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The history of science

Doppler effect. Illustration: shutterstock

Spotlight on the Doppler effect

If you have ever stood on the side of a highway, or an ambulance passed you by at high speed, you must have noticed the change in tone that occurs exactly when the vehicle or the siren passes you by: the noise "drops" sharply
Alexander von Humboldt. From Wikipedia

The man who invented the environment

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The limits of power or reflections on the driving force of fire

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Agnew's Clinic, an 1889 painting by Thomas Eakins, depicts an American operating theater after the advent of general anesthesia. Source: Thomas Eakins.

Dangerous medicine

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A stamp depicting the Wright brothers and their airplane. IgorGolovniov / Shutterstock.com

And what if the dream of aviation that began in the early twentieth century in North Carolina ended on the roof of your house?

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Pulse oximeter. Illustration: shutterstock

The history of the revolutionary medical device: pulse oximeter

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The site once thought to fill the universe. Illustration: shutterstock

the air of the gods

Anna Atkins - the pioneer of scientific photography

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Italian stamp from 1999 in honor of Alessandro Volta. Photo: Neftali / Shutterstock.com

270th birthday of the inventor of the electric battery Alessandro Volta

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Kalpana Chawla

occupying the space

Thomas Edison in his laboratory in New Jersey, 1901. Photo: shutterstock

The man who never stopped inventing

Issac Newton, from a children's encyclopedia from the Soviet Union, 1962. Photo: Iryna1 / Shutterstock.com

Isaac Newton, 1643 – 1727

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Andreas Vesalius dissects a corpse. The cover of the book De humani corporis fabrica. Photo: Wikimedia

The man who turned medicine into a science

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Super bacteria. Illustration: shutterstock

Small creatures, big trouble

Captain James Cook. From Wikipedia

John Harrison, the chronometer and the second voyage of James Cook, 1772 – 1775

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The earth is no longer at the center of the universe. The inner solar system. Illustration: shutterstock

The center of the universe, peace

The dog liked a Roman stamp. Photo: rook76 / Shutterstock.com

Launching animals into space 1957-1973

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A stamp issued by the Soviet Union in 1973 on the occasion of the 500th anniversary of the birth of Nicolaus Copernicus, with the heliocentric universe model in the background. Photo: Olga Popova / Shutterstock.com

The Copernicus case / Dennis Danielson and Christopher M. Gurney

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Prolific researcher and respected teacher. Dulbek receives the Nobel Prize in Medicine, 1975. Photo: Salk Institute

Cancer and the strange virus

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Alexey Solodov / Shutterstock.com

The Soviet Union in space - Soyuz and Salyut Chapter 4: Soyuz 9

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A model of the Skylab space laboratory. Photo: shutterstock

Skylab - Part 4, the first manned flight to the laboratory

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The first parts of the Skylab laboratory are all ready for launch. Photo: NASA

Skylab - the preparations for the launch (third part of the series)

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The cover of the book "Skylab - America's first space station" from 1977. Photo: NASA

Space Lab Skylab - second part of the series

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American stamp commemorating the Skylab program. Photo: Georgios Kollidas / Shutterstock.com

The Skylab program - a hybrid creation of a manned space program without a budget. First part of the series

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Alfred Russel Wallace in a photograph from 1895. From Wikipedia

The forgotten father of the theory of evolution

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