2024-03-18 16:26:20动物植物
大多数雄性哺乳动物并不比雌性大:对400多个物种的新分析

New research is cutting male mammals down to size.

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2024-03-18 16:26:18动物植物
新发现的巨龟化石以斯蒂芬·金的小说人物命名

An international research team led by Dr. Gabriel S. Ferreira from the Senckenberg Center for Human Evolution and Paleoenvironment at the University of Tübingen has described a new species of giant turtle from the late Pleistocene.

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2024-03-18 16:26:05动物植物
全球团队发现,森林和溪流栖息地保持能量交换平衡

Forests and streams are separate but linked ecosystems, existing side by side, with energy and nutrients crossing their porous borders and flowing back and forth between them. For example, leaves fall from trees, enter streams, decay and feed aquatic inse

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2024-03-18 16:26:03动物植物
对其新陈代谢的新研究有助于保护阿拉斯加濒危的白鲸

New data provided by studying the beluga whales at Georgia Aquarium helps close a key information gap about how much food these whales need to thrive. The information will inform important management decisions for their counterparts in Alaska's Cook Inle

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2024-03-18 16:26:01动物植物
控制医用大麻生产的先进分析技术

To facilitate the use of cannabis in the medical field, researchers from the IBeA group of the UPV/EHU have developed a rapid analytical technique for the strict control of the growth of cannabis plants. The plants have been classified according to cannab

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2024-03-18 16:25:54动物植物
热带鸟类对气候变暖的耐受能力强于预期

Consider the globe, spinning silently in space. Its poles and its middle, the equator, remain relatively stable, thermally speaking, for the duration of Earth's annual circuit around the sun. The spaces between—Earth's temperate zones—experience seasons

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2024-03-18 16:25:51动物植物
研究表明,气味训练可以让宠物狗表现得更好

Scent training could make pet dogs better behaved, suggests a study by Aberystwyth University academics published in Animals.

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2024-03-18 16:25:49动物植物
新的更简单、更具成本效益的取证测试有助于识别触摸DNA

Television dramas like CSI and NCIS make criminal investigations look easy. In real life, DNA testing can be challenging and requires expensive equipment, special facilities, and extensive training to identify DNA from a crime scene and determine which be

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2024-03-18 16:25:45动物植物
用正强化训练奶牛可以将原本紧张的事件变成现实

Dairy cows receive a huge amount of care during their lives on a farm, but procedures, especially restraining during procedures, can be stressful for some animals. Positive reinforcement training—or training with a reward to achieve a desired behavior—has

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2024-03-18 16:25:37动物植物
研究表明,多样化的栖息地有助于鲑鱼抵御不可预测的气候变化

Restored salmon habitat should resemble financial portfolios, offering fish diverse options for feeding and survival so that they can weather various conditions as the climate changes, a new study shows.

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2024-03-18 16:25:33动物植物
研究人员揭示噬菌体衍生蛋白AcrIIA15的双重功能机制

In response to the efficient attacks of the host CRISPR-Cas system, bacteriophages have evolved various resistance strategies, including encoding anti-CRISPR (Acr) proteins. Since their initial discovery in 2013, over a hundred Acr proteins have been iden

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2024-03-18 16:25:31动物植物
真菌毒素研究有望为白色念珠菌感染提供新的治疗途径

The toxin candidalysin of the yeast Candida albicans is incorporated into an unusual protein structure during an infection, the composition of which has so far been unknown to scientists. Researchers at the Leibniz-HKI have now succeeded in deciphering th

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