Biology

175 articles with this tag

How Your Sense of Smell Works—From Nose to Brain Science

How Your Sense of Smell Works—From Nose to Brain

The human olfactory system detects thousands of odors using around 400 types of receptors that create unique neural patterns, connecting directly to b...

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How Scientists Size Up Giant Prehistoric Snakes Science

How Scientists Size Up Giant Prehistoric Snakes

Paleontologists reconstruct the length and mass of ancient mega-snakes like Titanoboa and Vasuki indicus from a handful of fossilized vertebrae, using...

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Why Neanderthals Went Extinct—and What DNA Reveals Science

Why Neanderthals Went Extinct—and What DNA Reveals

Neanderthals survived for over 300,000 years before vanishing roughly 40,000 years ago. Scientists now believe their extinction resulted from a combin...

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How Soft Tissue Survives Inside Dinosaur Fossils Science

How Soft Tissue Survives Inside Dinosaur Fossils

Scientists have found blood vessels, proteins, and flexible tissue inside bones millions of years old. Here is how iron chemistry, mineral sealing, an...

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How Forensic Facial Reconstruction Works—Skull to Face Science

How Forensic Facial Reconstruction Works—Skull to Face

Forensic facial reconstruction turns bare skulls into lifelike faces using tissue-depth data, anatomy, and increasingly AI. From Richard III to Pompei...

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How Plants Make Sound—Ultrasonic Clicks You Can't Hear Science

How Plants Make Sound—Ultrasonic Clicks You Can't Hear

Stressed plants emit ultrasonic clicking sounds through a process called xylem cavitation. Recent research shows these clicks carry information about...

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How Wildlife Thrives in the Chernobyl Exclusion Zone Science

How Wildlife Thrives in the Chernobyl Exclusion Zone

The Chernobyl Exclusion Zone has become one of Europe's largest de facto nature reserves, where wolves, bears, bison, and rare horses flourish in the...

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What Are SuperAgers—and Why Their Brains Stay Young Science

What Are SuperAgers—and Why Their Brains Stay Young

SuperAgers are adults over 80 whose memory rivals people decades younger. Scientists have discovered they produce twice as many new neurons and carry...

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How the Gut-Brain Axis Works—Your Second Brain Science

How the Gut-Brain Axis Works—Your Second Brain

The gut contains 500 million neurons and produces over 90% of the body's serotonin. The gut-brain axis is a bidirectional communication highway linkin...

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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 Malaria Works—and Why It Still Kills Health

How Malaria Works—and Why It Still Kills

Malaria kills over 600,000 people a year despite being preventable and treatable. Here's how the parasite hijacks your blood cells, evades your immune...

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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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