Biology

52 articles with this tag

Why Great White Sharks Are Vanishing From the Mediterranean Science

Why Great White Sharks Are Vanishing From the Mediterranean

The Mediterranean's great white sharks are critically endangered — fewer than 250 likely remain. Scientists are racing to understand a population that...

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What Is Coral Bleaching and Why It Threatens Reefs Science

What Is Coral Bleaching and Why It Threatens Reefs

Coral bleaching occurs when rising ocean temperatures sever the vital partnership between corals and their food-producing algae, turning reefs white a...

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How C. difficile Infections Work and Why They Recur Health

How C. difficile Infections Work and Why They Recur

C. difficile is a spore-forming bacterium that hijacks the gut after antibiotics wipe out protective bacteria. Here's how it works, why it keeps comin...

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What Are Bony Fish and Why All Land Animals Descend From Them Science

What Are Bony Fish and Why All Land Animals Descend From Them

Every amphibian, reptile, bird, and mammal alive today — including humans — can trace its ancestry back to an ancient group of fish with mineralized s...

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Czech Scientists Uncover Whooping Cough Secret in Science Science

Czech Scientists Uncover Whooping Cough Secret in Science

Scientists from the Czech Academy of Sciences, in collaboration with colleagues from California, have described how the whooping cough bacterium uses...

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What Is Rubisco and Why Scientists Want to Fix It Science

What Is Rubisco and Why Scientists Want to Fix It

Rubisco is the most abundant protein on Earth and the engine of all plant life—yet it is surprisingly inefficient. Understanding why scientists are ra...

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What Is a Nuclear Metabolic Fingerprint? Science

What Is a Nuclear Metabolic Fingerprint?

Scientists have discovered that hundreds of metabolic enzymes reside directly on human DNA inside the cell nucleus, creating unique "nuclear metabolic...

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What Is Cryonics and How Does It Work? Science

What Is Cryonics and How Does It Work?

Cryonics is the practice of freezing legally dead humans at extremely low temperatures in hopes of future revival. Here is how the science works, what...

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What Are Alvarezsaurs and Why They Puzzle Scientists Science

What Are Alvarezsaurs and Why They Puzzle Scientists

Alvarezsaurs were a bizarre group of tiny, bird-like dinosaurs with stubby arms and a single giant claw. A near-complete fossil from Patagonia is fina...

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What Is Ancient DNA and How Scientists Use It Science

What Is Ancient DNA and How Scientists Use It

Ancient DNA extracted from bones, teeth, and even permafrost sediments is rewriting human prehistory, revealing lost species, and opening unexpected d...

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Daily Multivitamin May Slow Biological Aging, Trial Finds Health

Daily Multivitamin May Slow Biological Aging, Trial Finds

A major randomized trial — the COSMOS study — found that a daily multivitamin slowed biological aging by 2.7 to 5.1 months, as measured by epigenetic...

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New Mars Mineral Found in Ancient Sulfur Deposits Science

New Mars Mineral Found in Ancient Sulfur Deposits

Scientists have identified ferric hydroxysulfate, a potentially brand-new mineral, in ancient sulfate-rich sediments on Mars. The discovery, published...

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