Key Highlights
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A new modeling study of Kaptai Lake in Bangladesh shows its food web is linear and dominated by small fish, making it vulnerable to collapse from overfishing. This provides a clear warning that current fishing pressure is unsustainable and that ecosystem-based management is urgently needed to protect the lake’s future.
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Grassland plants that are less common can be more resistant to drought because they send more carbon and nutrients to their roots and soil microbes. This finding helps explain how diverse plant communities can maintain healthy soil and carbon cycles even during dry spells.
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A massive analysis of Chinese farmland shows that different types of soil carbon respond to fertilizer at different speeds, with a quick-responding pool peaking after 23 years and a more stable pool only starting to build after 28 years. This reveals a “carbon timer” in soil, guiding farmers on how to time fertilizer use for maximum climate and soil health benefits.
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Researchers have created the first lab-grown line of cells that can be triggered to grow hundreds of tiny hair-like structures called cilia, which are essential for moving fluids in our lungs and brain. This new tool lets scientists watch the entire process in detail and has already identified a key protein, CDK7, that controls cilia growth in both frogs and humans.
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A new population model that accounts for the “fear” spotted owls have of their invasive competitor, the barred owl, shows that culling barred owls from about 40% of their territory each year could reverse the spotted owl’s decline. This provides a specific, science-based target for conservation managers trying to save the threatened northern spotted owl.
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