2025-04-19 22:29:24动物植物
到2100年,巴拉圭潘塔纳尔及其周边80%以上的两栖动物预计将失去合适的栖息地

A study published in the Journal of Applied Ecology shows that the Upper Paraguay River Basin, which includes the Pantanal and its surroundings, could lose almost all of the areas suitable for anuran amphibians (toads, frogs and tree frogs) by the end of

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2025-04-19 22:16:02动物植物
释放水稻的产量潜力:研究表明,三个基因是关键

A research team led by Dr. Li Yunhai from the Institute of Genetics and Developmental Biology of the Chinese Academy of Sciences (CAS) has uncovered a novel genetic mechanism that controls grain size and yield in rice, offering promising strategies to enh

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2025-04-19 22:01:28动物植物
沼泽地稳定性:优势物种和生物多样性起着至关重要的作用

Subalpine and boreal moorlands are ecosystems that contribute to climate stability by reducing excess carbon as well as acting to help regulate the climate—both invaluable properties in a time of advancing climate change. Therefore, understanding how to m

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2025-04-19 21:46:44动物植物
发现揭示了植物细胞中的特殊结构如何帮助调节光合作用

Purdue University scientists have discovered a key mechanism that regulates how plants develop chloroplasts, essential structures responsible for the photosynthesis that sustains life on Earth by producing oxygen and food.

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2025-04-19 21:35:07动物植物
珊瑚病和水质威胁着恢复工作

Coral diseases, particularly in the Caribbean, have caused major declines in coral populations, especially affecting staghorn (Acropora cervicornis) and Elkhorn (A. palmata) corals, which play a crucial role in reef ecosystems.

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2025-04-19 21:21:15动物植物
研究证实,即使少量的帕尔默苋菜也会威胁到沟灌水稻的产量

A recently published article in the journal Weed Science demonstrates just how devastating Palmer amaranth (Amaranthus palmeri) can be for furrow-irrigated rice production, even in small amounts. The findings show that successful, in-furrow rice productio

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2025-04-19 21:06:35动物植物
在气候变化中,座头鲸利用记忆来判断迁徙时间可能不太有效

A new study led by McGill University researchers indicates that humpback whales in the southeastern Pacific combine real-time environmental cues with their memories of conditions in their Antarctic feeding grounds to determine when to embark on their annu

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2025-04-19 20:52:57动物植物
野生土拨鼠的社交网络揭示了有争议的进化理论

It probably feels obvious that having a close friend can influence your well-being. But do the groups that you're a part of also affect your well-being? For example, does the culture of your work colleagues influence your productivity?

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2025-04-19 20:42:31动物植物
软骨和骨骼发育:骨骼形成的三条途径

In vertebrates, the skeleton of different regions of the body arises from different precursor cells. Researchers at the University of Basel have now discovered that these skeletal cells do not just differ in their developmental origin, but also in their g

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2025-04-19 20:32:07动物植物
澳大利亚北部发现蜘蛛世界的大师级建筑师

A team of scientists led by The University of Western Australia has discovered two new species of trapdoor spiders in the Kimberley region, marking the first time members of the species have been found in northern Australia.

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2025-04-19 20:19:35动物植物
关键血液防御受体CD163首次定位

CD163 might not be the most exciting name in the world, but behind it lies one of the body's most important defense receptors, which steps in when red blood cells break down and release harmful hemoglobin. Now, researchers at Aarhus University are the fi

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2025-04-19 20:07:59动物植物
基因树如电影:超越祖先的静止肖像

University of Michigan researchers have developed a statistical method that can be used for such wide-ranging applications as tracing your ancestry, modeling disease spread and studying how animals spread through geographic regions. Their results are publ

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