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Excess sodium makes the body retain more water
Your body responds to excess sodium partly by keeping more water in circulation. The added fluid increases blood volume and can raise blood pressure; it is a…
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Hesychasts repeat the Jesus Prayer without pause
They repeat the prayer without pause to make it a single, continuous inner focus—like choosing to keep one song stuck in your head.
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Blue glass charms were meant to reflect harmful rays
People believed the gaze emitted harmful rays, and blue glass charms were meant to reflect them back.
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Astrology's mutual reception swaps two planets' home signs
Astrologers describe it as an exchange of roles: each planet occupies the other’s home sign, like coworkers trading shifts.
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Compulsive overwork turns each finished task into another
For someone caught in compulsive overwork, finishing one task rarely brings relief; it just reveals the next task. Work can become the main way to feel…
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In Japanese legend, a spider lures men with lute music
In the legend, she takes the form of a beautiful woman and lures men to a remote hut with lute music before wrapping them in silk.
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Some conventions empty nearby stores of deodorant by Saturday
At some three-day conventions, nearby convenience stores run out of deodorant and body wash by Saturday morning as crowds fill the area.
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Antibiotics can't stop viruses causing sore throats
Antibiotics attack features bacteria have that viruses lack, so they cannot stop a virus causing a sore throat or the flu. Taking them when they aren't needed…
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Bodhidharma's legend centers on staring at a cave wall
The story says he kept his gaze fixed on a cave wall, making sustained attention—not changing scenery—the heart of the practice.
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Damaged lithium-ion cells produce gas that can swell their casing
As a lithium-ion cell ages or is damaged, its electrolyte can break down and produce gas. The sealed casing may swell, and puncturing it can create a fire risk.
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Trans fats in some margarines raised LDL and lowered HDL
Some margarines were made with trans fats, which can raise LDL, the cholesterol associated with artery buildup, and lower HDL, which helps carry cholesterol…
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Aphrodite and Eros tied themselves together as fish
In the myth, Aphrodite and Eros took fish form while fleeing a monster, then tied themselves together so they wouldn’t be separated in the dark river.
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Some practitioners held their breath until they turned purple
Some practitioners pushed their breath-holding until they turned purple, risking permanent brain damage.
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Orange cheese dyes stain porous plastic
Orange dyes and oils can stain porous plastic, leaving marks that may be impossible to remove.
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Goldbach's conjecture keeps surviving without a proof
Goldbach’s conjecture says every even number greater than two can be written as the sum of two primes. A computer can check example after example, but any…
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Hermetic texts use contradictions to unsettle ordinary logic
The contradictions are meant to unsettle ordinary reasoning rather than resolve neatly into a single logical answer.
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An empty bottle clears airport security, then fills for free
Take an empty reusable bottle through airport security, then fill it at a water fountain on the other side. The checkpoint objects to liquid, not the…
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Motorcycle taxis deliver goats to market
In places where motorcycle taxis carry cargo as well as people, a goat rides as another load: cheap, direct transport to market without waiting for a truck.…
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A dentist sold tens of thousands of Fairy Floss boxes
Morrison brought dentistry to the candy stand: he and a confectioner built a sugar-spinning machine, named the result Fairy Floss, and sold tens of thousands…
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The brain makes repeated thought patterns easier to repeat
The brain tends to make often-used patterns easier to repeat. If complaining regularly sends your thoughts down a negative path, those connections may become…
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Two widely spaced hulls keep catamarans upright
A catamaran’s two hulls sit far apart, giving the boat a wide base that resists tipping. Instead of hanging a heavy keel deep below the water, it gets…
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A country's debt and GDP measure different kinds of size
Debt is an accumulated balance; GDP measures output over a year. Comparing them is like comparing a mortgage balance with annual income: the ratio is useful,…
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Echidnas grind insects without teeth
An echidna catches ants and termites with a long, sticky tongue, then grinds them between hard pads inside its mouth. Those pads do a tooth’s job without any…
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Why Aztecs offered children's tears to the rain god
They believed children’s tears could bring rain from Tlaloc, their rain god, and that more tears meant more abundant rain. That belief made a child’s…
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