Lithograph of the 1870 Great Mississippi Steamboat Race.

When Deadly Steamboat Races Enthralled America

Already prone to boiler explosions that regularly killed scores of passengers, steamboats were pushed to their limits in races that valued speed over safety.
Botanical drawing of a flowering pennyroyal plant.

Pennyroyal, Mifepristone, and the Long History of Medication Abortions

Pennyroyal is a species of mint with purple flowers. It smells like spearmint. And it has been used as an abortifacient for over two thousand years.
Glass of wine spilling.

The Great Alcohol Health Flip-Flop Isn’t That Hard to Understand—If You Know Who Was Behind It

More than 30 years ago, the "French paradox" got America bleary-eyed.
Republican Reps. Marjorie Taylor Greene (Ga.) and Jim Jordan (Ohio) during a House select subcommittee on the coronavirus pandemic in Washington. (Ricky Carioti/The Washington Post)
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Pandemic Origin Stories are Laced Through With Politics

Efforts to pinpoint early cases have been complicated, and in some cases compromised, by distractions and diversions.
Carton of milk

A Fresh History of Lactose Intolerance

In “Spoiled,” the culinary historian Anne Mendelson takes aim at the American fallacy of fresh milk as a wonder food.
Native American and Black girls tossing around a medicine ball in a circle.

Right Living, Right Acting, and Right Thinking

How Black women used exercise to achieve civic goals in the late nineteenth century.

The Forgotten Drug Trips of the Nineteenth Century

Long before the hippies, a group of thinkers used substances like cocaine, hashish, and nitrous oxide to uncover the secrets of the mind.
Roland R. Griffith and psychedelic mushrooms..

Roland Griffiths' Magical Profession

His research ushered in the psychedelic renaissance. Now it's changing how he's facing death.
Collage of DNA sequence and scientists, reading "Your Child's IQ: What Role Does Heredity Play?"

Losing the Genetic Lottery

How did a field meant to reclaim genetics from Nazi abuses wind up a haven for race science?
A diagram of the solar system from 1781, focused on Uranus.

American Uranus

The early republic and the seventh planet.
American Indian woman embraces a horse wearing a ceremonial mask.

Taken Together, Archaeology, Genomics and Indigenous Knowledge Revise Colonial Human-Horse Stories

New research adds scientific detail to Indigenous narratives that tell a different story.
A man pressing a button on an early IBM computer.

How an IBM Computer Learned to Sing

The IBM 7094 anticipated the future of music—and also sounded like the Auto-Tuned pop stars of today.
Edgar Allen Poe.

Did Voter Fraud Kill Edgar Allan Poe?

The death of mystery writer Edgar Allan Poe is its own mystery. But new research suggests election fraud may have contributed to his demise in Baltimore.
A flower.

A Structural History of American Public Health Narratives

Rereading Priscilla Wald’s "Contagious" and Nancy Tomes’ "Gospel of Germs" amidst a 21st-century pandemic.
An all-women team of aquanauts: Ann Hartline, Sylvia Earle, Renate True, Alina Szmant, and Peggy Lucas Bond.

The Forgotten Women Aquanauts of the 1970s

These scientists spent weeks underwater doing research—and convincing NASA women could also go into space.
Drawing of five women in uniform aprons and white bonnets.

Law, Medicine, Women’s Authority, and the History of Troubled Births

A new book "examines legal cases of women accused of infanticide and concealment of stillbirth."
Graphic including images of Percy Julian.

Percy Julian and the False Promise of Exceptionalism

Reflecting on the trailblazing chemist’s fight for dignity and the myths we tell about our scientific heroes.
Chuquicamata in Chile

The Transformative and Hungry Technologies of Copper Mining

Our own world is built from copper, and so too will future worlds be.
A police officer stands beside a crashed automobile, 1905. (Photo by Robert Alexander / Getty Images)

The Reckless History of the Automobile

In "The Car," Bryan Appleyard sets out to celebrate the freedom these vehicles granted. But what if they were a dangerous technology from the start?
Designed picture of Lambert Adolphe Quetelet and Ancel Keys.

The Strange History of BMI, the Body Mass Index

BMI is a simple calculation, but how it is translated into a diagnosis is complex and flawed.
House Energy Committee Chairwoman Rep. Cathy McMorris Rodgers (R-Wash.) speaks during a subcommittee hearing about the federal response to the coronavirus pandemic on Feb. 8.
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The Eugenic Roots of ‘Quality Adjusted Life Years,’ and Why They Matter

Why a powerful House Republican wants to ban a common insurance practice.
Network visualized as a colorful web.

Visualizing Women in Science

A new interactive digital project recovers biographies of women in science, and recreates the social networks that were essential to sustaining their work.
Hands holding pregnant woman's stomach.

Black Women and the Racialization of Infanticide

Loss of control over knowledge of the female body cemented women’s status as second-class citizens.
Sign for the Hong Kong Restaurant

The Rotten Science Behind the MSG Scare

How one doctor’s letter and a string of dodgy studies spurred a public health panic.
US Signal Station on the trail to Pike’s Peak.

Civil War Weather

The U.S. Army's contributions to meteorology.
Addressing the problem, some scientists believe, may require reimagining agriculture from the ground up.

Phosphorus Saved Our Way of Life—and Now Threatens to End It

Fertilizers filled with the nutrient boosted our ability to feed the planet. Today, they’re creating vast and growing dead zones in our lakes and seas.
Sketches of animal bones superimposed on a map of rivers in the midwest.

The First Fossil Finders in North America Were Enslaved and Indigenous People

Decades before paleontology’s formal establishment, Black and Native Americans discovered—and correctly identified—millennia-old fossils.
Drawing of a fighter plane.

The Real Developmental Engine

Throughout its history, the technology sector has been dependent on the federal budget.
Smoke rises from a derailed cargo train in East Palestine, Ohio, on Feb. 4.
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The Air Pollution Disaster that Echoes in the Ohio Train Derailment

What is an industry-made disaster, and what is caused by natural factors like weather?
Sen. John Fetterman (D-Pa.).
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Does John Fetterman’s Openness Signal New Acceptance of Mental Illness?

Some see the reaction to Sen. Fetterman’s announcement as a sign of progress, but that’s less true than you might think.