2025-02-25 13:09:23动物植物
酸性更强的海洋可能会影响牡蛎的性别

Rising carbon dioxide levels affect more than just the climate; they also affect the chemistry of the oceans. When saltwater absorbs carbon dioxide, it becomes acidic, which alters the aquatic animal ecosystem.

阅读全文
2025-02-25 12:55:04动物植物
新工具实现了对整个基因组的系统发育学分析

Researchers led by electrical engineers at the University of California San Diego have developed a better way to perform the comparative analysis of entire genomes. This approach can be used to study relationships between different species across geologic

阅读全文
2025-02-25 12:42:35动物植物
迈向分子世界的视频生成模型

As the capabilities of generative AI models have grown, you've probably seen how they can transform simple text prompts into hyperrealistic images and even extended video clips.

阅读全文
2025-02-25 12:32:00动物植物
在“疯狂”鸟类中发现的调节雄性睾酮水平的超级酶

A single gene that regulates testosterone levels in a "crazy" species of shore bird controls the development of three wildly different types of males, an international study involving researchers at Simon Fraser University has found.

阅读全文
2025-02-25 12:19:02动物植物
气候变化已经威胁到中欧一半以上的生产性农业景观

Droughts are a serious consequence of climate change, devastating ecosystems, along with the organisms and communities who inhabit them. Understanding the impact of this upon agricultural productivity is vital to ensure sustainable food supplies and local

阅读全文
2025-02-25 12:06:28动物植物
发现细菌会永远吃化学物质,甚至是它们的一些有毒副产品

In the quest to take the "forever" out of "forever chemicals," bacteria might be our ally. Most remediation of per- and polyfluoroalkyl substances (PFAS) involves adsorbing and trapping them, but certain microbes can actually break apa

阅读全文
2025-02-25 11:52:46动物植物
禽流感疫苗推动病毒进化的可能证据

A team of virologists, infectious disease specialists and pathobiologists affiliated with several institutions in China and the U.K. has found possible evidence that bird flu vaccinations are driving virus evolution. In their study published in the journa

阅读全文
2025-02-22 17:38:18动物植物
在寻找新的更好的酶的过程中,人工智能走在了前列

Enzymes are crucial to life. They are nature's little catalysts. In the gut, they help us digest food. They can enhance perfumes or get laundry cleaner with less energy. Enzymes also make potent drugs to treat disease. Scientists naturally are eager to c

阅读全文
2025-02-22 17:26:15动物植物
重新发现的化石揭示了4500万年前罕见的鸟类头骨

Around 45 million years ago, a 4.6 foot-tall (1.40 meters) flightless bird called Diatryma roamed the Geiseltal region in southern Saxony-Anhalt. An international team of researchers led by the Martin Luther University Halle-Wittenberg (MLU) and the Senck

阅读全文
2025-02-22 17:11:45动物植物
最新研究发现,牛鼻射线利用其尾部作为微调天线

A pair of marine biologists at Harvard University has found that one of the main purposes of the cownose ray's tail is to serve as a fine-tuned antenna. In their study published in the Proceedings of the Royal Society B: Biological Sciences, Júlia Chaume

阅读全文
2025-02-22 16:58:25动物植物
同类中规模最大的研究证明“鸟脑”用词不当

It's difficult to know what birds "think" when they fly, but scientists in Australia and Canada are getting some remarkable new insights by looking inside birds' heads.

阅读全文
2025-02-22 16:47:48动物植物
人类学家发现,野生狒狒未能通过自我意识的镜像测试

A study published in Proceedings of the Royal Society B, found that while the baboons noticed and responded to a laser mark shining on their arms, legs and hands, they did not react when they saw, via their mirror reflection, the laser on their faces and

阅读全文
 3112   首页 上一页 94 95 96 97 98 99 100 101 102 103 下一页 尾页