Science

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What Is the Goldilocks Zone—and How It Guides the Search for Life Science

What Is the Goldilocks Zone—and How It Guides the Search for Life

The habitable zone, or Goldilocks zone, is the region around a star where liquid water could exist on a planet's surface. Understanding how scientists...

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How Brain Organoids Work—Mini Brains Grown in a Lab Science

How Brain Organoids Work—Mini Brains Grown in a Lab

Brain organoids are pea-sized clusters of human neural tissue grown from stem cells. They mimic early brain development and are transforming research...

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How NASA's Deep Space Network Talks to Spacecraft Science

How NASA's Deep Space Network Talks to Spacecraft

NASA's Deep Space Network is a trio of giant antenna complexes that keep Earth connected to every interplanetary mission, from Mars rovers to Voyager...

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How Scientists Recreate Star Explosions on Earth Science

How Scientists Recreate Star Explosions on Earth

Inside the world's most powerful rare-isotope accelerator, physicists smash atomic nuclei at half the speed of light to understand how stars forge the...

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How RTGs Power Spacecraft Billions of Miles From the Sun Science

How RTGs Power Spacecraft Billions of Miles From the Sun

Radioisotope thermoelectric generators convert the heat of decaying plutonium-238 into electricity, enabling spacecraft like Voyager 1 to operate for...

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How Humans Are Still Evolving—Faster Than Expected Science

How Humans Are Still Evolving—Faster Than Expected

A landmark study of 16,000 ancient genomes reveals that natural selection has accelerated in humans since the dawn of agriculture, shaping traits from...

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How Shipwreck Salvage Law Works—and Who Owns the Treasure Science

How Shipwreck Salvage Law Works—and Who Owns the Treasure

Maritime salvage law governs who can recover sunken ships and artifacts, how salvors are rewarded, and why 'finders keepers' rarely applies underwater...

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What Are Zombie Cells—and How They Drive Aging Science

What Are Zombie Cells—and How They Drive Aging

Senescent 'zombie' cells stop dividing but refuse to die, flooding tissues with inflammatory signals that accelerate aging and disease. Scientists are...

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How Printed Artificial Neurons Talk to Real Brain Cells Science

How Printed Artificial Neurons Talk to Real Brain Cells

Scientists can now print flexible electronic neurons that generate signals realistic enough to activate living brain tissue, opening the door to cheap...

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How Tornadoes Form—and Why the U.S. Gets the Most Science

How Tornadoes Form—and Why the U.S. Gets the Most

An explainer on the atmospheric mechanics behind tornado formation, why the United States experiences more tornadoes than any other country, and how m...

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How Ancient DNA Analysis Works—and What It Reveals Science

How Ancient DNA Analysis Works—and What It Reveals

Scientists extract and sequence degraded genetic material from bones thousands of years old, rewriting human history and revealing lost populations, e...

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How Mammals Stopped Laying Eggs—the Long Road Science

How Mammals Stopped Laying Eggs—the Long Road

All mammals descend from egg-laying ancestors called synapsids. Here's how the transition from leathery eggs to live birth unfolded over 300 million y...

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