2024-06-11 13:39:39动物植物
微小的蛔虫在假蝎的保护层内开辟出独特的寄生生态位

The early worm gets the arachnid, fossil research by an Oregon State University scientist has shown. In a parasitic first, a Baltic amber specimen has revealed that millions of years ago, tiny worms known as nematodes were living inside of and feeding on

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2024-06-11 13:28:21动物植物
新溶酶体转运蛋白的结构和功能揭示

Researchers have revealed the structure and function of a previously unknown lysosome transporter. The groups of Christian Löw (CSSB, EMBL Hamburg), Markus Damme (Christian-Albrechts-University Kiel), and Bruno Gasnier (CNRS and Universit&eac

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2024-06-11 13:16:38动物植物
问答:研究揭示了肠道的真正干细胞,挑战了之前的假设

Two independent studies by Columbia scientists suggest that research into the gut's stem cells over the past 15 years has been marred by a case of mistaken identity: Scientists have been studying the wrong cell.

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2024-06-11 13:05:59动物植物
热带气旋频率的增加可能会对海鸟种群造成致命后果

The increase in tropical cyclone frequency and intensity due to climate change could lead to dramatic declines in seabird populations, suggests a paper published in Communications Earth & Environment. The authors' conclusion is based on the impac

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2024-06-11 12:53:35动物植物
你怎么知道鱼去哪儿了?科学家解决海洋动物追踪数据的空白

When scientists want to study the long-distance movement of marine animals, they will instrument them with a small device called an acoustic transmitter—or tag—which emits unique signals or "pings." These signals are picked up by receivers ancho

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2024-06-11 12:40:15动物植物
研究表明,海洋蓝藻通过膜纳米管进行交流

Three years ago, María del Carmen Muñoz, a researcher at the University of Cordoba, was peering into an electron microscope to study the vesicles of marine cyanobacteria and found, almost accidentally, something she did not expect: structures that, althou

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2024-06-11 12:28:26动物植物
研究表明,用表扬和抚摸来奖励狗狗有助于它们更有效地学习

Dogs' learning success is enhanced when they are not only rewarded with food, but also praised and petted for their good performance, according to a new study by researchers from the Department of Ethology at ELTE Eötvös Lorá

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2024-06-11 12:14:26动物植物
一场激烈的战斗正在我们脚下的土壤中进行,对全球变暖的影响可能是巨大的

As humanity continues to burn fossil fuels, the delicate balance of life on Earth is changing. That's true of trees, many of which are growing faster as a result of increased carbon dioxide (CO₂) concentrations in our atmosphere.

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2024-06-11 12:01:43动物植物
科学家发现细胞周期在纤毛形成中的新作用

The awe-inspiring process of cell division can turn a fertilized egg into a baby—or a cancerous cell into a malignant tumor. With so much at stake, nature keeps it tightly controlled in a process called the cell cycle that scientists thought they thorough

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2024-06-11 11:47:30动物植物
鱼出水:溪鱼胚胎如何适应其发育

The annual killifish lives in regions with extreme drought. A research group at the University of Basel now reports in Science that the early embryogenesis of killifish diverges from that of other species. Unlike other fish, their body structure is not pr

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2024-06-11 11:34:13动物植物
研究发现,与独自游泳的人相比,鱼群在湍流中消耗的能量更少

Swimming through turbulent water is easier for schooling fish compared to solitary swimmers, according to a study published June 6 in the open-access journal PLOS Biology by Yangfan Zhang of Harvard University, Massachusetts, US, and colleagues.

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2024-06-11 11:21:05动物植物
计算机模型展示了对社交距离的渴望改善了鸽子的飞行路线

A new study conducted by Dr. Edwin Dalmaijer, a cognitive neuroscientist at the University of Bristol, UK, looked at the social influences on pigeon flight routes. Comparing the flight patterns of pairs of pigeons to a computer model, the researcher found

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