2024-07-18 22:07:43动物植物
科学家们发现了与鱼群行为有关的大脑回路

A flock of migrating geese glides through the summer sky in an unmistakable "V" formation… a thundering herd of bison rumbles across the plains as a formidable group... and a massive school of sardines swims mesmerizingly in unison.

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2024-07-18 21:55:53动物植物
2.1万年前阿根廷屠杀巨型犰狳类哺乳动物的证据

Cut marks on fossils could be evidence of humans exploiting large mammals in Argentina more than 20,000 years ago, according to a study published July 17, 2024 in the open-access journal PLOS ONE by Mariano Del Papa of National University of La Plata, Arg

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2024-07-18 21:44:23动物植物
微生物被发现可以通过将顽固的氟键裂解为碳键来破坏某些“永久化学物质”

A UC Riverside environmental engineering team has discovered specific bacterial species that can destroy certain kinds of "forever chemicals," a step further toward low-cost treatments of contaminated drinking water sources.

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2024-07-18 21:29:53动物植物
南极湖泊中的微生物结构可以揭示更多关于生命如何进化的信息

In the depths of remote Antarctic lakes, communities of microorganisms are thriving where few life forms can survive. Scientists are studying structures formed by these communities to understand more about microscopic life in these extreme environments, w

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2024-07-18 21:15:21动物植物
研究确定了调节细胞衰老的RNA分子

A team led by UT Southwestern Medical Center researchers has discovered a new way that cells regulate senescence, an irreversible end to cell division. The findings, published in Cell, could one day lead to new interventions for a variety of conditions as

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2024-07-18 21:02:37动物植物
聪明的土壤可以自己浇水和养活自己

A newly engineered type of soil can capture water out of thin air to keep plants hydrated and manage controlled release of fertilizer for a constant supply of nutrients.

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2024-07-18 20:49:19动物植物
研究人员提出使用颅面叠加改进人类遗骸的识别

Researchers have published a new study in Information Fusion that demonstrates an improvement in the identification of human remains using craniofacial superimposition, making decision-making by forensic experts much more objective.

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2024-07-18 20:38:36动物植物
研究表明,小动物使用细菌的“被盗”基因来防止感染

Certain small, freshwater animals protect themselves from infections using antibiotic recipes "stolen" from bacteria, according to new research by a team from the University of Oxford, the University of Stirling and the Marine Biological Laborat

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2024-07-17 23:10:46动物植物
利用大数据帮助科学家研究新的抗菌药物

Researchers have developed a strategy to identify new antimicrobial drugs with therapeutic promise from bacterial datasets, providing clues for discovering alternatives to traditional antibiotics.

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2024-07-17 22:58:11动物植物
大肠杆菌变种可能导致狗和人类产生抗微生物药物耐药性

Researchers studying antimicrobial-resistant E. coli—the leading cause of human death due to antimicrobial resistance worldwide—have identified a mechanism in dogs that may render multiple antibiotic classes ineffective.

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2024-07-17 22:45:53动物植物
科学家揭示葡萄家族生存策略的转变

In a study published in Nature Plants, scientists have identified the Eocene, Oligocene, and Miocene boundaries as turning points for the transition of survival strategies in the grape family (Vitaceae).

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2024-07-17 22:34:39动物植物
杂交谱系的发现为树木如何适应气候变化提供了线索

The discovery of a hybrid population of poplar trees in western Wyoming has provided insight into how natural hybridization informs the evolution of many plant species, according to a team led by Penn State researchers. They also said their discovery sugg

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