How Chromosomes X and Y Got Their Names, 1891
How Chromosomes X and Y Got Their Names, 1891
A quirk of nomenclature originates in the study of insect cells.
How Chromosomes X and Y Got Their Names, 1891
How Chromosomes X and Y Got Their Names, 1891

A quirk of nomenclature originates in the study of insect cells.

A quirk of nomenclature originates in the study of insect cells.

Foundations
Flower Preservation, 1916
Flower Preservation, 1916
Catherine Offord | Feb 1, 2019
James Kirkham Ramsbottom saved Britain’s daffodil industry from a devastating parasite, only to be forgotten.
Painting Dinosaurs, early 20th century
Painting Dinosaurs, early 20th century
Diana Kwon | Jan 1, 2019
Charles R. Knight’s illustrations shaped the public’s view of prehistoric life.
Cranial Craters, 1000-1250
Cranial Craters, 1000-1250
Sukanya Charuchandra | Nov 1, 2018
Prehistoric Andeans seemed especially fond of trepanation—holes drilled in the skull as a treatment for various ills.
Charting Crescents, 1910
Charting Crescents, 1910
Sukanya Charuchandra | Oct 1, 2018
James Herrick, a Chicago doctor, was the first to describe sickled red blood cells in a patient of African descent.
<em>Homo sapiens</em> Exposed, 1556
Homo sapiens Exposed, 1556
Sukanya Charuchandra | Sep 1, 2018
Juan Valverde de Amusco’s anatomical drawings corrected some earlier errors while making anatomy more accessible.
From Railroad Tracks to Racetracks, 1870s
From Railroad Tracks to Racetracks, 1870s
Jim Daley | Aug 1, 2018
How a robber baron and an eccentric inventor solved a millennia-old question about horses.
Maiden Voyage, 1872&ndash;1876
Maiden Voyage, 1872–1876
Ashley Yeager | Jul 1, 2018
The Challenger expedition's data on ocean temperatures and currents, seawater chemistry, life in the deep sea, and the geology of the seafloor spurred the rise of modern oceanography.
China’s Flowers, 1922-1949
China’s Flowers, 1922-1949
Ashley Yeager | Jun 1, 2018
Austrian-American botanist Joseph Rock collected thousands of plant samples in his 27 years in the Middle Kingdom, leaving after the Communist Party’s takeover.
Among the Amish, c. 1960s
Among the Amish, c. 1960s
Diana Kwon | May 1, 2018
Victor McKusick’s pioneering investigations provided insight into hereditary disorders.