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The 19th century biologist’s drawings, tainted by scandal, helped bolster, then later dismiss, his biogenetic law.

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image: Two-Photon Microscopy’s Historic Influence on Neuroscience

Two-Photon Microscopy’s Historic Influence on Neuroscience

By | November 1, 2016

In the 1990s, the development of this gentler and more precise microscopy method improved scientists’ ability to probe neurons’ activity and anatomy.

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image: Science History: The First Transgenic <em>Arabidopsis</em>

Science History: The First Transgenic Arabidopsis

By | October 1, 2016

Tweaks to a transformation protocol in 1986 cemented the little plant's mighty role in plant genetics research.

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image: Picturing Inheritance, 1916

Picturing Inheritance, 1916

By | May 1, 2016

This year marks the centennial of Calvin Bridges’s description of nondisjunction as proof that chromosomes are vehicles for inheritance.

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image: Mendel in the Hot Seat, 1902

Mendel in the Hot Seat, 1902

By | February 1, 2016

Raphael Weldon’s critiques of Mendelian principles were 100 years ahead of his time.

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image: The First Neuron Drawings, 1870s

The First Neuron Drawings, 1870s

By | October 1, 2015

Camillo Golgi’s black reaction revealed, for the first time, the fine structures of intact neurons, which he captured with ink and paper.

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image: The Body Electric, 1840s

The Body Electric, 1840s

By | November 1, 2014

Emil du Bois-Reymond’s innovations for recording electrical signals from living tissue set the stage for today’s neural monitoring techniques.

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image: Discovering Archaea, 1977

Discovering Archaea, 1977

By | March 1, 2014

Ribosomal RNA fingerprints reveal the three domains of life.

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image: The Neuron Doctrine, circa 1894

The Neuron Doctrine, circa 1894

By | November 1, 2013

Santiago Ramón y Cajal used a staining technique developed by Camillo Golgi to formulate the idea that the neuron is the basic unit of the nervous system.

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image: The Leprosy Bacillus, circa 1873

The Leprosy Bacillus, circa 1873

By | October 1, 2013

A scientist’s desperate attempts to prove that Mycobacterium leprae causes leprosy landed him on trial, but his insights into the disease’s pathology were eventually vindicated.

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