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History

The same salty seawater spray that strengthened ancient Roman piers millennia ago makes modern coastal concrete constructions crumble -- here’s why.

Charles Q. Choi, Contributor

Canadians are changing how they say words -- and so are many Americans.

Joel Shurkin, Contributor

When science and technology fail and only courage can win a battle.

Joel Shurkin, Contributor

Author Duchess Harris talks about the economic and social factors that led African-American women to work as "computers" for NASA.

Yuen Yiu, Staff Writer

The Outer Space Treaty, which turns fifty this year, laid the basic ground rules for the exploration of the final frontier.

Catherine Meyers, Staff Writer

How an angry encounter with a total stranger helped to identify the cause of Legionnaires’ disease.

Joel Shurkin, Contributor

An experiment half a century ago created an industry that specializes in freezing the dead. Many scientists think the chance of reviving them is slim.

Peter Gwynne, Contributor

Reanalyzed foot and handprints may date to thousands of years before many thought the roof of the world was settled.

Charles Q. Choi, Contributor

Pioneering astronomer who discovered observational evidence of the existence of mysterious dark matter in the universe dies at 88.

Yuen Yiu, Staff Writer

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