2025-03-15 06:36:28动物植物
为什么熊猫不多吃肉?竹子中发现的分子可能是它们以植物为基础的饮食背后的原因

Giant pandas have digestive systems that are typical for carnivores. Yet, bamboo is their main source of food. They have evolved several features; for example, pseudo thumbs to grasp bamboo and flat teeth that are well suited for crushing it, that make it

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2025-03-15 06:24:23动物植物
犹他州的挖掘现场揭示了蛋壳化石的多样性增加

A team of biological, Earth and environmental scientists from North Carolina State University, Stellenbosch University and the University of Minnesota has found new types of ancient eggshells in the Mussentuchit Member in Utah. Their study is published in

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2025-03-15 06:11:54动物植物
一个亟待解决的问题:如何拯救太浩湖的一片原始森林

On the shores of Lake Tahoe at Emerald Bay State Park grows what some consider to be the most iconic old-growth forest in the Lake Tahoe Basin. Giant ponderosa pines—some of the last remaining in the area—share space with at least 13 other tree species.

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2025-03-15 05:59:53动物植物
科学家发现,当鸟类失去飞行能力时,它们的身体变化比羽毛更快

More than 99% of birds can fly. But that still leaves many species that evolved to be flightless, including penguins, ostriches, and kiwi birds. In a study in the journal Evolution, researchers compared the feathers and bodies of different species of flig

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2025-03-15 05:46:44动物植物
当蛋白质罢工时:酵母菌落揭示了生命中一些最基本过程中隐藏的作用

A basic business principle is that no worker is irreplaceable; that also holds true for most proteins, the cellular factory workers of our bodies. If we fire a protein—that is, permanently delete it from our genome using genetic engineering—the cell will

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2025-03-15 05:36:43动物植物
基因转换可以帮助控制贫瘠土壤中的叶片生长

A new study has identified a genetic circuit in plants that controls individual leaf growth and allows the plants to adapt to their environment. The findings could help the development of more drought-resistant crops.

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2025-03-15 05:22:49动物植物
深度学习框架推进空间转录组学中的组织分析

Biological tissues are made up of different cell types arranged in specific patterns, which are essential to their proper functioning. Understanding these spatial arrangements is important when studying how cells interact and respond to changes in their e

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2025-03-15 05:12:27动物植物
一种控制微生物群体基因表达的新方法

The ability to control gene expression across a wide range is crucial for many fields, including bioengineering, disease detection, and environmental monitoring. Research led by Lingchong You, Ph.D., professor of biomedical engineering and molecular genet

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2025-03-15 04:58:02动物植物
开创性的猫胚胎干细胞可以改变兽医再生医学

As different as they may seem, humans and cats have similar ailments, but in terms of health care, veterinary regenerative medicine is not as advanced. A possible solution rests in embryonic stem cells, which can differentiate into various types of cells

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2025-03-15 04:47:47动物植物
增强的土壤细菌显示出可持续生物塑料生产的前景

The soil bacterium Cupriavidus necator has attracted the attention of researchers and industry for decades. This is partly because, through biochemical reactions, the bacterium converts the renewable raw materials formic acid and carbon dioxide (CO2) into

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2025-03-15 04:36:32动物植物
以羽毛鸟类为重点的保护可能会产生喜忧参半的结果

Conservation strategies are turning back the doomsday clock in threatened Florida-Scrub Jays—but not without caveats, a new study published in Current Biology shows.

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2025-03-15 04:23:07动物植物
Phoenix Fluor 555:超耐光荧光分子揭示了细胞内蛋白质的隐藏动力学

A research team at POSTECH (Pohang University of Science and Technology) has successfully developed a super-photostable organic dye after two years of dedicated research. Their study is published in the journal Nature Methods.

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