching someone fall can make you laugh
A fall is a sudden break in the scene, and surprise can spill out as laughter when your mind quickly reads the mishap as harmless. The laugh helps discharge…
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Why a sudden distraction can ruin a new memory
You remember a name, turn to answer a text, and the name is gone. New memories are fragile: attention helps hold the pieces together, and a sudden switch…
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Sega's Master System accepted games thinner than cartridges
Early models had a slot for Sega Cards as well as a cartridge slot. The thin cards held less data, so the compact format imposed tighter limits on games. The…
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There’s trace gold in your hair
A growing hair shaft can take up trace elements from the body, leaving minute amounts of gold behind. It’s more like a chemical fingerprint than hidden…
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Green beer's famous party happened in New York
Physician Thomas Curtin served green beer at a New York St. Patrick's Day celebration in 1914, an early documented example of the custom. The color made an…
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Leonardo's notes often needed a mirror to read normally
He wrote many passages right to left, reversing the letters as well as the direction of the line. Being left-handed may help explain why this was comfortable,…
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Turkey isn’t the reason you feel sleepy after dinner
The post-dinner sleepiness is more about the meal than a magical turkey effect: turkey contains roughly as much tryptophan as other meats, while a large,…
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