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
Parasites in Ancient Poo Reflect Neolithic Settlers’ Lifestyle
Parasites in Ancient Poo Reflect Neolithic Settlers’ Lifestyle
Ashley P. Taylor | Jun 21, 2019
From an excavation of a site called Çatalhöyük, in modern-day Turkey, scientists recover preserved whipworm eggs—a sign of settling down and living in close quarters.
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.
Could Manipulating the Microbiome of Artworks Prevent Their Decay?
Could Manipulating the Microbiome of Artworks Prevent Their Decay?
Ashley Yeager | Jun 1, 2019
Treating the microbial community residing on a painting with probiotics may offer a way to stave off biodegradation, a study suggests.
Denisovan Fossil Identified in Tibetan Cave
Denisovan Fossil Identified in Tibetan Cave
Shawna Williams | May 1, 2019
A mandible dating to 160,000 years ago is the first evidence of Denisovan hominins outside the Russian cave where they were first discovered in 2010.
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.
New Species of Human, <em>Homo</em> <em>luzonensis,</em> Identified in the Philippines
New Species of Human, Homo luzonensis, Identified in the Philippines
Katarina Zimmer | Apr 10, 2019
Thirteen hominin bones found in a cave are so unique that archaeologists have determined they stem from a distinct hominin species, although others question whether the researchers have enough evidence.
From Chemical Weapon to Chemotherapy, 1917&ndash;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.
Image of the Day: Wet PlanetImage of the Day: Wet Planet
Image of the Day: Wet Planet
Carolyn Wilke | Mar 28, 2019
An analysis of the scars left by long-gone flows reveals that Mars’s rivers may have run even when scientists thought the planet was drying out.
Image of the Day: Mass Sacrifice
Image of the Day: Mass Sacrifice
Carolyn Wilke | Mar 12, 2019
At an archaeological site in Peru, researchers have found the remains of hundreds of children and llamas sacrificed in the 15th century.