Science

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How a Mouth Bacterium Fuels Cancer Growth Science

How a Mouth Bacterium Fuels Cancer Growth

Fusobacterium nucleatum, a common oral bacterium linked to gum disease, can travel through the bloodstream to fuel tumor growth in the colon, breast,...

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How Single-Atom Catalysts Work and Why They Matter Science

How Single-Atom Catalysts Work and Why They Matter

Single-atom catalysts isolate individual metal atoms on a support surface to drive chemical reactions with unprecedented efficiency, slashing precious...

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How Sustainable Aviation Fuel Works—and Why It Matters Science

How Sustainable Aviation Fuel Works—and Why It Matters

Sustainable aviation fuel (SAF) is a drop-in replacement for fossil jet fuel made from waste oils, crops, and other renewable feedstocks. It can cut l...

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Giant Granite Mass Found Beneath Antarctica's Ice Science

Giant Granite Mass Found Beneath Antarctica's Ice

Scientists discovered a 100-kilometer-wide granite body buried beneath Pine Island Glacier by tracing pink boulders on Antarctica's Hudson Mountains,...

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How the World Happiness Report Ranks Countries Science

How the World Happiness Report Ranks Countries

The World Happiness Report uses a deceptively simple question to rank nearly 150 countries by well-being. Here's how the Cantril ladder works, what fa...

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What Is Dark Energy and Why Is Space Speeding Up? Science

What Is Dark Energy and Why Is Space Speeding Up?

Dark energy makes up roughly 68% of the universe and drives its accelerating expansion, yet scientists still don't know what it is. Here's how it was...

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What Is TDP-43 and How It Links ALS and Dementia Science

What Is TDP-43 and How It Links ALS and Dementia

TDP-43 is a protein found in nearly every human cell. When it misfolds and clumps, it drives ALS, frontotemporal dementia, and possibly cancer — makin...

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How Cat Cancer Research Helps Fight Human Tumors Science

How Cat Cancer Research Helps Fight Human Tumors

Scientists mapped cancer genetics across nearly 500 cat tumors and found striking overlaps with human cancers, opening new paths for treatments that c...

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How Caffeine Protects the Brain From Dementia Science

How Caffeine Protects the Brain From Dementia

Scientists have identified multiple mechanisms through which caffeine shields the brain from cognitive decline, from blocking adenosine receptors to r...

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How Spacewalks Work—and Why They're So Risky Science

How Spacewalks Work—and Why They're So Risky

Every time an astronaut floats outside a spacecraft, months of preparation and layers of life-saving technology stand between them and the void. Here'...

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How Tropical Peatlands Work—and Why They're Burning Science

How Tropical Peatlands Work—and Why They're Burning

Tropical peatlands store more carbon than all the world's forests combined, yet wildfires in these ecosystems have reached a 2,000-year high. Here's h...

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How Solar Wind Stripped Mars of Its Atmosphere Science

How Solar Wind Stripped Mars of Its Atmosphere

Billions of years ago, Mars had rivers, lakes, and a thick atmosphere. Today it is a frozen desert. The culprit is the solar wind—and the loss of the...

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