2024-06-11 11:09:22动物植物
有袋动物是发现哺乳动物加热器器官起源的关键

Around 100 million years ago, a remarkable evolutionary shift allowed placental mammals to diversify and conquer many cold regions of our planet. New research from Stockholm University shows that the typical mammalian heater organ, brown fat, evolved excl

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2024-06-11 10:54:49动物植物
一种新型喷雾装置帮助研究人员捕捉快速移动的细胞过程

Cells are the basic units of life—but many of their fundamental processes happen so fast and at such small length scales that current scientific tools and methods can't keep up, preventing us from developing a deeper understanding.

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2024-06-11 10:41:01动物植物
大型田间实验表明,即使在土壤营养不良的情况下,热带森林也会调整策略以茁壮成长

Tropical forests store a third of the world's carbon in their wood and soils. However, their future as a carbon sink has been uncertain. Scientists have long wondered whether nutrient-poor tropical soils would limit the ability of mature and recovering f

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2024-06-11 10:28:35动物植物
在原生生物中发现的第一个细胞折纸例子

Combining a deep curiosity and "recreational biology," Stanford researchers have discovered how a simple cell produces remarkably complex behavior, all without a nervous system. It's origami, they say.

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2024-06-07 08:09:03动物植物
研究证实网上和国际市场上存在欺诈性的卡卡杜李提取物

To coincide with Australia's National Reconciliation Week, ANSTO is sharing research published recently in the journal Food Control that confirms fraudulent Kakadu plum extracts are in circulation online and in the international marketplace. Kakadu plum

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2024-06-07 07:55:46动物植物
新的珊瑚病预报系统有助于生态预报

Research led by the University of Hawaiʻi at Mānoa Hawaiʻi Institute of Marine Biology (HIMB) has led to a new tool for forecasting coral disease that could help conservationists step in at the right times with key interventions. Ecological forecasts are

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2024-06-07 07:42:27动物植物
博尔德的富裕社区蜜蜂多样性较低

Community gardens in higher-income Boulder neighborhoods have fewer varieties of bees than their medium-income counterparts, new CU Boulder research suggests. Scientists suggest that people in these neighborhoods tend to apply more landscaping practices,

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2024-06-07 07:32:01动物植物
发现了模式生物的近亲线虫新物种

A new nematode species has been discovered in soil-dwelling bees at the University of Tsukuba's Sugadaira Research Station. This species shares a close relationship with a model nematode Pristionchus pacificus used in developmental and evolutionary biolo

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2024-06-07 07:20:16动物植物
澳大利亚海洋国家管理监测趋势揭晓

AIMS scientists have partnered with Indigenous communities in the remote Kimberley region of Australia's northwest to monitor culturally important fish populations on coral reefs and incorporate the variability in data to better inform sea country manage

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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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