Heel Prick, 1957
Heel Prick, 1957
Robert Guthrie’s blood test for the metabolic disorder phenylketonuria launched a worldwide movement to screen every baby for the disease soon after birth.
Heel Prick, 1957
Heel Prick, 1957

Robert Guthrie’s blood test for the metabolic disorder phenylketonuria launched a worldwide movement to screen every baby for the disease soon after birth.

Robert Guthrie’s blood test for the metabolic disorder phenylketonuria launched a worldwide movement to screen every baby for the disease soon after birth.

history of science
Bovine Inoculations, circa 1870s
Bovine Inoculations, circa 1870s
Christopher DeCou | Jun 1, 2019
Lymph from cattle proved more effective at inducing immunity to smallpox than the older, person-to-person method.
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.
Book Excerpt from <em>The Environment</em>Book Excerpt from <em>The Environment</em>
Book Excerpt from The Environment
Paul Warde, Libby Robin, Sverker Sörlin | Feb 1, 2019
The authors of a new history of humanity's relationship with the environment detail how climate change fits into the equation.
&ldquo;The Environment&rdquo; Is Only 70 Years Old
“The Environment” Is Only 70 Years Old
Paul Warde, Libby Robin, Sverker Sörlin | Feb 1, 2019
A new book traces the surprisingly short history of the environment as a shared conceptual construct.
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.
Contributors
Contributors
The Scientist Staff | Feb 1, 2019
Meet some of the people featured in the February 2019 issue of The Scientist.
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.