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Vol. 207 No. 8
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More Stories from the August 1, 2025 issue

  1. Health & Medicine

    Personalized gene editing saved a baby, but the tech’s future is uncertain

    The personalized CRISPR treatment could be the future of gene therapy, but hurdles remain before everyone has access.

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  2. Climate

    Penguin poop gives Antarctic cloud formation a boost

    Penguin poop provides ammonia for cloud formation in coastal Antarctica, potentially helping to mitigate the impacts of climate change in the region.

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  3. Artificial Intelligence

    A new AI-based weather tool surpasses current forecasts

    The AI tool used machine learning to outperform current weather simulations, offering faster, cheaper, more accurate forecasts.

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  4. Chemistry

    A chemical in plastics is tied to heart disease deaths

    In 2018, over 350,000 excess heart disease deaths were linked to phthalates. More research is needed to fully understand the chemicals' effects.

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  5. Animals

    Preemptively cutting rhinos’ horns cuts poaching

    Comparing various tactics for protecting rhinos suggests that dehorning them drastically reduces poaching.

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  6. Archaeology

    Precolonial farmers thrived in one of North America’s coldest places

    Ancestral Menominee people in what’s now Michigan’s Upper Peninsula grew maize and other crops on large tracts of land despite harsh conditions.

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  7. Astronomy

    A dwarf galaxy just might upend the Milky Way’s predicted demise

    The Milky Way may merge with the Large Magellanic Cloud in 2 billion years, not Andromeda, contrary to previous findings.

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  8. Plants

    Putrid plants can reek of hot rotting flesh with one evolutionary trick

    Some stinky plants independently evolved an enzyme to take the same molecule behind our bad breath and turn it into the smell of rotting flesh.

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  9. Space

    A passing star could fling Earth out of orbit

    Simulations show that the star's tug could send Mercury, Venus or Mars crashing into Earth — or let Jupiter eject our world from the solar system.

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  10. Particle Physics

    Muons’ magnetism matches theory, easing an enduring physics conundrum

    A puzzle over muons’ magnetic properties could have broken the standard model. But the theory bounced back.

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  11. Animals

    How luna moths grow extravagant wings

    Warm temperatures, not just predator pressure, may favor luna moths’ long bat-fooling streamers, a geographic analysis of iNaturalist pics shows.

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  12. Physics

    How to get the biggest splash at the pool using science

    Move over belly flops and cannonballs. Manu jumps, pioneered by New Zealand’s Māori and Pasifika communities, reign supreme.

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  13. Anthropology

    Males of this ancient human cousin weren’t always bigger than females

    Molecular evidence from a 2-million-year-old southern African hominid species indicates sex and genetic differences in P. robustus.

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  14. Computing

    There’s no cheating this random number generator

    From jury duty to tax audits, randomness plays a big role. Scientists used quantum physics to build a system that ensures those number draws can’t be gamed.

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  15. Neuroscience

    ‘Silent’ cells play a surprising role in how brains work

    New studies show that astrocytes, long thought to be support cells in the brain, are crucial intermediaries for relaying messages to neurons.

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  16. Health & Medicine

    RSV wasn’t as hard on U.S. babies last winter. This may be why

    Two preventive tools — a maternal vaccine and a monoclonal antibody — were tied to a recent drop in RSV hospitalization rates for U.S. babies.

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  17. Health & Medicine

    Many U.S. babies may lack gut bacteria that train their immune systems

    Too little Bifidobacterium, used to digest breast milk, in babies' gut microbiomes can increase their risk of developing allergies and asthma.

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  18. Artificial Intelligence

    Does the AI industry operate like a modern colonial empire?

    In Empire of AI, journalist Karen Hao investigates OpenAI and the social and environmental costs of a multinational tech arms race.

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