2025-02-22 16:36:59动物植物
研究表明,早期人类的狩猎习惯重塑了食腐动物群落

A new study indicates that human behavior around 45,000 to 29,000 years ago contributed to a change in the composition of scavenging animal species living nearby. While smaller scavenging animals such as foxes and some bird species benefited from the pres

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2025-02-22 16:23:04动物植物
细胞研究中的人工智能:映射技术以前所未有的细节揭示了细胞动力学

Thanks to a new technology called Moscot ("Multi-Omics Single-Cell Optimal Transport"), researchers can now observe millions of cells simultaneously as they develop into a new organ—for example, a pancreas. This method was developed by an intern

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2025-02-22 16:10:24动物植物
最终合成酵母染色体完成,为生物技术进步铺平道路

Macquarie University researchers have worked with an international team of scientists to achieve a major milestone in synthetic biology by completing the creation of the final chromosome in the world's first synthetic yeast genome.

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2025-02-22 15:55:51动物植物
“嗡嗡叫我:”蜜蜂戴着小小的二维码揭示了蜂巢的秘密

Several hundred bees in rural Pennsylvania and rural New York are sporting tiny QR codes on their backs. More than the latest in apiarian fashion, the little tags serve a scientific purpose: tracking when bees go in and out of their hives to better unders

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2025-02-22 15:41:48动物植物
研究发现,在利用地下网络时,植物比利他主义者更有可能成为“窃听者”

A new study led by the University of Oxford has used a modeling approach to show that it is unlikely that plants would evolve to warn other plants of impending attack. Instead of using their communication networks to transmit warning signals, the findings

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2025-02-22 15:28:14动物植物
模型显示进化有许多最佳结果可供选择

Is there only one optimal configuration an organism can reach during evolution? Is there a single formula that describes the trajectory towards the optimum? And can we 'derive' it in a purely theoretical fashion?

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2025-02-22 15:15:20动物植物
生物发光细胞成像升级使同时跟踪多个目标变得更加容易

Imaging live cells with fluorescent proteins has long been a crucial technique for understanding cellular behavior. While bioluminescent proteins offer several advantages over fluorescent proteins, the limited availability of color variants has made it di

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2025-02-22 15:04:02动物植物
像水母一样漂浮:新的珊瑚移动机制被发现

When it comes time to migrate, Queensland University of Technology research has found how a free-living coral ignores the classic advice and goes straight towards the light.

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2025-02-22 14:52:58动物植物
厄尔尼诺干旱揭示了具有强烈应激反应的猴子的生存优势

White-faced capuchin monkeys in Costa Rica who experienced more intense physiological responses to mild droughts were more fit to survive extreme drought, researchers found in a new UCLA-led study.

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2025-02-22 14:40:30动物植物
细菌的秘密“性生活”:研究挑战了关于物种如何形成的旧观念

When Kostas Konstantinidis proved that many bacteria—like plants and animals—are organized into species, he upended a long-held scientific belief. Scientists widely believed that bacteria, due to their unique genetic exchange mechanisms and the vast size

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2025-02-22 14:27:00动物植物
100多年的数据表明,男性的身高和体重增长速度是女性的两倍

A gender specialist at the University of Genoa, in Italy, a psychologist at the University of Missouri, in the U.S., and a behavioralist at the University of Roehampton, in the U.K, have found that men are growing taller and heavier at twice the rate of w

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2025-02-22 14:16:15动物植物
做一个女人的男人是要为阿尔法雄性狒狒付出代价的

A few things come to mind when we imagine the alpha male type. They're the ones calling the shots, who get all the girls. But there's a downside to being a strong and powerful alpha stud—at least if you're a baboon.

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