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1. What is a presumed sign of life doing on a dead comet?08:00 [-/+]
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| Touted as a “biosignature” on an alien planet, dimethyl sulfide also seems to arise in banal ways | ↑ |
2. AI transcription tools ‘hallucinate,’ too07:00 [-/+]
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| Study finds surprisingly harmful fabrications in OpenAI’s speech-to-text algorithm | ↑ |
3. Where do elbows and knees come from? Biologists track them back to our boneless, sharklike ancestorsЧт, 25 апр [-/+]
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| Joints in jaws and limbs, once thought to have evolved for life on land, turn out to date back much earlier, to sharks and their relatives | ↑ |
4. The U.S. government is taking action to stop ‘cow flu.’ Is it too little, too late?Чт, 25 апр [-/+]
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| Genetic evidence suggests cattle infections with H5N1 began in the fall of 2023 and may occur far more widely than has been reported | ↑ |
5. News at a glance: Plants’ tree of life, conserving U.S. federal lands, and entertaining invertebrate sentienceЧт, 25 апр [-/+]
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| The latest in science and policy | ↑ |
6. Traffic noise causes lifelong harm to baby birdsЧт, 25 апр [-/+]
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| Finches exposed to the sound of cars grew slower and had fewer offspring | ↑ |
7. A gene mutation turned these fish into intrepid explorersЧт, 25 апр [-/+]
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| That behavioral change could explain the remarkable diversity of cichlid fish in Africa’s Lake Tanganyika | ↑ |
8. Can science find ways to ease loneliness?Чт, 25 апр [-/+]
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| The health risks of social isolation and loneliness are inspiring government action and a hunt for effective interventions | ↑ |
9. Diamonds grown without extreme pressuresСр, 24 апр [-/+]
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| Tiny crystals grown within molten metals at atmospheric pressure | ↑ |
10. Scientists repot flowering plants’ tree of life—and find it has tangled rootsСр, 24 апр [-/+]
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| The most comprehensive look at genetic differences among flowering plants suggests ancient interbreeding confounded relationships between dogwoods and blueberries, among others | ↑ |
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