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image: Demonstrating Discontent, May 21, 1990

Demonstrating Discontent, May 21, 1990

By Andrea Anderson | July 17, 2017

Activists demanded greater access to and involvement in clinical research for AIDS treatments—and their protests were heard.

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

Science History: The First Transgenic Arabidopsis

By Kerry Grens | 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 Amanda B. Keener | 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 Karen Zusi | February 1, 2016

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

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image: Discovering Archaea, 1977

Discovering Archaea, 1977

By Abby Olena | March 1, 2014

Ribosomal RNA fingerprints reveal the three domains of life.

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image: Lords of the Fly, circa 1910

Lords of the Fly, circa 1910

By Dan Cossins | September 1, 2013

In a cramped lab overflowing with fruit flies, Thomas Hunt Morgan and his protégés made the discoveries that laid the foundations of modern genetics.

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image: Sketching out Cell Theory, circa 1837

Sketching out Cell Theory, circa 1837

By Kate Yandell | August 1, 2013

How a dinner-table conversation between two biologists led to the formulation of the theory that cells are the building blocks of all living organisms.

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image: Flying Frog, 1855

Flying Frog, 1855

By Kate Yandell | May 1, 2013

Alfred Russel Wallace, Darwin’s unheralded codiscoverer of the theory of evolution by natural selection, found inspiration in the specimens he collected on his travels.

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image:

"White-Blooded" Icefish, 1927

By Dan Cossins | April 1, 2013

A bizarre group of Antarctic fishes lost their red blood cells but survived to tell their evolutionary tale, revealing a fundamental lesson about the birth and death of genes.

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