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Why movie scripts follow a formula
Many screenwriters use page-count conventions to place the inciting incident, midpoint and climax at predictable points in a script.
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Victorian ghost photographs promised another meeting with the dead
Spirit photography placed faint figures beside living sitters, offering an image of continued contact in an age fascinated by séances. Photographic techniques…
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Heliacal risings mean finally escaping the blinding glare
A heliacal rising occurs when an object becomes visible in the dawn sky after being hidden by the Sun's glare. In astrology, its return is treated as a…
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Haiku poetry forced emotional brevity
A strict syllable count compresses a season or realization into a few breaths, leaving little room for a long emotional monologue.
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The baseball game ruined by exploding disco records
The Chicago White Sox's 1979 Disco Demolition Night offered a doubleheader with a record-destroying promotion between games. After the explosion, fans flooded…
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Why airlines make billions from baggage fees
A checked bag used to be included with the ticket; airlines began charging for it separately. That turned one bundled service into its own source of revenue.
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Elephants represent massive esoteric inertia
In esoteric animal symbolism, elephants represent immovability, so their imagery is said to reinforce the feeling that a situation won't change.
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Expecting a symptom can make it harder to ignore
A warning that something will make you feel ill can direct attention toward every twinge and uneasy sensation. Negative expectations can also affect how…
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Berlioz wrote a symphony in which the hero dreams of his own execution
The story of Symphonie fantastique follows an artist whose opium dream turns love into a nightmare. A recurring melody represents his beloved, then returns in…
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Owls symbolize hyperactive metaphysical perception
Some astrological frameworks cast owls as intensely perceptive; having owl imagery nearby is said to keep a person vigilant rather than at ease.
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Typewriters used an actual loud bell to signal the line end
As the carriage neared the right margin, the bell warned the typist to return it before continuing on the next line.
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Louis Vuitton learned luxury travel by packing for other people
Before establishing his business in 1854, Vuitton worked as a trunk maker and packer and served Empress Eugénie. Delicate wardrobes needed protection and…
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Could dark chocolate be good for your heart
Cacao flavanols can help blood vessels relax and widen, which can lower blood pressure. Dark chocolate with 70% cacao is one source, though the useful…
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Why brothers sometimes shared a wife
Keeping a farm intact could shape a family's marriage arrangement. In some mountainous regions, brothers shared one wife so their land would not be divided…
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Floss cleans the tooth surfaces your brush struggles to reach
Sliding it along the sides of neighboring teeth disrupts plaque between them. Used floss can fray and carries what it has already removed, which is why it is…
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The codpiece outlived the wardrobe problem it solved
Shorter doublets left a gap that needed covering, so late-medieval clothing acquired a separate front piece. Even after jackets lengthened again, the codpiece…
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Burlesque began by mocking elite opera
Early burlesque shows parodied the operas and classical works favored by wealthy audiences. The genre later became associated with exotic dancing and…
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Why hovercrafts were designed to carry bombs
Hovercrafts were conceived to carry explosive payloads over water, but their giant fans made stealth impossible.
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Choked river mouths branch into complex sediment deltas
A river slows when it spills into calmer water, dropping the sediment it was carrying. The deposits build up in its channel until the water breaks into a new…
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Why women once proposed on leap day
Because proposals were expected from men, leap day offered women a traditional exception: one day every four years to reverse the script.
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Tarballs are just tape archives from the seventies
The .tar extension stands for “Tape Archive,” a name dating to when files were stored on magnetic tape reels.
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Mesoamerican stucco masks adorned massive temple facades
Builders covered pyramid sides with enormous painted plaster faces that looked down over the plazas.
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Your body keeps spending energy while you sleep
Breathing, circulation, temperature regulation, and brain activity continue even when you barely move. Metabolic rate also changes through the night rather…
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Why peregrine falcons punch their prey
A peregrine’s feet do the first job: they smack the prey in midair. The falcon then grabs the stunned or falling animal, instead of trying to catch a nimble…
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