2024-06-06 18:03:40动物植物
化石显示德克萨斯海岸有已灭绝的剑齿猫

Important scientific finds don't always come in the biggest, buzziest packages. Sometimes new discoveries come in little ugly rocks. Such is the case of a 6-centimeter-wide, nondescript mass of bone and teeth that helped a scientist at The University of

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2024-06-06 17:53:34动物植物
研究表明,杜鹃的进化看起来像它们的宿主,并在这个过程中形成新的物种

The theory of coevolution says that when closely interacting species drive evolutionary changes in each other this can lead to speciation—the evolution of new species. But until now, real-world evidence for this has been scarce.

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2024-06-06 17:41:53动物植物
大规模化石发现终于揭示了威尔士龙的起源

A large fossil discovery has helped shed light on the history of dinosaurs in Wales. The find is reported in Proceedings of the Geologists' Association.

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2024-06-06 17:30:27动物植物
津巴布韦新发现的恐龙Musankwa sanyatiensis

Fossils found on the shoreline of Lake Kariba in Zimbabwe represent a completely new dinosaur species. This remarkable find, named Musankwa sanyatiensis, marks only the fourth dinosaur species named from Zimbabwe. The research detailing this significant d

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2024-06-06 17:16:02动物植物
新型修饰CRISPR蛋白可嵌入用于基因治疗的病毒内部

Researchers have developed a novel version of a key CRISPR gene-editing protein that shows efficient editing activity and is small enough to be packaged within a non-pathogenic virus that can deliver it to target cells. Hongjian Wang and colleagues at Wuh

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2024-06-06 17:05:43动物植物
追踪蕨类植物令人惊讶的甜味防御策略的演变

Plants and the animals that eat them have evolved together in fascinating ways, creating a dynamic interplay of survival strategies. Many plants have developed physical and chemical defenses to fend off herbivores. A well-known strategy in flowering plant

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2024-06-06 16:50:48动物植物
失踪的拼图:阿拉伯半岛一种引人注目的新蛇种

Researchers have discovered a new distinctive and secretive snake species in the Hejaz region of Saudi Arabia.

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2024-06-06 16:38:35动物植物
三种现代棉花品种的新基因组工具可能指导未来的育种工作

We live in an ever-changing and growing world. Changing climates, emerging pests, and other environmental stressors put pressure on the cash crops that feed and fuel the world. As we race to meet the growing demand for sustainable and high-quality food an

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2024-06-06 16:25:57动物植物
一项新的研究表明,矿山污染河流中的鳟鱼在基因上是“孤立的”

Trout living in rivers polluted by metal from old mines across the British Isles are genetically "isolated" from other trout, new research shows. The work appears in Diversity and Distributions.

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2024-06-06 16:14:58动物植物
世界上最强大的抗真菌化学物质会导致真菌病原体自毁

Scientists have discovered that the most widely-used class of antifungals in the world causes pathogens to self-destruct. The University of Exeter-led research could help improve ways to protect food security and human lives.

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2024-06-06 16:02:49动物植物
是什么造就了奥特亚的“好农民”?

In New Zealand, farmers and the largely urban general public are held to have differing views on what is meant by being a "good farmer." Anecdotally, farmers see themselves as stewards of the land for future generations, using management practic

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2024-06-06 15:52:21动物植物
西伯利亚发现的一具先前未知的中型兽脚亚目恐龙的部分骨骼

Study of a partial skeleton found embedded in a rock has resulted in the discovery of a new species of dinosaur. Using a variety of technology and techniques, researchers affiliated with several institutions in the Russian Federation found that the fossil

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