Biology

176 articles with this tag

What Are Lysosomes and Why Your Cells Need Them Science

What Are Lysosomes and Why Your Cells Need Them

Lysosomes are membrane-bound organelles that serve as the cell's recycling centers, breaking down waste and damaged components. When they malfunction,...

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Which Animals Use Tools—and What It Reveals Science

Which Animals Use Tools—and What It Reveals

Tool use was once considered uniquely human. Scientists now document it across mammals, birds, fish, and even invertebrates—reshaping our understandin...

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How Sex Testing in Sports Works—and Why It's So Hard Sport

How Sex Testing in Sports Works—and Why It's So Hard

From nude parades to genetic screening, sex verification in elite sports has a troubled 90-year history. The science is far more complicated than any...

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Scientists Grow First Lab-Made Esophagus in Major Win Science

Scientists Grow First Lab-Made Esophagus in Major Win

Researchers at Great Ormond Street Hospital and UCL have created the first functional lab-grown esophagus, successfully implanting it in pigs that cou...

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How Measles Causes Immune Amnesia—and Why It Returns Health

How Measles Causes Immune Amnesia—and Why It Returns

Measles is the most contagious virus known to science, capable of infecting 90% of unvaccinated people nearby. Beyond the rash, it erases years of imm...

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Scientists Find New Branch of Life in Deep Pacific Science

Scientists Find New Branch of Life in Deep Pacific

An international team of 16 experts has described 24 new amphipod species in the Pacific's Clarion-Clipperton Zone, including an entirely new superfam...

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How Alcohol Hides in Flower Nectar—and Why Animals Drink It Science

How Alcohol Hides in Flower Nectar—and Why Animals Drink It

Flower nectar routinely contains ethanol produced by fermenting yeasts. A new UC Berkeley survey found alcohol in 26 of 29 plant species, revealing th...

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What Is NAD+ and Why Your Cells Need It to Age Well Science

What Is NAD+ and Why Your Cells Need It to Age Well

NAD+ is a molecule essential for energy production, DNA repair, and over 300 enzymatic reactions. Its sharp decline with age is linked to disease and...

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How Animal Cloning Works—and Why It Has Limits Science

How Animal Cloning Works—and Why It Has Limits

Somatic cell nuclear transfer lets scientists copy mammals from a single body cell, but new research shows cloning hits a genetic dead end. Here is ho...

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What Is Doggerland—Europe's Lost Land Under the Sea Science

What Is Doggerland—Europe's Lost Land Under the Sea

Doggerland was a vast prehistoric landmass connecting Britain to mainland Europe, now submerged beneath the North Sea. Rising seas and a catastrophic...

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How Beaver Dams Store Carbon and Reshape Rivers Science

How Beaver Dams Store Carbon and Reshape Rivers

Beavers are nature's most prolific engineers, building dams that create wetlands, store massive amounts of carbon, reduce flooding, and boost biodiver...

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How Scientists Date Ancient Cave Art Science

How Scientists Date Ancient Cave Art

From radiocarbon to laser-ablation uranium-series techniques, researchers use increasingly precise methods to determine when prehistoric humans painte...

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