2024-12-19 17:43:59动物植物
研究发现水生植被清除有益健康和经济

Turning aquatic vegetation near agricultural land into compost simultaneously eradicates habitat for disease-carrying snails while improving agricultural output and increasing incomes in northern Senegal, Cornell researchers have found.

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2024-12-19 17:33:56动物植物
被光蒙蔽:城市照明对海滩昆虫的影响

A group of international scientists—including two from the University of Plymouth and Plymouth Marine Laboratory (PML)—has developed a new method for examining the effects of artificial light at night (ALAN) on two sandy beach crustacean species.

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2024-12-19 17:20:53动物植物
巨型病毒编码细胞生命蛋白质制造机制的关键片段

Researchers at the University of Hawai'i at Mānoa have discovered that a virus, FloV-SA2, encodes one of the proteins needed to make ribosomes, the central engines in all cells that translate genetic information into proteins, the building blocks of life

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2024-12-19 17:07:16动物植物
加利福尼亚州记录的食肉松鼠

A ground squirrel with cheeks stuffed with nuts, seeds or grains is a common sight. But a new study provides the first evidence that California ground squirrels also hunt, kill and eat voles. The study, led by the University of Wisconsin-Eau Claire and Un

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2024-12-19 16:54:06动物植物
研究揭示了坏细菌如何引发痛苦的肠道收缩

After a meal of questionable seafood or a few sips of contaminated water, bad bacteria can send your digestive tract into overdrive. Your intestines spasm and contract, efficiently expelling everything in the gut—poop and bacteria alike.

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2024-12-19 16:39:18动物植物
建立骨干:科学家在实验室中重建人体的“GPS系统”

Scientists at the Francis Crick Institute have generated human stem cell models which, for the first time, contain notochord—a tissue in the developing embryo that acts like a navigation system, directing cells where to build the spine and nervous system

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2024-12-19 16:25:20动物植物
科学家见证了两种蜥蜴首次相遇时的进化

In South Florida, two Caribbean lizard species met for the first time. What followed provided some of the clearest evidence to date of evolution in action.

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2024-12-19 16:14:39动物植物
座头鲸幼崽的录音揭示了它们向母亲发出的声音

A team of marine biologists, zoologists, and cetologists from Université Paris-Saclay, Université d'Antananarivo and Ambodiforaha Sainte Marie has learned more about the ways baby humpback whales and their mothers communicate.

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2024-12-19 16:03:43动物植物
第一项全球研究提供了对地球地下微生物组的见解

Which microbes thrive below us in darkness—in gold mines, in aquifers, in deep boreholes in the seafloor—and how do they compare to the microbiomes that envelop the Earth's surfaces, on land and sea?

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2024-12-19 15:49:21动物植物
保护秘鲁的高海拔草原是保护安第斯熊的关键

Andean bears carefully select the best foraging locations and plants to maximize nutrition and avoid livestock, according to a study published December 18, 2024, in PLOS ONE by Nicholas Pilfold at the San Diego Zoo Wildlife Alliance in California, U.S., a

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2024-12-19 15:35:30动物植物
植物色素:使微藻能够在水生深处找到方向的“眼睛”

The phytoplankton that populate oceans are known to play a key role in marine ecosystems and climate regulation. Like terrestrial plants, they store atmospheric CO₂, and produce half of our planet's oxygen via photosynthesis. However, the mechanisms that

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2024-12-19 15:25:05动物植物
生态学家发现计算机视觉模型在检索野生动物图像时的盲点

Try taking a picture of each of North America's roughly 11,000 tree species, and you'll have a mere fraction of the millions of photos within nature image datasets. These massive collections of snapshots—ranging from butterflies to humpback whales—are a

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