Pure Science

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xAI’s gas turbines get official approval from Memphis, Tennessee, even as civil rights groups prepare to sue over alleged Clean Air Act violations.

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RFK Jr.’s vaccine advisory board could stop recommending some routine childhood immunizations, leaving insurers to decide whether to still cover them. For now, most are remaining tight-lipped.

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Commuting to Concordia research station in Antarctica takes days—it’s more remote than the International Space Station. Here’s how to get there.

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The World Health Organization has added the variant, known formally as XFG, to its monitoring list. A dry, irritated throat is among its main symptoms.

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President Donald Trump’s budget would kill off tax credits for wind and solar, raising costs for new clean energy projects and blowing up valuable investment in those already in the pipeline.

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A new proof illuminates the hidden patterns that emerge when addition becomes impossible.

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Even America’s richest farmlands can’t outrun climate collapse. That’s everyone’s problem.

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This research could represent the first documented case of paracetamol production from plastic waste using E. coli bacteria.

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What would it take to run a cable from the ISS to Earth? Depends how fast you want the Earth to rotate.

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Records of hundreds of emergency calls from ICE detention centers obtained by WIRED—including audio recordings—show a system inundated by life-threatening incidents, delayed treatment, and overcrowding.

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The Exploration Company lost contact with its “Mission Possible” vehicle a few minutes before touchdown in the ocean.

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The versatile cannabis plant could, some scientists think, one day be useful for lunar and Martian colonists. For now, researchers will subject its seeds to radiation in orbit and see what happens.

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The Vera C. Rubin Observatory is poised to discover billions of new astronomical objects, revolutionizing understanding of everything from the history of the solar system to the workings of dark energy.

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Remote-sensing data and artificial intelligence are mapping the most heat-vulnerable buildings in cities like Delhi, in an effort to target relief from extreme temperatures at a granular level.

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From living matter to molecules to elementary particles, the world is made of “chiral” objects that differ from their reflected forms.

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New data from a Phase 3 trial show that the daily anti-obesity pill may be as safe and effective as drugs like Mounjaro and Ozempic for weight loss and lowering blood sugar.

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The International Energy Agency estimates that 70 percent of the fossil fuel sector’s methane emissions could be cut with existing technologies—many of which would save polluters money.

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As ultra-long-haul routes take flight, plane-lighting hacks and meal planning could help passengers recover faster.

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SpaceX CEO Elon Musk suggested on X that a high-pressure nitrogen tank failure was behind the explosion of the company's massive Starship rocket.

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Clinical trials have shown that six-monthly injections of lenacapavir are almost 100 percent protective against becoming infected with HIV. But big questions remain over the drug’s affordability.

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A growing body of research attempts to put a number on energy use and AI—even as the companies behind the most popular models keep their carbon emissions a secret.

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President Donald Trump has supported use of asbestos in the past and blamed the mob for its bad reputation.

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In United States v. Skrmetti, the Supreme Court ruled that Tennessee’s ban on gender-affirming care for minors was not unconstitutional—the first case of its kind on which the court has ruled.

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A new study reveals the key lies not in the production of a regrowth molecule, but in that molecule's controlled destruction. The discovery could inspire future regenerative medicine.

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Jules Gill-Peterson doesn’t want to fight for trans joy. She wants to fight for what trans people really need: resources, hormones, and surgery. Her latest arena? The US Supreme Court.

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An investigational drug developed by Eolo Pharma is showing promise in animal experiments and an early human trial. It could eventually be an alternative or add-on to popular GLP-1 medications.

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Recent flybys of the fiery world refute a leading theory of its inner structure—and reveal how little is understood about geologically active moons.

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Facilities that make wood pellets have a track record of catching alight. Yet there are plans to build several near Yosemite’s tinderbox forests.

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According to physics, any blanket can cool you—for a few minutes. But a real cooling blanket is possible with phase-change materials.

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The Tianwen-2 probe has sent a self-portrait as it heads toward one of the most enigmatic objects in our space neighborhood: the quasi-moon Kamo’oalewa.

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Robert Malone, a mainstay in conspiratorial circles, and Martin Kulldorff, a coauthor of the widely criticized Great Barrington Declaration, are two of the most concerning picks.

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House Democrats sent letters to the potential buyers of the genetic testing company, asking how they plan to protect customer genetic data under a change of ownership.

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"The EPA is trying to get out of the climate change business,” says one expert.

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A neural network trained with simulations of supermassive black holes has found that the one at the center of the Milky Way, Sagittarius A*, likely rotates at maximum speed.

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An AI-related provision in the “Big Beautiful Bill” could restrict state-level legislation of energy-hungry data centers—and is raising bipartisan objections across the US.

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So-called “less-lethal” weapons like those that have been used against demonstrators in Los Angeles can cause severe, lasting harm like nerve or brain damage or blindness. They can also kill.

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Outro, which is now available in seven states, wants to help people taper off antidepressants without experiencing debilitating side effects.

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La variante de covid NB.1.8.1 presenta mutaciones específicas que podrían aumentar su capacidad de transmisión y disminuir parcialmente la eficacia neutralizante de ciertos anticuerpos.

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A novel suggestion that complexity increases over time, not just in living organisms but in the nonliving world, promises to rewrite notions of time and evolution.

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Beyond the jokes about its new shuttle service are serious questions about what it will mean for struggling transit systems, air quality, and congestion.

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Here’s how to find reliable information and keep safe during the summer heat and hurricane season following the unprecedented cuts at federal agencies.

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A study claimed that people who eat high-fat, low-carb diets weren’t seeing their arteries fill up with plaque, despite having high levels of blood cholesterol. Critics disagreed—and all hell broke loose.

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Researchers estimate that MoM z14 was created 280 million years after the Big Bang, 10 million years earlier than the previous most primitive galaxy recorded.

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Paradromics, a brain-computer interface startup, inserted its brain implant in a person—briefly—in an early test of its technology.

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Rose Yu has drawn on the principles of fluid dynamics to improve deep learning systems that predict traffic, model the climate, and stabilize drones during flight.

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US renewables stand to lose big in a trade war, but the sting extends to oil and other energy industries, say researchers from Wood Mackenzie.

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According to physics, one burns more calories than the other—and the winner might surprise you.

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Off-world agriculture has long seemed experimental, but that could soon change thanks to a collaboration between design firm Heatherwick Studio and the space architecture nonprofit Aurelia Institute.

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Unlike in recent tests, SpaceX’s ninth Starship survived launch, but a fuel tank leak meant it lost control before it could complete its objectives.

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Anna’s hummingbirds have evolved to have longer, larger beaks to access backyard feeders in urban areas. It could be a step toward becoming a “commensal” species that lives alongside humans, like pigeons.