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How Metformin Works—and Why It Does Far More Than Expected
Health

How Metformin Works—and Why It Does Far More Than Expected

Metformin, a cheap diabetes drug derived from a medieval plant remedy, is being studied for anti-aging, cancer prevention, and heart protection—making it one of medicine's most versatile molecules.

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Latest articles

How the Montreal Protocol Works—and Why It Saved the Ozone Science

How the Montreal Protocol Works—and Why It Saved the Ozone

The Montreal Protocol, signed in 1987 and ratified by every UN member, phased out over 98 percent of ozone-depleting chemicals. Here is how the treaty...

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How Gravitational Lensing Works—the Universe's Telescope Science

How Gravitational Lensing Works—the Universe's Telescope

Gravitational lensing bends light from distant objects around massive cosmic structures, acting as nature's own telescope. This guide explains the thr...

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How LiDAR Reveals Lost Cities Hidden Under Jungles Science

How LiDAR Reveals Lost Cities Hidden Under Jungles

LiDAR technology fires millions of laser pulses from aircraft to digitally strip away dense vegetation, exposing ancient ruins invisible from the grou...

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How the Replication Crisis Works—and Why It Shakes Science Science

How the Replication Crisis Works—and Why It Shakes Science

Half of social-science findings cannot be reproduced by independent researchers, exposing deep structural problems in how studies are published, funde...

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How Ticks Spread Disease—From Bite to Bloodstream Health

How Ticks Spread Disease—From Bite to Bloodstream

Tick-borne diseases affect hundreds of thousands of people each year. Here's how these tiny arachnids transmit pathogens, which diseases they carry, w...

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How Robotic Surgery Works—and Why It's Spreading Health

How Robotic Surgery Works—and Why It's Spreading

Robotic surgery uses a master-slave console system where surgeons control pencil-thin robotic arms through tiny incisions, offering greater precision...

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How the Rock & Roll Hall of Fame Works Culture

How the Rock & Roll Hall of Fame Works

From nomination to induction, the Rock & Roll Hall of Fame follows a multi-stage process involving a nominating committee, fan voting, and over 1,200...

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How Tech IPOs Work—From Filing to First Trade Economy

How Tech IPOs Work—From Filing to First Trade

A step-by-step explainer of how technology companies go public through an initial public offering, from SEC registration and roadshows to pricing, loc...

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How Reusable Rockets Work—and Why They Slashed Costs Technology

How Reusable Rockets Work—and Why They Slashed Costs

Reusable rockets land themselves after launch and fly again, cutting the cost of reaching orbit by up to 70 percent. Here is the engineering behind pr...

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What Is Nanotyrannus—and Why It's Not a Baby T. Rex Science

What Is Nanotyrannus—and Why It's Not a Baby T. Rex

For decades, paleontologists argued whether small tyrannosaur fossils belonged to juvenile T. rex or a separate species. Multiple studies now confirm...

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How Back-Channel Diplomacy Works—and Why It Matters Culture

How Back-Channel Diplomacy Works—and Why It Matters

Back-channel diplomacy uses secret, unofficial negotiations to break deadlocks when formal talks fail. From the Cuban Missile Crisis to the Oslo Accor...

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