2025-05-15 18:25:02动物植物
古生物学家在中国嫩江组发现12颗新恐龙牙齿

A recent study by Keifeng Yu and his colleagues, published in Acta Geologica Sinica, describes the discovery and identification of 12 new dinosaur teeth from the Upper Cretaceous Nenjiang Formation. The Cretaceous dinosaurs were identified as belonging to

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2025-05-15 18:13:22动物植物
鲱鱼集体记忆丧失导致产卵场800公里的移动

Researchers led by the Institute of Marine Research in Norway report an 800 km poleward shift in the spawning grounds of Norwegian spring-spawning herring (NSS herring) following a loss of collective migration memory among older fish due to age-selective

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2025-05-15 18:02:39动物植物
古生物学家发现5.06亿年前的捕食者

Paleontologists at the Manitoba Museum and Royal Ontario Museum (ROM) have discovered a remarkable new 506-million-year-old predator from the Burgess Shale of Canada. The results are announced in a paper in the journal Royal Society Open Science.

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2025-05-15 17:48:14动物植物
科学家发现黑猩猩用药用叶子进行急救

Scientists studying chimpanzees in Budongo Forest, Uganda, have observed that these primates don't just treat their own injuries, but care for others, too—information which could shed light on how our ancestors first began treating wounds and using medic

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2025-05-15 17:35:50动物植物
为耐热性而培育的斑马鱼在健康或代谢方面没有明显的权衡

Global warming is already very tough for animals in the wild, but it may be toughest for creatures like fish, whose body temperatures are controlled by the water temperatures around them.

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2025-05-13 22:04:46动物植物
帮助鸟类和漂浮太阳能共存

From a small California winery to a large-scale energy project in China, floating photovoltaics—or "floatovoltaics"—are gaining in popularity. Commonly installed over artificial water bodies, from irrigation ponds and reservoirs to wastewater tr

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2025-05-13 21:51:41动物植物
火烈鸟制造水龙卷风来诱捕猎物

Flamingos standing serenely in a shallow alkaline lake with heads submerged may seem to be placidly feeding, but there's a lot going on under the surface.

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2025-05-13 21:38:54动物植物
在收藏中发现了40种以前未知的菲律宾新蛾类

In two recent studies, scientists from the Museum für Naturkunde Berlin have identified and described 40 previously unknown moth species from the Philippines. The newly discovered species belong to the snout moth family (Crambidae), a diverse and often ov

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2025-05-13 21:27:12动物植物
组织如何检测和修复身体隐藏的支持系统的损伤

A new study by Vanderbilt investigators has uncovered a previously unknown biological mechanism: how tissues detect and respond to damage in basement membranes, the thin layers of extracellular matrix that surround and support nearly every organ in the bo

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2025-05-13 21:16:42动物植物
博物馆标本如何帮助拯救考拉免于灭绝

Since the late 1800s, koala numbers have declined dramatically, but it is not only their numbers that are disappearing. A recent analysis has shown that the variation of genes within koalas has also decreased, with some traits present in historical specim

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2025-05-13 21:02:06动物植物
在少数群体的影响下,火蚁群落可以从单个蚁后切换到多个蚁后

Groups of social animals, including humans, can make complex decisions without a single central leader. Those choices aren't always made by the majority, however.

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2025-05-13 20:51:30动物植物
野生黑猩猩母子依恋类型的首次证据

Have you ever wondered how your childhood relationship with your parents shaped the person you are today? Scientists have long known that early attachment to caregivers plays a crucial role in human development, but what about one of our closest relatives

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