2024-05-28 13:24:41动物植物
研究表明,乌鸦可以故意计划打多少电话

In a behavioral experiment, crows were able to learn to produce a set number of calls. This involves them planning in advance. From the sound of the first call in a numerical sequence, it is possible to predict how many calls the crows will make. A resear

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2024-05-28 13:14:37动物植物
热图显示,吸虫聚集在两栖动物身体的某些部位,往往会造成可怕的身体后果

Trematodes, also known as flukes, are a class of parasitic flatworms with intricate lifecycles. This makes them interesting to scientists, but they are also significant to both human health and wildlife conservation.

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2024-05-28 13:02:23动物植物
人工智能解决阻碍动物行为研究的冲突

Artificial intelligence software has been developed to rapidly analyze animal behavior so that behaviors can be more precisely linked to the activity of individual brain circuits and neurons, researchers in Seattle report.

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2024-05-28 12:51:12动物植物
新资源精确定位高粱植物细胞的内部工作原理,以设计更好的生物能源原料

Bioenergy sorghum is an important resource for the production of biofuels and bioproducts and a critical component of a sustainable agricultural future. Researchers have been working hard to make this tall, drought-tolerant plant even more productive and

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2024-05-28 12:40:35动物植物
材料科学家发现,沙漠蝗虫的下巴会磨得更锋利

Sharks lose teeth all their lives, replacing them in a kind of endless rotating Rolodex, while humans, of course, get only our two sets. Beavers' teeth, notoriously, grow all their lives and have to be worn down to prevent injury.

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2024-05-28 12:27:28动物植物
研究人员利用野生近亲的遗传特征,使更好的鹰嘴豆成为可能

A new study has revealed the potential of using wild crop relatives for chickpea improvement, paving the way for more advanced crops and greater global food security.

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2024-05-28 12:16:26动物植物
研究人员通过研究九头蛇的简单神经系统揭示了食欲的进化起源

Over the course of evolution, living organisms have gradually developed more complex nervous systems in order to coordinate increasingly complex sensory, motor and cognitive functions and to control the associated behavior.

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2024-05-28 12:01:59动物植物
科学家开发超高清分析RNA结构的技术

Scientists at the University of Nottingham have developed a technique to analyze the atomic-level structure of RNA molecules with exceptional precision and speed, and are the first in the world to use the method to examine structural changes in RNA when a

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2024-05-28 11:47:22动物植物
超高速软X射线观察哺乳动物细胞

Researchers have developed a new technique to view living mammalian cells. The team used a powerful laser, called a soft X-ray free electron laser, to emit ultrafast pulses of illumination at the speed of femtoseconds, or quadrillionths of a second.

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2024-05-28 11:32:36动物植物
关于生育能力的新发现:精子可以适应性传播的微生物

Researchers from Dresden University of Technology (TUD) and the University of Sheffield have discovered that male fertility can adapt to microbes. These findings shed new light on the importance of sperm ecology and might have significant implications for

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2024-05-28 11:20:58动物植物
重复:生物学家观察到,随着时间的推移,棒状昆虫不断发生进化变化

A long-standing debate among evolutionary scientists goes something like this: Does evolution happen in a predictable pattern or does it depend on chance events and contingency? That is, if you could turn back the clock, as celebrated scientist Stephen Ja

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2024-05-28 11:09:05动物植物
Abelisauroid,一种手臂非常小的恐龙,在阿根廷被发现

A team of paleontologists from Museo Argentino de Ciencias Naturales Bernardino Rivadavia, Consejo Nacional de Investigaciones Científicas y Técnicas and The Chinese University of Hong Kong, has identified a new species of abelisauroid dinosaur. They have

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