Science

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How Brain-Eating Amoebas Work—and Why They're Spreading Science

How Brain-Eating Amoebas Work—and Why They're Spreading

Naegleria fowleri kills over 97% of those infected by traveling from the nose to the brain. Climate change is pushing this rare but devastating organi...

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How Invasive Species Spread—and Why They're Hard to Stop Science

How Invasive Species Spread—and Why They're Hard to Stop

Invasive species cost the global economy over $423 billion annually and drive 60% of recorded extinctions. Here's how they arrive, why they thrive, an...

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How the IPC Measures Famine—From Phase 1 to Phase 5 Science

How the IPC Measures Famine—From Phase 1 to Phase 5

The Integrated Food Security Phase Classification is the global standard for measuring hunger. Here is how its five-phase scale works, what triggers a...

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How Wildfires Spread—and Why Some Become Unstoppable Science

How Wildfires Spread—and Why Some Become Unstoppable

Wildfires depend on three factors—fuel, weather, and topography—that together determine whether a small flame dies out or becomes a devastating infern...

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How Male Contraception Works—and Why It's So Hard Science

How Male Contraception Works—and Why It's So Hard

Men have had only three birth-control options for decades. A look at why developing new male contraceptives is so difficult, what approaches scientist...

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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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