Arsenic and Old Leeches

Three reasons why you shouldn’t consult the nineteenth-century WebMD archives.

An Icy Conquest

“We are starved!” cried the sixty skeletal members of the English colony of Jamestown as provisions arrived in 1610.

How the Horrific 1918 Flu Spread Across America

The toll of history’s worst epidemic surpasses all the military deaths in World War I and World War II combined. And it may have begun in the United States.
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When Science Was Big

This year's Nobel Prize in physics is a blast from the past of Cold War-era research investment. Is that era gone for good?

From Teddy Roosevelt to Trump: How Drug Companies Triggered an Opioid Crisis a Century Ago

Americans, warned President Teddy Roosevelt's newly appointed opium commissioner in 1908, 'have become the greatest drugs fiends in the world.'
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Sooty Feathers Tell the History of Pollution in American Cities

Preserved birds and digital photos help pinpoint levels of black carbon in the air and the changes that led to its decline.

Meet Mr. Mumler, the Man Who “Captured” Lincoln’s Ghost on Camera

When America’s first aerial cameraman met an infamous spirit photographer, the chemistry was explosive.

Trump's NASA Pivot

His administration has made the moon a destination, not just a pit stop, on the way to Mars.
Organic chemistry graphic of burning tree

How the Benzene Tree Polluted the World

The organic compounds that enabled industrialization are having unintended consequences for the planet’s life.

Sputnik Launch 60 Years Ago Was Slow to Resonate With Americans

The 1957 launch of Sputnik wasn’t necessarily the start of the US-Soviet space race that Americans think of today.

The Eye at War: American Eye Prosthetics During the World Wars

How the U.S. military handled a shortage of prosthetic eyes for injured soldiers.

The 1938 Hurricane That Revived New England's Fall Colors

An epic natural disaster restored the forest of an earlier America.
An illustration of Christopher Columbus’s initial meeting with Native Americans.

The Columbian Exchange

A primary source set and teaching guide created by educators.
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Was It Bad Luck or Climate Change?

Our circumstances have changed a lot since early colonial times. Unfortunately, our thinking about climate hasn’t changed enough.

What 100-Year-Old Hurricanes Could Teach Us About Irma

Can the history of hurricanes prove the existence of climate change?

Thirty Years of Atlantic Hurricanes

A history of every Atlantic storm tracked by the National Oceanic and Atmospheric Administration since 1987.

The Woman Who Helped Change How Hurricanes Are Named

For decades, only female names were used.

Why Are You Not Dead Yet?

Life expectancy doubled in the past 150 years. Here’s why.

100 Years of Hurricanes, Animated

Based on a century's worth of NOAA data.

Ancient History of Lyme Disease in North America Revealed with Bacterial Genomes

It turns out that deforestation and suburbanization – not evolution – are to blame for the tick-borne epidemic.
JFK accompanies a man and woman walking through the wreckage of a tornado.
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How Farmers Convinced Scientists to Take Climate Change Seriously

Rural Americans once led the fight to link extreme weather like Hurricane Harvey and human activity. What changed?

How Women Got Crowded Out of the Computing Revolution

Blame messy history for the gender imbalance bedeviling Silicon Valley.

Think This Solar Eclipse Is Getting a Lot of Hype? You Should Have Seen 1878

The darkness of the eclipse lit up American minds more than a century ago.

White Nationalists Flock to Genetic Ancestry Tests. Some Don't Like What They Find

With the rise of spit-in-a-cup genetic testing, white nationalists are turning to science to "prove" their racial identity.
Store associate on the phone next to boxes of air conditioners.

The Moral History of Air-Conditioning

Cooling the air was once seen as sinful. Maybe the idea wasn’t entirely wrong.

'Atomic Bill' and the Birth of the Bomb

Reconsidering the journalistic ethics of a New York Times reporter who chronicled the Manhattan Project from the inside.

The Eclipse of 1878 Almost Killed the Father of the National Weather Service

Eclipse madness is real.

From Boy Geniuses to Mad Scientists

How Americans got so weird about science.

The Racism Behind Alien Mummy Hoaxes

Pre-Columbian bodies are once again being used as evidence for extraterrestrial life.

Metaphors and Malignancy in Senator McCain’s Cancer Diagnosis

How does one talk about cancer, something so unpleasant that is almost always linked with death, and where do metaphors come in?