Painting of flowers called "The Island Garden," by Childe Hassam, 1892.

A Wiser Sympathy

How Emily Dickinson, scientists, and other writers theorized plant intelligence in the nineteenth century.
Class photo of white men medical students on the steps of a building.

Race and Early American Medical Schools: Review of "Masters of Health"

Medical schools in the antebellum U.S. were critical in the formation of a medical community that shared ideas about racial science.
A pair of horses are unable to pull an overcrowded streetcar in New York City, shown in Harper's Weekly on Sept. 21, 1872.

A Virus Crippled U.S. Cities 150 Years Ago. It Didn’t Infect Humans.

The Great Epizootic, an equine flu in 1872-1873, infected most U.S. horses. Streetcars and mail delivery stopped across the country while fires raged.
NFL bust broken at the head by Liam Eisenberg.

The Forgotten History of Head Injuries in Sports

Stephen Casper, a medical historian, argues that the danger of C.T.E. used to be widely acknowledged. How did we unlearn what we once knew?
Two women baking in a kitchen using a gas stove.

The Forgotten Gas Stove Wars

We’ve been fighting over gas stoves for decades.
The modified SWD M-11/9s used in the Monterey Park Shooting

Monterey Park: Who Made the Gun?

A relic of '80s scofflaw gun culture is still lethal.
Fossils in an exhibit demonstrating the evolution of horses.

The Bitter Dinosaur Feud At The Heart of Palaeontology

As two warring bone hunters sought to destroy each other, they laid the foundations for our knowledge of dinosaurs.
Newspaper headline reading: "Red Cross Says Refusal of Negro Blood is U.S. Order."

Good Blood, Bad Policy: The Red Cross and Jim Crow

A 1940s Red Cross rule, which racially segregated blood, propped up notions of racial difference and Black inferiority.
Bike helmets and traffic signs.

The Cult of Bike Helmets

The history—and danger—of a modern safety obsession.
Nuclear power plant cooling towers billowing steam.
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Nuclear Meltdowns Raised Fears, but Growing Energy Needs May Outweigh Them

Catastrophic accidents at power plants have heightened fears about the safety of nuclear energy, but it's getting renewed attention as a way to fight global warming.
Edward Jenner (1749-1823) vaccinating against smallpox.

At the Start of the Spread

The march toward revolution in America coincided with a smallpox epidemic. True freedom now meant freedom from disease as well.
Demonstrators protest involuntarily institutionalization of mentally ill homeless people.
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Locking Up the Mentally Ill Has a Long History

The prospect of removing people from communities to be put in institutions has been a project of social control.
J. Robert Oppenheimer.

J. Robert Oppenheimer Cleared of “Black Mark” Against His Name After 68 Years

Manhattan Project physicist was infamously stripped of his security clearance in 1954.
Footprints dated to 23,000-21,000 years ago at the White Sands National Park, New Mexico.

The First Americans – A Story of Wonderful, Uncertain Science

Archaeology and genetics can’t yet agree on when humans first arrived in the Americas. That’s good science, and here’s why.
A nurse tends to a patient in the influenza ward of the Walter Reed hospital in Bethesda, Md.

1918 Flu Pandemic Upended Long-standing Social Inequalities – At Least for a Time

The first flu children encounter shapes their immune systems. This had a surprising effect on Black and white mortality rates in 1918.
The outline of a U.S. map with a fire symbol in the middle.

Why the U.S. Is Losing the Fight to Ban Toxic Chemicals

How the U.S. became a global laggard in chemical regulation.
A girl holds a plate of bread loaves, a little boy lifts up a package of self-raising bread preparation, and another girl looks on.

A Colorful History of Baking Powder (And Its Unlikely Inventor)

In the 19th century, food science promised to improve the health, robustness, and productivity of humankind.
Opened standardized test booklet with pencil on top.

Can Standardized Testing Escape Its Racist Past?

High-stakes testing has struggled with overt and implicit biases. Should it still have a place in modern education?
Cover of "Beaver Land," featuring a beaver tail

A Fascinating History of Beavers Shows How the Species Shaped the U.S.

Leila Philip's book is thrilling, both on scientific and historical levels.
People watching uranium mill waste blow in the wind.

The Cold War Legacy Lurking in U.S. Groundwater

A catalog of cleanup efforts at the 50-plus sites where uranium was processed for nuclear weapons, where polluted water and sickness were often left behind.
Thomas Edison with a model of his concrete house, ca. 1911

Concrete Poetry: Thomas Edison and the Almost-Built World

A real (but mostly forgotten) patent conjures a world that could have been.
Dark painting of a storm

Reading the Horizon

Predicting a hurricane in nineteenth-century South Carolina.
John Von Neumann and computer charts.

The World John von Neumann Built

Game theory, computers, the atom bomb—these are just a few of things von Neumann played a role in developing, changing the 20th century for better and worse.
A 1955 AT&T publicity photo shows [in palm, from left] a phototransistor, a junction transistor, and a point-contact transistor.

How the First Transistor Worked

Even its inventors didn’t fully understand the point-contact transistor.
Oil painting by Claire Lehmann called "Painter’s Hand, Patron’s Hand."

Learning and Not Learning Abortion

The fact that most doctors like me don't know how to perform abortions is one of the greatest scandals of contemporary medicine in the US.
Names, dates, and statistics written on lined notebook paper.

The Forgotten Men Behind the Ideas That Changed Baseball

Solving baseball’s enduring puzzles, to those who could even see them, was its own reward. They changed everything but were never given their due.
The Police Beat Algorithm, along with its computational key. Illustrated by Kelly Chudler.

The 1960s Experiment That Created Today’s Biased Police Surveillance

The Police Beat Algorithm’s outputs were not so much predictive of future crime as they were self-fulfilling prophesies.
Cartoon of Madame Restell and Mrs. Bird accompanied by a skeleton.

Female Physicians in Antebellum New York City

"Female physicians" did a lot more than provide abortions, but abortion soon encompassed how others perceived their work.
Cartoon of Buckminster Fuller with spirals in his glasses and hands out as if hypnotizing the reader.

Space-Age Magus

From beginning to end, experts saw through Buckminster Fuller’s ideas and theories. Why did so many people come under his spell?
Illustration of a whale by Jayne Doucette.

How Centuries-Old Whaling Logs Are Filling Gaps in Our Climate Knowledge

Using the historical record to model long-term wind patterns in remote parts of the world where few instrumental data sets prior to 1957 exist.