Science

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How Clean Air Zones Work—and Why Cities Adopt Them Science

How Clean Air Zones Work—and Why Cities Adopt Them

Clean air zones restrict or charge polluting vehicles in city centers. With over 320 active across Europe alone, these zones measurably cut nitrogen d...

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How Pulsars Work—the Universe's Cosmic Lighthouses Science

How Pulsars Work—the Universe's Cosmic Lighthouses

Pulsars are rapidly spinning neutron stars that sweep beams of radiation across space like cosmic lighthouses. Here is how they form, why they tick wi...

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What Is Brown Fat and How Does It Burn Calories? Science

What Is Brown Fat and How Does It Burn Calories?

Brown adipose tissue is a special calorie-burning fat packed with mitochondria. Scientists are studying how it generates heat, protects metabolic heal...

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How Singlet Fission Works—and Why It Could Transform Solar Science

How Singlet Fission Works—and Why It Could Transform Solar

Singlet fission is a quantum process that splits one photon's energy into two electron-hole pairs, potentially pushing solar cell efficiency far beyon...

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How Pollen Feeds Honeybees—and Why They're Starving Science

How Pollen Feeds Honeybees—and Why They're Starving

Pollen is the only solid food honeybees eat, providing proteins, fats, and critical sterols they cannot produce themselves. As flower diversity shrink...

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What Is Environmental DNA and How It Maps Ocean Life Science

What Is Environmental DNA and How It Maps Ocean Life

Environmental DNA, or eDNA, lets scientists identify marine species from a simple water sample. This non-invasive method is transforming how researche...

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How Cell-Free Protein Synthesis Works—and Why It Matters Science

How Cell-Free Protein Synthesis Works—and Why It Matters

Cell-free protein synthesis lets scientists produce proteins without living cells, dramatically speeding up drug discovery, vaccine development, and b...

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How a Father's Health Before Conception Shapes His Baby Science

How a Father's Health Before Conception Shapes His Baby

Research reveals that a father's diet, stress, and lifestyle alter sperm epigenetics—chemical tags on DNA—that can influence offspring health for gene...

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How Gut Bacteria Inject Proteins Into Your Cells Science

How Gut Bacteria Inject Proteins Into Your Cells

Harmless gut bacteria wield syringe-like molecular machines called type III secretion systems to inject proteins directly into human cells, shaping im...

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What Is a Kona Low and Why It Floods Hawaii Science

What Is a Kona Low and Why It Floods Hawaii

Kona lows are cold-core cyclones that reverse Hawaii's normal wind patterns, pushing moisture-laden air into the islands from the southwest and trigge...

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What Is Neural Dust and How Does It Read Your Brain? Science

What Is Neural Dust and How Does It Read Your Brain?

Neural dust sensors smaller than a grain of salt can wirelessly monitor brain activity using ultrasound or laser power, opening new paths for treating...

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How Sperm Whale Heads Work—and Why They're Extraordinary Science

How Sperm Whale Heads Work—and Why They're Extraordinary

The sperm whale's enormous head is a biological marvel housing the spermaceti organ, which powers echolocation, aids deep diving, and may serve as a b...

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