2023-12-16 13:47:35时空
天文学家确定银河系中心三颗神秘新星的年龄

Through analysis of high-resolution data from a ten-metre telescope in Hawaii, researchers at Lund University in Sweden have succeeded in generating new knowledge about three stars at the very heart of the Milky Way. The stars proved to be unusually young

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2023-12-16 13:47:32时空
解开中子星自转异常:量子模拟的启示

A collaboration between quantum physicists and astrophysicists, led by Francesca Ferlaino and Massimo Mannarelli, has achieved a significant breakthrough in understanding neutron star glitches. They were able to numerically simulate this enigmatic cosmic

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2023-12-16 13:47:30时空
作为气候档案的小行星坑湖的局限性

In southern Germany just north of the Danube, there lies a large circular depression between the hilly surroundings: the Nördlinger Ries. Almost 15 million years ago, an asteroid struck this spot. Today, the impact crater is one of the most useful an

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2023-12-16 13:47:27时空
恒星风调节星系的生长

Galactic winds enable the exchange of matter between galaxies and their surroundings. In this way, they limit the growth of galaxies, that is, their star formation rate. Although this had already been observed in the local universe, an international resea

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2023-12-16 13:47:23时空
关于巨型外卫星的巨大疑问

Only two of the more than 5300 known exoplanets have so far provided evidence of moons in orbit around them. In observations of the planets Kepler-1625b and Kepler-1708b from the Kepler and Hubble space telescopes, researchers had discovered traces of suc

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2023-12-09 15:21:42医药卫生
引导干细胞进入视网膜的潜在青光眼治疗策略

Glaucoma is one of the leading causes of blindness worldwide, and vision loss, due to the loss of retinal ganglion cells (RGCs), cannot currently be reversed with any treatment. Some studies have looked at replacing RGCs through cell transplants, but this

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2023-12-09 15:21:39医药卫生
大数据研究探讨影响儿童健康的社会因素

A team led by researchers at Weill Cornell Medicine has used an AI-based approach to uncover underlying patterns among the conditions in which people are born, grow, live, work, and age, termed social determinants of health (SDoH), and then linked each pa

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2023-12-09 15:21:36医药卫生
为什么音乐激起的情感会产生如此强大的记忆

Time flows in a continuous stream -- yet our memories are divided into separate episodes, all of which become part of our personal narrative. How emotions shape this memory formation process is a mystery that science has only recently begun to unravel. Th

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2023-12-09 15:21:33医药卫生
计算机模拟表明,新冠肺炎变异株的出现是对人类行为的反应

Using artificial intelligence technology and mathematical modeling, a research group led by Nagoya University has revealed that human behavior, such as lockdowns and isolation measures, affect the evolution of new strains of COVID-19. SARS-CoV-2, the viru

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2023-12-09 15:21:31医药卫生
瘙痒之谜的新线索

Scientists at Harvard Medical School have shown for the first time that a common skin bacterium -- Staphylococcus aureus -- can cause itch by acting directly on nerve cells.

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2023-12-09 15:21:30医药卫生
人工智能识别胚胎发育的节奏和阶段

Animal embryos go through a series of characteristic developmental stages on their journey from a fertilized egg cell to a functional organism. This biological process is largely genetically controlled and follows a similar pattern across different animal

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2023-12-09 15:21:27医药卫生
解码细胞命运:确定干细胞转换的关键机制

Stem cells can differentiate to replace dead and damaged cells. But how do stem cells decide which type of cell to become in a given situation? Using intestinal organoids, the group of Bon-Kyoung Koo at IMBA and the Institute for Basic Science identified

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