Careful planning and analysis are part of trying to reduce the chance of a false-positive finding. Arnon Mungyodklang/iStock via Getty Images Plus
Books

Absence of evidence is not evidence of absence – and that...

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Smoke rises following an Israeli airstrike in the village of Teir Debba in southern Lebanon on Nov. 6, 2025. AP Photo/Mohammad Zaatar
culture

A year on, the Israeli-Lebanese ceasefire looks increasingly fragile − could...

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There are fewer than 100 speakers of the Arapaho language today. Mark Makela/GettyImages
Art

A database could help revive the Arapaho language before its last...

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Naloxone competes with opioids for the same receptor on the surface of neurons. Matt Rourke/AP Photo
Health

How does Narcan work? Mapping how it reverses opioid overdose can...

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ChatGPT has become the go-to app for hundreds of millions of people. AP Photo/Kiichiro Sato
Computer

The ChatGPT effect: In 3 years the AI chatbot has changed...

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Sea-level rise changes coastlines, putting homes at risk, as Summer Haven, Fla., has seen. Aerial Views/E+/Getty Images
Environment

Sea level doesn’t rise at the same rate everywhere – we...

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Propulsion technology helps rockets get off the ground. Joel Kowsky/NASA via AP
Business

AI is making spacecraft propulsion more efficient – and could even...

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Pennsylvania is home to a diverse range of wild mushrooms, both edible and poisonous. Vaivirga/iStock/Getty Images Plus
Business

Mid-Atlantic mushroom foragers collect 160 species for food, medicine, art and science

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Hollywood screenwriter Samuel Ornitz speaks before the House Un-American Activities Committee in Washington, D.C., on Oct. 29, 1947. UPI/Bettmann Archive via Getty Images
culture

First Amendment in flux: When free speech protections came up against...

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