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Results for "History"

Found 100 results

How a Raw Ingredient Broke the Brain's Security Wall
How a Raw Ingredient Broke the Brain's Security Wall

In the 1950s, Arvid Carlsson solved a medical mystery by slipping a raw chemical precursor past the…

How a Copper Tube Uncovered Earth's Invisible Blanket
How a Copper Tube Uncovered Earth's Invisible Blanket

Discover how John Tyndall's 1859 experiment with a copper tube and rock-salt windows uncovered the …

How a 1933 Merry-Go-Round Heard the Galaxy
How a 1933 Merry-Go-Round Heard the Galaxy

Discover how engineer Karl Jansky accidentally invented radio astronomy in 1933 while trying to fix…

How a Metal Bar Saved a Ship from Phantom Reefs
How a Metal Bar Saved a Ship from Phantom Reefs

When Matthew Flinders mapped Australia, his compass went crazy. He found the ship's iron hull hijac…

The Chemical Scalpel That Tamed the Polio Monster
The Chemical Scalpel That Tamed the Polio Monster

How Jonas Salk used formaldehyde as a chemical scalpel to kill the polio virus while keeping its ou…

The Valve That Let Lungs Breathe the Ocean
The Valve That Let Lungs Breathe the Ocean

How Jacques Cousteau and Émile Gagnan invented the Aqua-Lung in 1943, using a simple valve to free …

The Rock That Tamed the Lithium Fire
The Rock That Tamed the Lithium Fire

In 1980, John Goodenough solved the deadly lithium battery explosion by hiding ions inside a layere…

The Accidental Drop That Tamed Sticky Rubber
The Accidental Drop That Tamed Sticky Rubber

Discover how Charles Goodyear's accidental stove drop in 1839 led to rubber vulcanization, turning …

The Doctor Who Weaponized Fever to Beat Cancer
The Doctor Who Weaponized Fever to Beat Cancer

In 1891, William Coley injected live bacteria into a terminal cancer patient, triggering a massive …

The Debris Trail That Found the Unsinkable
The Debris Trail That Found the Unsinkable

How Robert Ballard used fluid dynamics and a 12-day Navy deadline to find the Titanic by searching …

The pH Trick That Bottled Penicillin
The pH Trick That Bottled Penicillin

In 1940, Norman Heatley used a simple pH trick and a glass funnel to purify fragile penicillin, sav…

How a Sunset Walk and a Stick Built the Modern Power Grid
How a Sunset Walk and a Stick Built the Modern Power Grid

Discover how a sunset walk and a stick in the dirt led Nikola Tesla to invent the AC induction moto…