Scientific American

Scientific American

Awesome discoveries. Expert insights. Science that shapes the world.

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Artificial intelligence systems are coming up with experiments—good experiments—that physicists hadn't imagined.

As scientists and clinicians continue to delineate the “long-haul” course of COVID, policy makers and planners must anticipate and prepare for the impact of this new cause of disability.

Most people in the poorest countries will need to wait another two years before they are vaccinated against COVID-19.

Narwhal tusks record decades of environmental information and clearly show a changing Arctic, researchers report.

Researchers are taking a closer look at warp drives from "Star Trek"—and bringing the idea a little closer to reality.

More than 1 billion sea creatures along the Vancouver coast were cooked to death during a record-breaking heat wave in the Pacific Northwest.

No spelling out of letters is needed for a paralyzed person to use this first-of-a-kind neuroprosthesis.

A hydropower plant in operation since 1967 will likely shut down, for the first time, because there's just not enough water.

Studies of extreme ecosystems on Earth can guide the search for Martian life and may reveal the fundamental limits of biology. (By @bananapalmtree )

When 21-year-old American star sprinter Sha’Carri Richardson was disqualified from the Summer Olympic Games in Tokyo after a positive marijuana test, it left many asking, “Should cannabis use by athletes be prohibited?”


Scientific American has never endorsed a presidential candidate in our 175-year history—until now. The 2020 election is literally a matter of life and death. We urge you to vote for health, science and Joe Biden for President.

The evidence and the science show that Donald Trump has badly damaged the U.S. and its people—because he rejects evidence and science. The most devastating example is his willfully ignorant response to the COVID-19 pandemic, which cost more than 190,000 Americans their lives.

Editorial: Instead of thinking about whether to vote Democratic or Republican in the upcoming U.S. election, think about voting to protect science instead of destroying it.

More than 200 scientists have outlined evidence that they say shows the novel coronavirus can spread in tiny airborne particles, urging the @WHO  to update its guidance. Read our story on what we know so far about airborne transmission of SARS-CoV-2.

COVID-19 can wreck your heart, even if you haven't had any symptoms

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In Opinion Stop using phony science to justify transphobia. Actual research shows that sex is anything but binary

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Joe Biden will soon be president of the United States, and scientists the world over are breathing a collective sigh of relief.