2024-06-11 12:14:26动物植物
一场激烈的战斗正在我们脚下的土壤中进行,对全球变暖的影响可能是巨大的

As humanity continues to burn fossil fuels, the delicate balance of life on Earth is changing. That's true of trees, many of which are growing faster as a result of increased carbon dioxide (CO₂) concentrations in our atmosphere.

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2024-06-11 12:01:43动物植物
科学家发现细胞周期在纤毛形成中的新作用

The awe-inspiring process of cell division can turn a fertilized egg into a baby—or a cancerous cell into a malignant tumor. With so much at stake, nature keeps it tightly controlled in a process called the cell cycle that scientists thought they thorough

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2024-06-11 11:50:51前沿信息
迈向下一代功能材料:纳米管晶体能够直接观察固体中的电子转移

Electron transfer (ET) is a process in which an electron is transferred from one atom or molecule to another. ET is fundamental to electrochemical reactions with applications in many fields. Nanoscale ET, which involves the transfer of electrons in the ra

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2024-06-11 11:47:30动物植物
鱼出水:溪鱼胚胎如何适应其发育

The annual killifish lives in regions with extreme drought. A research group at the University of Basel now reports in Science that the early embryogenesis of killifish diverges from that of other species. Unlike other fish, their body structure is not pr

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2024-06-11 11:40:49前沿信息
为可穿戴技术发明了更安全、更便宜、更灵活的电池

Researchers have developed a safer, cheaper, better performing and more flexible battery option for wearable devices. A paper describing the "recipe" for their new battery type was published in the journal Nano Research Energy on June 3.

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2024-06-11 11:34:13动物植物
研究发现,与独自游泳的人相比,鱼群在湍流中消耗的能量更少

Swimming through turbulent water is easier for schooling fish compared to solitary swimmers, according to a study published June 6 in the open-access journal PLOS Biology by Yangfan Zhang of Harvard University, Massachusetts, US, and colleagues.

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2024-06-11 11:27:09前沿信息
选择性发射左旋或右旋光的金纳米粒子

When chiral gold nanoparticles are irradiated with near-infrared femtosecond pulses, visible emission of luminescence is observed. In a study published in Advanced Optical Materials, this luminescence was found to yield high selectivity for left- or right

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2024-06-11 11:21:05动物植物
计算机模型展示了对社交距离的渴望改善了鸽子的飞行路线

A new study conducted by Dr. Edwin Dalmaijer, a cognitive neuroscientist at the University of Bristol, UK, looked at the social influences on pigeon flight routes. Comparing the flight patterns of pairs of pigeons to a computer model, the researcher found

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2024-06-11 11:12:18前沿信息
解锁RNA功能:一种氧化还原反应方法

National University of Singapore (NUS) chemists have developed a strategy using disulfide-containing small molecules to facilitate the reversible control and delivery of ribonucleic acid (RNA).

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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 11:00:42前沿信息
释放2D材料的变革潜力,推动下一代电子产品的发展

Van der Waals (vdW) dielectrics are widely used in nanoelectronics to preserve the intrinsic properties of two-dimensional (2D) semiconductors. However, achieving aligned growth of 2D semiconductors and their direct utilization on original vdWs epitaxial

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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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