2025-05-11 05:38:20动物植物
三叠纪化石揭示了自然界狩猎快鱼的最佳下颚

The best jaw for hunting fast fish is long and full of sharp teeth. This makes sense to us, but it also makes sense in nature: New fossil evidence from Virginia Tech geoscientists revealed that different species of predatory fish independently evolved sim

阅读全文
2025-05-11 05:28:14动物植物
为什么蜜向导有时会把蜂蜜猎人带到危险的动物而不是蜂群

A trio of researchers from institutions in Africa have explored whether honeyguides in Mozambique sometimes lead human hunters to dangerous animals as punishment for not giving them a proper reward on previous hunts. In their study published in the journa

阅读全文
2025-05-11 05:12:50动物植物
环境可塑性如何激发动物王国新物种的崛起

Researchers have shed new light on how the environment promotes the generation of new species. A study led by Dr. Benjamin Jarrett from Bangor University looked at what happens when two populations of the same species are evolving in different environment

阅读全文
2025-05-11 05:00:52动物植物
蝙蝠病毒的进化表明,野生动物贸易引发了人类新冠肺炎病毒的出现

The ancestor of the virus that causes COVID-19 left its point of origin in Western China or Northern Laos just several years before the disease first emerged in humans up to 2,700 kilometers away in Central China, according to a new study by University of

阅读全文
2025-05-11 04:48:34动物植物
常见的糖尿病药物可以帮助衰老的母鸡长时间产蛋

What do chickens and people with a common reproductive disorder have in common? More than one might think—and a widely-used diabetes medication might just be the surprising link.

阅读全文
2025-05-11 04:34:40动物植物
以海上风电场为栖息地的鲨鱼和鳐鱼

A new study by Wageningen University & Research shows that offshore wind farms not only produce energy, but may also contribute to the protection of marine life. Several shark and ray species were detected in and around Dutch wind farms based on trace

阅读全文
2025-05-11 04:23:47动物植物
鱼可能比以前认为的更聪明

Often studied in sterile laboratory conditions far removed from the natural habitats of rivers, lakes and seas, the cognitive abilities of fish have long been underestimated. Now, researchers at Wageningen University & Research have developed a simple

阅读全文
2025-05-11 04:10:33动物植物
超级细菌可以消化医用塑料,使其更加危险

A dangerous hospital superbug has been found to digest plastic—specifically the kind used in some sutures, stents and implants inside the human body. Microbiologists at Brunel University of London show the bacteria can feed on plastic to survive, potentia

阅读全文
2025-05-11 03:56:44动物植物
分析方法为农业对昆虫减少的影响提供了新的见解

Agriculture's impact on insect diversity is more severe than previously thought, according to a new study from the Julius-Maximilians-Universität Würzburg.

阅读全文
2025-05-11 03:42:10动物植物
猫感染禽流感预示着另一场大流行的风险

It's spring, the birds are migrating and bird flu (H5N1) is rapidly evolving into the possibility of a human pandemic. Researchers from the University of Maryland School of Public Health have published a comprehensive review documenting research on bird

阅读全文
2025-05-11 03:27:49动物植物
世界末日之后:城市和近城市农业可能足以维持中型城市

A new study suggests that, in the case of global catastrophe, urban agriculture alone could sustain only about one fifth of the population of a temperate, median-sized city, but the whole city could be fed by also farming land within a short distance of t

阅读全文
2025-05-11 03:17:42动物植物
全球研究人员网络汇集了有关生物多样性的可靠数据

Passive acoustic monitoring of biodiversity involves capturing the sounds of animals emitted intentionally or unintentionally in a wide variety of ecosystems, using acoustic recorders. It is used to monitor cetaceans, numerous insects and crustaceans, bat

阅读全文
 11855   首页 上一页 432 433 434 435 436 437 438 439 440 441 下一页 尾页