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Image of the Day
Picturing Inheritance, 1916
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.
Fighting Cancer with Infection, 1891
Catherine Offord | Apr 1, 2016
Now hailed as the father of immunotherapy, William Coley pioneered extraordinary methods to treat cancer.
Cave Dwellers, 1938
Anna Azvolinsky | Mar 1, 2016
Renowned sleep researcher Nathaniel Kleitman and a colleague spent a month underground to test the body’s natural rhythms.
Mendel in the Hot Seat, 1902
Karen Zusi | Feb 1, 2016
Raphael Weldon’s critiques of Mendelian principles were 100 years ahead of his time.
A Century of Science on Stamps
Karen Zusi | Jan 1, 2016
Countries have used postage stamps to commemorate scientific achievements—sometimes with erroneous zeal—since the early 1900s.
The Cyclopes of Idaho, 1950s
Karen Zusi | Dec 1, 2015
A rash of deformed lambs eventually led to the creation of a cancer-fighting agent.
The First Neuron Drawings, 1870s
Amanda B. Keener | Oct 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.
Whaling Specimens, 1930s
Amanda B. Keener | Sep 1, 2015
Fetal specimens collected by commercial whalers offer insights into how whales may have evolved their specialized hearing organs.
A Case of Sexual Ambiguity, 1865
Amanda B. Keener | Aug 1, 2015
This year marks the 150th anniversary of an autopsy report describing the first known case of a sexual development disorder.
Half Mile Down, 1934
Jenny Rood | Jul 1, 2015
In his bathysphere, William Beebe plumbed the ocean to record-setting depths.