Proceedings of the National Academy of Sciences of the United States of America, Archives

Workers sit in the control room of reactor number two inside the former Chernobyl nuclear power plant

Science & Technology

Chernobyl’s Control Room Is Open for Tourists

Who's up for a radioactive selfie?

Wolly Mammoth model at the Royal BC Museum

Plants & Animals

How Did the Pleistocene Support Such Large Herbivores?

How could the era have supported such massive herbivores?

Editors' Picks

Science & Technology

Convincing Peasants to Fly in the Soviet Union

With air-minded films, poems, and demonstrations, Soviet leaders sought to lift peasants out of their “backward” lives and into the world of the modern proletariat.

Politics & History

The Trouble with Reentry

Reentry of space junk in the 1970s forced First Nations communities into a reckoning with Cold War geopolitics and a burgeoning envirotechnical disaster.

Politics & History

Iran’s Protest Culture

A succession of authoritarian regimes birthed a strong tradition of collective action.

Arts & Culture

Tyler S. Sprague on the Intersection of Structure and Design

An interview with Tyler S. Sprague, a historian of the built environment whose work depends on multidisciplinarity and a deep knowledge of structure and materials.

Politics & History

How to be a Modern Autocrat

In the twenty-first century, dictators are less likely than their predecessors to use violence to suppress dissent, cultivating instead “informational autocracies.”

Chernobyl’s Control Room Is Open for Tourists

How Did the Pleistocene Support Such Large Herbivores?

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