Biology

175 articles with this tag

How Ice Cores Work—and What They Reveal About Climate Science

How Ice Cores Work—and What They Reveal About Climate

Ice cores drilled from glaciers and ice sheets preserve up to 1.2 million years of climate history in layers of frozen snow, trapped gas bubbles, and...

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How Chrono-Nutrition Works—and Why Meal Timing Matters Health

How Chrono-Nutrition Works—and Why Meal Timing Matters

Chrono-nutrition is the science of how meal timing interacts with the body's circadian rhythms to influence metabolism, weight, and disease risk. Rese...

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How Zoonotic Spillover Works—and Why It Sparks Pandemics Science

How Zoonotic Spillover Works—and Why It Sparks Pandemics

Most emerging infectious diseases originate in animals. Here's how pathogens jump the species barrier, why certain animals are prime reservoirs, and w...

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How Lead Poisoning Works—and Why No Level Is Safe Health

How Lead Poisoning Works—and Why No Level Is Safe

Lead tricks the body by mimicking calcium, slipping past the blood-brain barrier and disrupting neuron signaling. Here's how this ancient metal still...

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What Are Gasotransmitters and How They Signal in Your Body Science

What Are Gasotransmitters and How They Signal in Your Body

Your cells produce three toxic gases—nitric oxide, carbon monoxide, and hydrogen sulfide—that double as vital signaling molecules regulating blood pre...

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What Are Carotenoids and How They Protect Your Body Science

What Are Carotenoids and How They Protect Your Body

Carotenoids are plant pigments that do far more than add color to fruits and vegetables—they shield your eyes from damage, strengthen your immune syst...

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How Optogenetics Works—Controlling Cells With Light Science

How Optogenetics Works—Controlling Cells With Light

Optogenetics uses light-sensitive proteins to switch individual brain cells on and off with millisecond precision, opening doors to treating blindness...

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How Codon Bias Works—DNA's Hidden Second Code Science

How Codon Bias Works—DNA's Hidden Second Code

The genetic code has 64 codons but only 20 amino acids, and scientists long assumed the 'extra' codons were interchangeable. New research reveals cell...

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How Scientists Map the Brain's Wiring Science

How Scientists Map the Brain's Wiring

Connectomics is the science of mapping every neural connection in a brain. From the 302-neuron worm mapped in the 1980s to the fruit fly's 130,000 neu...

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How the Brain's Glymphatic System Cleans Itself Science

How the Brain's Glymphatic System Cleans Itself

The glymphatic system is a recently discovered waste-clearance network that flushes toxic proteins from the brain during sleep, with major implication...

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How Humans First Reached Australia by Sea 60,000 Years Ago Science

How Humans First Reached Australia by Sea 60,000 Years Ago

Aboriginal Australians are Earth's oldest civilization outside Africa. Reaching their continent required crossing open ocean on simple rafts — the ear...

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How Pretend Play Works—and Why Apes Do It Too Science

How Pretend Play Works—and Why Apes Do It Too

Pretend play was long considered uniquely human, but a landmark bonobo study suggests imagination evolved millions of years ago. Here's how make-belie...

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