"Judging from the preserved copies, each microscope that van Leeuwenhoek produced held a lens with a distinct curvature and magnification," they wrote. "The tight fitting of the lens that the ...

These pictures – of the surface of a head louse and blood cells – show the type of images that Dutch biologist and microscope pioneer Antoni van Leeuwenhoek observed in the late 1600s when he ...

Although his microscopes weren’t much bigger than a modern microscope slide, Anton van Leeuwenhoek coaxed 200x magnification out of his small devices. (Credit: Blue Lantern Studio/Corbis) Perhaps one ...

While Leeuwenhoek shared nearly everything he saw through his microscope in exactingly detailed letters, he zealously guarded how he made his revolutionary lens. When asked, he declined or obfuscated.

A microscope used by Antoni van Leeuwenhoek to conduct pioneering research contains a surprisingly ordinary lens, as new research by Rijksmuseum Boerhaave Leiden and TU Delft shows. It is a ...

In 1677, just twenty years after William Harvey's death, Dutch scientist Antonie van Leeuwenhoek created a microscope powerful enough to magnify the sperm found in semen. Because Harvey could not ...

This story appears in the September 2019 issue of National Geographic magazine. In hopes of seeing why a peppercorn tastes peppery, Antonie van Leeuwenhoek (1632-1723) soaked one in water and put ...

Van Leeuwenhoek designed a single-lens microscope which he used to observe what he famously called "little animals" - single cell organisms that we now know as bacteria and other microbes.

When Royal Society Secretary Henry Oldenburg asked Leeuwenhoek to look at semen ... marveled at the discoveries of a man who used his microscope to analyze bee stingers, human lice, lake microbes ...

Late 1600s – Dutch scientist Antonie van Leeuwenhoek constructed a microscope with a single spherical lens. It magnified up to ×275. 1800s - the optical quality of lenses increased and the ...

and by biochemist and writer Nick Lane who is professor of Evolutionary Biochemistry at University College London. (Photo: Antonie van Leeuwenhoek's microscope. Credit: Rijksmuseum Boerhaave) ...