2024-06-21 00:31:51动物植物
在全球变暖的情况下,出汗的牛可能会提高粮食安全

Sweaty cows may not sound like the most exciting company, but in a warming world, researchers can't get enough of them. When cattle are too hot, they tend to stop eating, said Raluca Mateescu, University of Florida Institute of Food and Agricultural Scie

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2024-06-21 00:17:07动物植物
对缓步动物的永久基因编辑有助于揭示它们惊人的复原力

Some species of tardigrades are highly and unusually resilient to various extreme conditions fatal to most other forms of life. The genetic basis for these exceptional abilities remains elusive.

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2024-06-21 00:04:55动物植物
关键基因如何调节葡萄萜烯香气的研究

A study explores the ethylene-responsive gene VviERF003's influence on glycosylated monoterpenoid synthesis in grapes, which are pivotal for the fruity and floral notes in wines. Understanding this genetic regulation provides insights into how wine aroma

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2024-06-20 23:52:08动物植物
为什么一些植物病害在城市环境中肆虐

Rachel Penczykowski, an assistant professor of biology in Arts & Sciences at Washington University in St. Louis, and five WashU graduate and undergraduate students tracked infestations of powdery mildew on common broadleaf weeds. Their study, publ

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2024-06-20 23:39:31动物植物
研究不断变化的森林管理景观:研究人员采用人文方法

Around 40% of forested land in the United States is privately owned, and for agencies tasked with preserving the nation's natural resources, collaborations with private landowners are not just a vast opportunity, but a necessity.

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2024-06-20 23:24:51动物植物
研究表明,宾夕法尼亚州的私人森林所有者将火灾视为管理林地的工具

Fire can help shape ecosystems, and after a century of suppressing naturally occurring fire that has thrown forests out balance, some states—including Pennsylvania—are using controlled burns to help manage forests on public lands. Now, a new four-state st

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2024-06-20 23:12:34动物植物
研究揭示了复杂环境下入侵沉水植物如何影响沉积物氮循环

Removal of excess nitrogen is a critical step in the ecological restoration of eutrophic lakes. Microbially mediated dissimilatory nitrate reduction processes in lakes represent an important mechanism for nitrogen removal. However, lake ecosystems are fac

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2024-06-20 23:02:04动物植物
研究人员调查纽约食品市场上出售的濒危海参

After surveying food market retailers in three New York City Chinatown districts, Cornell researchers have found genetic evidence that some endangered species of sea cucumbers—considered a pricey but nutritious dried delicacy—are being sold to consumers.

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2024-06-20 22:48:45动物植物
研究发现,沿海水域的上表面会积聚细菌和抗生素

Antibiotics in the uppermost water surface, known as the sea surface microlayer, can significantly affect the number of bacteria present and contribute to the adaptation of marine bacteria against widely used antibiotics. In new research presented at ASM

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2024-06-20 22:37:56动物植物
人工智能使败血症的抗生素治疗更快、更有效

Sepsis is a life-threatening infection complication and accounts for 1.7 million hospitalizations and 350,000 deaths annually in the U.S. Fast and accurate diagnosis is critical, as mortality risk increases up to 8% every hour without effective treatment.

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2024-06-20 22:24:28动物植物
科学家警告称,海洋酸化将导致珊瑚礁衰退

The French Polynesian island Moorea is the most beautiful isle in the world, some say. Its lagoons are surrounded by reefs dominated by Porites corals.

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2024-06-20 22:14:27动物植物
镁是能使沙尘暴在寒冷的冬天生存下来的安眠药吗?

Magnesium compounds are a common ingredient of many remedies designed to help people wind down and escape the stresses of modern life. However, a new study has shown it is not only humans that are using forms of the chemical as a way to help them survive

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