Skeletons in situ at Avery's rest.

DNA Analysis From Colonial Delaware Skeletons Reveals Beginning Of American Slave Trade

A new DNA study of skeletons from a farmstead on the Delaware frontier has revealed key information about the early transatlantic slave trade.
Margaret Morse Nice, smiling, pulling paper out of typewriter, with painting of two birds behind her.

Margaret Morse Nice Thought Like a Song Sparrow and Changed How Scientists Understand Animal Behavior

This 20th century ornithologist earned the respect of her contemporaries for her animal behavior research that went against the grain of traditional science.

His Whaleship: The Stories of Real, Authentic, Dead Whales

In 1873, there weren’t very many options for the public in the United States to see what a real whale looked like.

Vietnam Draft Lotteries Were a Scientific Experiment

The Vietnam draft lotteries functioned as a randomized experiment—which has allowed social scientists to study its life-changing effects.

John Wheeler’s H-bomb Blues

In 1953, as a political battle raged over the US’s nuclear future, the physicist lost a classified document on an overnight train from Philadelphia to DC.
A drawing of a moose skeleton
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America, Where the Dogs Don't Bark and the Birds Don't Sing

The Comte de Buffon's thirty-six volume Natural History claimed that America was a land of degeneracy. That enraged Thomas Jefferson.

The Planet is Burning Around us: Is it Time to Declare the Pyrocene?

Wild, feral and fossil-fuelled, fire lights up the globe. Is it time to declare that humans have created a Pyrocene?

The Little Ice Age Is a History of Resilience and Surprises

The world's last climate crisis demonstrates that surviving is possible if bold economic and social change is embraced.

The Case Against an American King, Then and Now

Liesl Schillinger Considers the Impeachment of Donald Trump vs. the Indictment of George III.

The Gay Activists Who Fought the American Psychiatric Establishment

Mo Rocca on the struggle to depathologize homosexuality.
Devils roasting the earth on a spit.

From Saving the Earth to Ruling the World

The transformation of the environmental movement.
Drawing of a lightbulb illuminating an inventor's laboratory.

The Real Nature of Thomas Edison’s Genius

The inventor did not look for problems in need of solutions; he looked for solutions in need of modification.

The Lines of Code That Changed Everything

Apollo 11, the JPEG, the first pop-up ad, and 33 other bits of software that have transformed our world.

Herd Immunity

Can the social contract be protected from a measles outbreak?
Pluto, July 2015, photographed by NASA’s New Horizons spacecraft.

In Search of Planet X

The books examine the history of space exploration, from the race to discover Pluto to the idea of space colonization.
Ann Lohman – also known as Madame Restell – in an 1847 edition of the National Police Gazette.

“Immoderate Menses” or Abortion? Bodily Knowledge and Illicit Intimacy in an 1851 Divorce Trial

Edwin Forrest’s 1851 divorce trial.
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When New Yorkers Burned Down a Quarantine Hospital

On September 1st, 1858, a mob stormed the New York Marine Hospital in Staten Island, and set fire to the building.
Black and white photo of locomotive on railroad tracks.

Camera and Locomotive

Railroads and photography, developed largely in parallel and brought about drastic changes in how people understood time and space.

The Military Origins of Layering

The popular way to keep warm outdoors owes a debt to World War II–era clothing science.

When “Peanuts” Went All-In on Vaccinations

Charles Schulz used his culturally monolithic comic strip to advocate for public health. But his approach had some serious shortcomings.

A Brief History of American Pharma: From Snake Oil to Big Money

The dark side of the medical industrial complex.

The Knotty Question of When Humans Made the Americas Home

A deluge of new findings are challenging long-held scientific narratives of how humans came to North and South America.

The History of How School Buses Became Yellow

Rural educator Frank Cyr had the vision and pull to force the nation to standardize the color of the ubiquitous vehicle.

America's Decades-Old Obsession With Nuking Hurricanes (and More)

If you think dropping a nuclear bomb into the eye of a hurricane is a bad idea, wait'll you see what they had in mind for the polar ice caps.
Sidney Hook speaking at the opening session of the Congress for Cultural Freedom in Berlin on June 26, 1950.

Is Science Political?

Many take the separation between science and politics for granted, but this view of science has its own political origins.
Hooded person shining a laser pointer at an airplane in the dark

A Blinding History of the Laser Pointer

They can wreck your eyes, and they can land you 14 years in jail for shining one at a police chopper. But where did they come from?

Inventing the Environment

A review of two new books on the postwar origins of “the Environment.”
Blindfolded taste testers.

The Government Taste Testers Who Reshaped America’s Diet

In the 1930s, a forgotten federal bureau experimented with ways to make soy and other products more popular in the U.S.
multicolor illustration of Gmail icons, iMessage text boxes, reply arrows, and refresh arrows.

Was E-mail a Mistake?

Digital messaging was supposed to make our work lives easier and more efficient, but the math suggests that meetings might be better.
People dancing at Woodstock

When Science Was Groovy

Counterculture-inspired research flourished in the Age of Aquarius.