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Vol. 207 No. 2
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cover of February Issue of Science News

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The Health Checkup

More Stories from the February 1, 2025 issue

  1. Health & Medicine

    Can you actually die of a broken heart?

    Death by heartbreak doesn't just happen in stories. In real life, severe stress can cause the sometimes-fatal takotsubo syndrome.

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  2. Animals

    Ethiopian wolves are the first large carnivores found to slurp nectar

    Wolves from three different packs were seen licking red hot poker flowers. That sweet tooth could make them the first known large predator pollinators.

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  3. Planetary Science

    NASA’s Perseverance rover found a new potential setting for Martian life

    Now atop Jezero Crater, the robotic explorer found quartz indicative of habitable environments and possibly the oldest rocks yet seen in the solar system.

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  4. Earth

    Scientists predict an undersea volcano eruption near Oregon in 2025

    Real-time data from Axial Seamount off the Oregon coast is providing researchers with a good eruption forecasting test.

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  5. Health & Medicine

    Lethal snake venom may be countered by new AI-designed proteins 

    The current way to produce antivenoms is antiquated. Experiments in mice suggest that an artificial intelligence approach could save time and money.

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  6. Anthropology

    Humans have linked emotions to the same body parts for 3,000 years

    3,000-year-old clay tablets show that some associations between emotion and parts of the body have remained the same for millennia.

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  7. Paleontology

    Humans, not climate change, may have wiped out Australia’s giant kangaroos

    About 40,000 years ago, giant kangaroos vanished Down Under. Dental analyses suggest a varied diet, meaning climate change was not the main cause.

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  8. Life

    The ‘Blob,’ an unprecedented marine heat wave, killed 4 million seabirds

    Millions of other animals may have perished too, suggesting the die-off event might be one of the worst in modern times.

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  9. Health & Medicine

    Is alcohol linked to cancer? Here’s what the science says

    A new U.S. Surgeon General's report describes the link between drinking alcohol and developing cancer. Many Americans aren’t aware of the risk.

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  10. Health & Medicine

    The spread of breast cancer may be inherited

    A variant of PCSK9, a gene involved in raising cholesterol, may spur metastasis. An approved antibody might stop it.

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  11. Neuroscience

    Electronic ‘tattoos’ offer an alternative to electrodes for brain monitoring

    A standard EEG test requires electrodes that come with pitfalls. A spray-on ink, capable of carrying electrical signals, avoids some of those.

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  12. Space

    A spacecraft duo will fly in formation to create artificial solar eclipses

    ESA’s Proba-3 mission will use one satellite to block out the sun for another satellite, bringing the sun’s middle corona into new focus.

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  13. Plants

    Meet a scientist tracking cactus poaching in the Atacama Desert

    Botanist Pablo Guerrero has been visiting Atacama cacti all his life. They’re not adapting well to a drier climate, booming mining and plant collection.

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  14. Earth

    Earth’s inner core may be changing shape

    Earthquake data suggest that all or small patches of the inner core's surface may be swelling and contracting.

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  15. Materials Science

    Starchy nanofibers shatter the record for world’s thinnest pasta

    The fibers, made from white flour and formic acid, average just 372 nanometers in diameter and might find use in biodegradable bandages.

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  16. Particle Physics

    Scientists are building underwater neutrino telescopes in the Mediterranean

    The KM3NeT telescopes, currently under construction, will catch high-energy neutrinos that could reveal secrets of the cosmos.

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  17. Animals

    Poop is on the menu for a surprising number of animals

    A new tally finds dozens of species giving food a second go-round, from babies boosting their microbiomes to adults seeking easier-to-access nutrition.

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  18. Genetics

    Neandertal genes in people today came from hook-ups around 47,000 years ago

    Most present-day humans carry a small amount of Neandertal DNA that can be traced back to a single period of interbreeding, two genetic analyses find.

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  19. Archaeology

    The oldest known ritual chamber in the Middle East has been found

    Engravings and other evidence suggest ancient humans attended religious ceremonies in the cave as early as 37,000 years ago.

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  20. Math puzzle: Imagine there’s no zero

    Solve the math puzzle from our February 2025 issue, based on the number system of mathematician James Foster.

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