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A study estimates that 200 million trees in the tropics are mowed down by lightning annually.
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Here are some brief reports about science and technology from all over, including one from Antarctica about how there’s something funny about penguin poop.
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Every year, Alaska’s big salmon runs feature smaller salmon. Climate change and competition with hatchery-raised salmon may be to blame. Julia Rosen reports.
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That drought may have brought about societal shifts in the region 5,000 years ago. Christopher Intagliata reports.
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The finding could potentially help wildlife managers keep better tabs on their herds. Jason G. Goldman reports.
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Researchers found extra bones within a 240-million-year-old ichthyosaur fossil—which they determined to be the ichthyosaur’s last, possibly fatal meal. Christopher Intagliata reports.
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Butterflies, fish and frogs sport rear-end eyespots that reduce predation. Painting eye markings on cows similarly seems to ward off predators.
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Hermit warblers in California have developed 35 different song dialects, apparently as a result of wildfires temporarily driving them out of certain areas.
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Scientists determined that “lava world” exoplanets do not derive their brightness from molten rock but possibly get it from reflective metallic clouds. Christopher Intagliata reports.
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Climate change is expected to bring more frequent droughts and heat waves to Africa’s Kalahari Desert. And aardvarks might not be able to cope. Jason G. Goldman reports.
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