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Scientific American

Carbon dioxide levels in the atmosphere just hit a ‘depressing’ record high

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Babies may ‘catch’ yawns from their mother in the womb, new study finds

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Why some mathematicians think we should abandon pi

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Jeff Bezos’s Blue Origin moon lander completes a crucial test as race with SpaceX heats up

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Does a psychedelic trip change your brain? A new study offers a tantalizing clue

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A decade of research reveals harms of ‘fitspiration’ content online

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How scientists made the discoveries behind a game-changing gene therapy for sickle cell disease and won a $3-million Breakthrough Prize

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Humpback whales sometimes hang out with their mouth open, baffling scientists

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NASA just dropped more than 12,000 Artemis II photos—here’s how to see them

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How a Greenland shark’s heart can beat for centuries

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Supreme Court reinstates access to abortion drug mifepristone by mail

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School cell phone bans may boost student well-being—but not test scores, new study suggests

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Airborne microplastics could be making climate change worse

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Why NASA’s Artemis moon program could fall victim to SpaceX’s AI ambitions

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What you need to know about hantavirus, the infection at the center of a deadly cruise ship outbreak

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What we know—and what we don’t—about marijuana’s health effects

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How a vision-restoring gene therapy proved that we can treat inherited diseases

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Metallic scorpion stingers, preeclampsia hope, canceled wind energy projects

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The Eta Aquarid meteor shower peaks tonight—here’s how to get the best view

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Key U.S. science panels are being axed—and others are becoming less open

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Why the FDA rejected a ‘breakthrough’ melanoma drug

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Do octopus brains work like humans’—or is there another way to be smart?

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A SpaceX rocket booster may be on track to hit the moon in August

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Watch NASA test its new X-59 jet designed to go faster than the speed of sound

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A third of U.S. adults don’t get enough sleep, new CDC report warns

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US lawmakers vote to cut science spending—but reject Trump’s sweeping reductions

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The spring migration of birds is peaking. Here’s how to watch

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What is the Kardashev scale, and can we climb it?

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What is the AI compute crunch, and why are AI tools hitting usage limits?

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‘Spectacular’ Viking coin hoard discovery is likely the largest in history

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Trump, ibogaine and the science behind the psychedelics boom in the U.S.

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At shadow climate summit on phasing out fossil fuels, scientists are center stage

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Scientists just discovered what is fueling cows’ potent burps

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Trump withdraws wellness influencer and MAHA activist Casey Means as surgeon general nominee

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Scientists use AI to test whether life can run on only 19 amino acids

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The effort to rescue ‘Timmy’ the humpback whale just took a risky turn

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JWST discovers ‘red monster’ galaxy that challenges astronomers’ understanding of the early universe

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Pioneering geneticist and decoder of the human genome J. Craig Venter dies at age 79

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Infamous geneticist and decoder of the human genome J. Craig Venter dies at 79

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Should schools limit kids’ screen time? The science is murky

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What’s faster than light? Darkness

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Measles outbreaks can end, but the danger of the disease doesn’t

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A giant hailstorm just killed an emu at a Missouri zoo

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What happened after the fall of Rome? Ancient genomes offer new clues

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DOJ indicts former Fauci adviser David Morens on charges related to COVID pandemic

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What you eat for lunch could influence your immune system just hours later

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Chanda Prescod-Weinstein connects physics, poetry and pop culture

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NASA chief Jared Isaacman hints at campaign to make Pluto a planet again

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City birds appear more afraid of women than men, and scientists have no idea why

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Humanity may be doomed to die in nuclear war—unless we act soon, physicist David Gross says

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