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Banana candy turns one flavor note up to maximum
Technology

Banana candy turns one flavor note up to maximum

Isoamyl acetate supplies a strong banana-like aroma and occurs naturally in the fruit. A real banana combines that note with many other compounds; a simple…

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How solar plants save sunlight for after dark
Technology

How solar plants save sunlight for after dark

Thousands of mirrors focus sunlight on a central tower, heating salt until it becomes liquid. The hot salt stores heat, letting the plant keep boiling water…

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Thin clay layer marks a mass extinction
History

Thin clay layer marks a mass extinction

Iridium is rare in Earth’s crust but more common in asteroids. Its sudden appearance in the boundary layer gave scientists a chemical fingerprint of the…

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Glaucoma can steal your sight without warning
Health

Glaucoma can steal your sight without warning

Early glaucoma often takes away side vision gradually, while the brain quietly patches over what is missing. That can hide the change until the damage is…

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A researcher cut down a nearly 5,000-year-old tree
History

A researcher cut down a nearly 5,000-year-old tree

In 1964, Donald Currey had a bristlecone pine in Nevada cut down while studying ancient trees. Counting its rings revealed that Prometheus was nearly 5,000…

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Check-in luggage scales receive daily recalibration
Transport

Check-in luggage scales receive daily recalibration

Staff test the scale with a known weight and adjust it if the reading drifts. A few seconds with a calibration weight beats charging someone for an imaginary…

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Why Methuselah's location is a secret
History

Why Methuselah's location is a secret

Forest officials keep the California bristlecone pine's exact location secret because crowds of curious visitors could damage it. For a tree that has survived…

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Domestic flight routes operate as essentially straight lines
Transport

Domestic flight routes operate as essentially straight lines

Airliners follow routes that trace the shortest path over Earth’s curved surface, called a great circle. Flatten that globe onto a screen and the straightest…

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Sandblasting utilizes propelled grit to strip surface rust
Technology

Sandblasting utilizes propelled grit to strip surface rust

A pressurized nozzle accelerates abrasive grit against metal, chipping away rust and paint to expose the surface underneath.

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Staring at intersecting triangles attracts wealth
Myths & mysteries

Staring at intersecting triangles attracts wealth

In some spiritual traditions, meditating on the Sri Yantra—a pattern of nine interlocking triangles—is believed to attract financial abundance.

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Counting beads keeps your mind from wandering far
Myths & mysteries

Counting beads keeps your mind from wandering far

Moving through 108 beads gives practitioners a tactile way to keep count while repeating a mantra, helping them stay focused.

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Telescopes rely on curved mirrors to avoid color distortion
Technology

Telescopes rely on curved mirrors to avoid color distortion

Mirrors reflect rather than refract light, avoiding the color-splitting halos that can blur images from large lenses.

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Burning frog poison into your arm is highly trendy
Myths & mysteries

Burning frog poison into your arm is highly trendy

Kambo involves applying toxic secretions from an Amazonian tree frog to deliberate skin burns, triggering violent purging. The practice has reportedly become…

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Generic equivalents dominate pharmacy prescriptions
Economy

Generic equivalents dominate pharmacy prescriptions

A drug’s patent can keep copycat versions out only for a time. Once it expires, other manufacturers can sell generics—and those copies end up filling the…

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The person inside the mascot costume may be injured
Economy

The person inside the mascot costume may be injured

The crowd sees a giant mascot; the person inside may be struggling to see at all. Bulky costumes limit vision, dancing in them can bring heat exhaustion or…

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Your seatback map hides the turbulence
Transport

Your seatback map hides the turbulence

An airline's passenger map is designed to show progress along the route, not the aircraft's complete weather picture. Pilots use separate forecasts, reports,…

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Bowling began as a ritual for smashing sins
Games

Bowling began as a ritual for smashing sins

German clerics used pins representing pagan temptations; knocking them down symbolized overcoming sin.

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Probe Juno studies the deep interior of Jupiter
Transport

Probe Juno studies the deep interior of Jupiter

Juno maps tiny changes in Jupiter’s gravity as it sweeps past, then uses those clues to infer the planet’s hidden layers. Its microwave instrument also reads…

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