2024-07-13 21:06:32动物植物
历史表明,人类对生物多样性有益……有时

Humans have been an important driver of vegetation change over thousands of years, and, in some places, had positive impacts on biodiversity, according to a new study.

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2024-07-13 20:53:18动物植物
社会传染研究探讨蚁群如何调节群体行为

In the world of social creatures, from humans to ants, the spread of behaviors through a group—known as social contagion—is a well-documented phenomenon. This process, driven by social imitation and pressure, causes individuals to adopt behaviors observed

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2024-07-13 20:40:35动物植物
进化生物学家研究植物抗寒专家如何适应环境

Plant cold specialists like the spoonworts have adapted well to the cold climates of the Ice Ages. As cold and warm periods alternated, they developed a number of species that also resulted in a proliferation of the genome.

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2024-07-13 20:27:19动物植物
在乌干达的一个公园里,狮子们穿越1.5公里长的水域,危险地寻找配偶

Domestic cats will do almost anything to avoid contact with water. Not so for their wild cousins, though. Lions, tigers and jaguars have had to adapt to water and sometimes take the plunge for survival.

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2024-07-13 20:17:02动物植物
研究表明,孵化可以增加野生鲑鱼的数量,但会减少多样性

The ability of salmon hatcheries to increase wild salmon abundance may come at the cost of reduced diversity among wild salmon, according to a new University of Alaska Fairbanks–led study.

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2024-07-13 20:06:36动物植物
新的地质测年技术将130万年前伊比利亚半岛的第一批欧洲原始人定年

One of the most important controversies about human evolution and expansion is when and by what route the first hominids arrived in Europe from the African continent. Now, geological dating techniques at the Orce sites (Baza basin, Granada) place the huma

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2024-07-13 01:09:31动物植物
光合作用为我们的世界提供动力,但是什么推动了这一基本过程?

It's hard to overstate the importance of photosynthesis, the biochemical pathway by which plants, algae, and certain bacteria convert the sun's energy into the organic material that feeds the entire living biosphere. But there are still aspects of the p

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2024-07-13 00:55:20动物植物
研究探讨了黄松修复处理的长期影响

In 1996, a group of researchers from NAU's Ecological Research Institute (ERI) embarked on an ambitious mission to study restoration across 5,224 acres of dense ponderosa pine forests on the Arizona Strip, a dry region of northern Arizona located between

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2024-07-13 00:45:05动物植物
深挖——出土土壤微生物组的价值

Researchers in South Australia are digging deep into history of soil biology in the state to gain a better understanding of how the soil microbiome functions to ensure sustainable broadacre farming into the future.

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2024-07-13 00:32:22动物植物
问答:海藻——权衡许多健康益处和潜在风险

Seaweed, a staple in traditional diets across the globe, is now gaining recognition in the United States. UConn Department of Nutritional Sciences researchers, including Department Head Professor Ji-Young Lee and Assistant Research Professor Young-Ki Park

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2024-07-13 00:22:13动物植物
研究小组调查了化学修饰,以更深入地了解基因调控机制

University of North Carolina at Chapel Hill researchers have determined whether a specific chemical modification of a protein that packages the genome called a histone affects gene activity and cell proliferation, according to the paper, "Drosophila

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2024-07-13 00:07:14动物植物
研究发现南瓜病原体没有进化,这可能会对管理产生影响

The pathogen that causes bacterial spot is very good at what it does. Forming small lesions on the rinds of pumpkins, melons, cucumbers, and other cucurbits, it mars the fruits' appearance and ushers in secondary pathogens that lead to rot and severe yie

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