Bovine Inoculations, circa 1870s
Bovine Inoculations, circa 1870s
Lymph from cattle proved more effective at inducing immunity to smallpox than the older, person-to-person method.
Bovine Inoculations, circa 1870s
Bovine Inoculations, circa 1870s

Lymph from cattle proved more effective at inducing immunity to smallpox than the older, person-to-person method.

Lymph from cattle proved more effective at inducing immunity to smallpox than the older, person-to-person method.

Foundations
Machine, Learning, 1951
Machine, Learning, 1951
Jef Akst | May 1, 2019
Marvin Minsky engineered the first known artificial neural network, in which “rats” represented as lights learned to solve a maze.
From Chemical Weapon to Chemotherapy, 1917–1946
From Chemical Weapon to Chemotherapy, 1917–1946
Carolyn Wilke | Apr 1, 2019
Mustard gas blistered men’s bodies on the battlefield, but paved the way for cancer-fighting drugs.
How Chromosomes X and Y Got Their Names, 1891
How Chromosomes X and Y Got Their Names, 1891
Joseph Keierleber | Mar 1, 2019
A quirk of nomenclature originates in the study of insect cells.
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.
Rethinking Raw Milk, 1918
Rethinking Raw Milk, 1918
Ashley Yeager | Dec 1, 2018
Bacteriologist Alice Evans identified the pathogen that causes undulant fever, leading her to push for the pasteurization of milk.
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.