People flocked to the streets during Paris' car-free day.

A Car-Free Day in Paris Cut Pollution by 40 Percent

But will the city say <i>non</i> to smog for good?

5 Things to Know About Svetlana Alexievich, Winner of the 2015 Nobel Prize in Literature

The Belarusian journalist is best known for her tragic investigations of war and disaster in eastern Europe

The Only Eyewitness Painting of Lincoln's Assassination Is Finally Being Restored

How a forgotten portrait of the president's dying hours was saved

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Watch Drones Drop Thousands of Moths on Crops

Swarms of sterile moths could be coming to a cotton farm near you

Sears sweater models...or government agents?

In Vietnam, the C.I.A. Paid Spies With Stuff From Sears

Nothing says "clandestine espionage" like a mail-order catalog

Feast Your Eyes on an Optical Illusion Cake

This may be the most delicious optical illusion

How Decorative Gourd Season Conquered Fall

Strange-looking squash have become big business for farmers

The dining room on the Titanic

A Lunch Menu From the Titanic Just Sold for $88,000

The "unsinkable" ship served corned beef, mutton chops and custard pudding

The Card Catalog Is Officially Dead

Long live the card catalog

Now There Are Diagnostic Codes for Squirrel Bites, Library Injuries and More

Hey, it could happen

How a Captain Morgan Advertisement Inspired an Emergency Room Technique

Captain Morgan, hip fixer

A relative unknown, Werner Forssmann won the 1956 Nobel Prize in Physiology or Medicine for inventing the cardiac catheter. Some of his equally qualified peers have not been as fortunate.

How Not to Win a Nobel Prize

A search through the Nobel archives shows how the history of the famous prize is filled with near misses and flukes

It Will Take Nine Years to Clean the Taj Majal

“Mudpack therapy” will help the iconic monument clean up its act

Japanese Universities Are Shuttering Social Sciences and Humanities Departments

Just how valuable is that degree in literature?

The Nazis Wanted to Beat the British With Exploding Chocolate Bars

Sweet, but scary

Americans Used to Eat Four Meals a Day

Rest in peace, “second supper”

Climate Change Is Turning 500-Year Floods Into 24-Year Ones

Rising sea levels and an increase in large storms will continue to threaten the Atlantic coast

In Honor of Banned Books Week, Here Are the Most Challenged Books of 2014

The American Library Association reported 311 formal, written challenges to books

King Crabs Are About to Take Over Antarctica

As oceans warm, Antarctica braces for an invasion of shell-cracking crabs

Mold Is Threatening Boston Public Library’s Rare Books

As spores are found in the stacks, it's time to battle a fuzzy foe

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