Neomano
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Neomano · est. 2014

Stories of science, the past, electronics and other curiosities.

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304 articles
Why veins look blue when your blood is red
Science & Tech·Curiosities

Why veins look blue when your blood is red

Human blood is never blue—it is always red. So why do veins look blue under the skin? The answer lies in how light travels through your body and how you see.

August 17, 2026·5 min read
The nocebo effect: when expecting harm creates it
Science & Tech·Curiosities·History

The nocebo effect: when expecting harm creates it

The nocebo effect is the placebo's dark twin: believing a treatment will hurt can make it hurt. Its origin, real cases and what science says.

August 17, 2026·5 min read
Placebo: the Latin word that means «I shall please»
Etymology·Science & Tech·History

Placebo: the Latin word that means «I shall please»

«Placebo» means «I shall please» in Latin and began as a medieval funeral chant. Here is how it jumped from the church to medicine and its famous effect.

August 17, 2026·4 min read
Scurvy: the disease that killed more sailors than storms
History·Science & Tech·Past Science

Scurvy: the disease that killed more sailors than storms

Scurvy killed more sailors than battles and shipwrecks combined. Its cure was discovered, forgotten, and rediscovered over and over for centuries.

August 16, 2026·4 min read
Anesthesia: when surgery was pure torture
History·Science & Tech·Past Science

Anesthesia: when surgery was pure torture

Before 1846, surgery meant sheer agony and surgeons who amputated a leg in 30 seconds. This is how anesthesia was born and transformed medicine.

August 16, 2026·4 min read
Smallpox: the disease that changed empires
History·Science & Tech·Past Science

Smallpox: the disease that changed empires

Smallpox killed some 300 million people in the 20th century, helped topple empires, and became the first human disease ever fully eradicated.

August 16, 2026·4 min read
Rubber Before Goodyear: The Gum That Melted
History·Past Science·Curiosities

Rubber Before Goodyear: The Gum That Melted

Before vulcanization, rubber was a gum that melted in summer and cracked in winter. From the Maya to Goodyear, here's how it was finally tamed.

August 15, 2026·6 min read
Porcelain: the Chinese secret Europe tried to steal
History·Science & Tech·Curiosities

Porcelain: the Chinese secret Europe tried to steal

For centuries Europe paid fortunes for Chinese porcelain without knowing how it was made. This is the story of a hundred-year industrial espionage.

August 15, 2026·5 min read
The Origin of the Word “Quarantine”: 40 Days in Venice
Etymology·History

The Origin of the Word “Quarantine”: 40 Days in Venice

Where does the word quarantine come from? From the 40 days that Venice and Ragusa forced ships to wait during the Black Death. Here is its story.

August 15, 2026·4 min read
The History of Glass: The Material That Changed the World
History·Science & Tech·Curiosities

The History of Glass: The Material That Changed the World

Glass went from Egyptian luxury to everyday object thanks to Roman glassblowers, and later gave science its telescope and microscope.

August 11, 2026·4 min read
Gunpowder Before Cannons: Alchemy, Fire and War
History·Science & Tech·Curiosities

Gunpowder Before Cannons: Alchemy, Fire and War

Chinese alchemists chasing eternal life invented gunpowder by accident. Before cannons came fireworks, fire lances and centuries of fire medicine.

August 11, 2026·5 min read
The History of the Match: Fire in Your Pocket
Science & Tech·History·Curiosities

The History of the Match: Fire in Your Pocket

The friction match was born by accident in 1826, poisoned thousands of factory women, and only later became the safe fire we carry in our pocket.

August 10, 2026·4 min read

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