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Image of the Day
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.
Staff | Jul 1, 2015
See how William Beebe and Otis Barton descended to the ocean's depths in an early submersible designed to allow access to the mysterious lifeforms inhabiting the deep sea.
Water Fleas, 1755
Jenny Rood | Jun 1, 2015
A German naturalist trains a keen eye and a microscope on a tiny crustacean to unlock its secrets.
Leukemia Under the Lens, 1845
Jenny Rood | Apr 1, 2015
Alfred Donné’s microscopic daguerreotypes described the cellular symptoms of leukemia for the first time.
Kerry Grens | Mar 1, 2015
Galileo’s improvements to the microscope led to the first published observations using such an instrument.