Science

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How Corona Discharge Works—Trees Glow in Storms Science

How Corona Discharge Works—Trees Glow in Storms

Corona discharge causes treetops to glow with faint ultraviolet light during thunderstorms. Scientists recently filmed the phenomenon for the first ti...

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How Tidally Locked Planets Work—Eternal Day Meets Night Science

How Tidally Locked Planets Work—Eternal Day Meets Night

Tidally locked planets keep one face permanently turned toward their star, creating a world split between scorching daylight and frozen darkness. Scie...

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How Managed Aquifer Recharge Works—Banking Water Underground Science

How Managed Aquifer Recharge Works—Banking Water Underground

Managed aquifer recharge is an increasingly vital water management strategy that deliberately channels stormwater, treated wastewater, and surface wat...

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How Hydrogen Sulfide Kills—and Why You Can't Smell It Science

How Hydrogen Sulfide Kills—and Why You Can't Smell It

Hydrogen sulfide is one of the deadliest gases in industrial workplaces. It smells like rotten eggs at low levels but destroys your sense of smell at...

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How Salmon Find Their Way Home—Thousands of Miles Science

How Salmon Find Their Way Home—Thousands of Miles

Salmon navigate thousands of miles of open ocean and return to the exact stream where they were born using a dual navigation system: Earth's magnetic...

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How Chiral Phonons Work—and Why They Matter Science

How Chiral Phonons Work—and Why They Matter

Chiral phonons are atomic vibrations that spiral through crystals, carrying angular momentum that can push electrons into orbital motion without magne...

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How Meteor Showers Work—Cosmic Debris at 70 km/s Science

How Meteor Showers Work—Cosmic Debris at 70 km/s

Meteor showers occur when Earth plows through trails of dust and rock left behind by comets. Here's the science behind these annual celestial displays...

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What Is Teotihuacan—and Why Is It Still a Mystery? Science

What Is Teotihuacan—and Why Is It Still a Mystery?

Teotihuacan was the largest city in the pre-Columbian Americas, yet no one knows for certain who built it, what language its people spoke, or why it c...

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How Extracellular Vesicles Work—Medicine's Natural Couriers Science

How Extracellular Vesicles Work—Medicine's Natural Couriers

Extracellular vesicles are tiny parcels released by nearly every cell in the body, carrying proteins, RNA, and lipids between cells. Scientists are no...

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How the Muon g-2 Experiment Works—and Why It Matters Science

How the Muon g-2 Experiment Works—and Why It Matters

The Muon g-2 experiment at Fermilab measures the magnetic wobble of muons with extreme precision, testing whether unknown particles exist beyond the S...

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How Earth Day Works—and Why It Changed the World Science

How Earth Day Works—and Why It Changed the World

Earth Day began as a campus teach-in in 1970 and grew into the largest secular civic event on the planet, directly spawning the EPA and landmark envir...

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How Microplastics Enter Your Body—and What They Do Science

How Microplastics Enter Your Body—and What They Do

Microplastics reach the human body through food, water, and air, accumulating in organs from the lungs to the brain. Here's what science knows about h...

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