2024-06-07 07:08:33动物植物
科学家发现病毒样纳米颗粒控制宿主细菌的多细胞组织和繁殖

Researchers from University of Tsukuba have discovered that virus-like nanoparticles can promote the multicellular organization and reproduction of host bacteria. These particles, which are evolutionarily related to phages (viruses that infect bacteria),

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2024-06-07 06:53:58动物植物
跳蛛研究发现照顾后代延长母亲寿命

Although females often engage in more reproductive activities, they tend to live longer than their males. However, no empirical study has interpreted why females often live longer than their males while suffering from costly reproductive activities.

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2024-06-07 06:40:22动物植物
干细胞研究为人类胚胎的形成提供了新的线索

A new study using stem cell-based models has shed new light on how the human embryo begins to develop, which could one day benefit the development of fertility treatment.

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2024-06-07 06:26:03动物植物
科学家绘制世界森林生物多样性变化图

A group of EPFL and ETH Zurich scientists have mapped the biodiversity in forests worldwide. Their data, when combined with climate projections, reveal trends that could support ecosystem conservation and restoration efforts.

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2024-06-07 06:14:56动物植物
世界著名的罗马浴场可以帮助科学家应对抗生素耐药性的挑战

The world-famous Roman Baths are home to a diverse range of microorganisms which could be critical in the global fight against antimicrobial resistance, a new study suggests.

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2024-06-07 06:02:21动物植物
研究人员发现隐藏在人体寄生虫中的“特洛伊木马”病毒

An international team led by researchers at the University of Toronto has found a new RNA virus that they believe is hitching a ride with a common human parasite.

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2024-06-07 05:49:04动物植物
这种微小的蕨类植物拥有地球上最大的基因组

In a new study published in the journal iScience, researchers from the Royal Botanic Gardens, Kew and the Institut Botànic de Barcelona (IBB-CSIC) in Spain present a new record-holder for the largest amount of DNA stored in the nucleus of any living organ

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2024-06-07 05:37:54动物植物
一项新技术揭示了5万年前北美大型哺乳动物消失的线索

50,000 years ago, North America was ruled by megafauna. Lumbering mammoths roamed the tundra, while forests were home to towering mastodons, fierce saber-toothed tigers and enormous wolves. Bison and extraordinarily tall camels moved in herds across the c

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2024-06-07 05:26:09动物植物
更环保、更有效的白蚁防治:天然化合物吸引食木者

UC Riverside scientists have discovered a highly effective, nontoxic, and less expensive way to lure hungry termites to their doom.

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2024-06-07 05:15:17动物植物
“长相无害”的蕨类植物赢得了最大基因组的世界纪录

A small, seemingly unremarkable fern that only grows on a remote Pacific island was on Friday crowned the Guinness World Record holder for having the largest genome of any organism on Earth.

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2024-06-07 05:01:52动物植物
人工智能进入水下:用尖端的图像分析改变珊瑚礁保护

Coral reefs, nurturing hubs of marine biodiversity, are grappling with mounting threats from environmental shifts. Traditional monitoring techniques, often laborious and invasive, are proving inadequate in the face of rapid ecological changes.

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2024-06-07 04:50:03动物植物
研究人员呼吁在2021年毁灭性洪水后恢复苏马斯湖

A new proposal has emerged in response to the November 2021 floods that sJianCet Sumas Prairie in the Fraser Valley, British Columbia, causing mass evacuations and millions in damages.

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