2023-11-20 16:47:01动物植物
鲨鱼恐惧:就在你认为回到水里是安全的时候。。。

It's one of the most famous taglines in film history, immortalising sharks as ruthless predators. But beyond the horror generated by Spielberg's Jaws series, a persistent fear of sharks remains, with consequences that extend into reality.

阅读全文
2023-11-20 16:47:01动物植物
鹅群死亡后“保持冷静,继续前行”

Canada geese strengthen existing friendships and forge a few new connections after losing close associates from their flock, new research shows.

阅读全文
2023-11-20 16:47:00动物植物
漫游的海鸟需要全海洋的保护

Seabirds roam far and wide in the Indian Ocean -- so they need ocean-wide protection, new research shows.

阅读全文
2023-11-20 16:47:00动物植物
新的深度学习人工智能工具帮助生态学家通过歌声监测珍禽

Researchers have developed a new deep learning AI tool that generates life-like birdsongs to train bird identification tools, helping ecologists to monitor rare species in the wild. The findings are presented in the British Ecological Society journal, 阅读全文

2023-11-20 16:46:59动物植物
基因发现预示着高铁蔬菜和谷物

A genetic breakthrough has opened new opportunities for iron-fortified vegetables and cereal crops to help address the global health issue of anemia.

阅读全文
2023-11-20 16:46:59动物植物
感染需要新的C.diff结构,提供新的治疗靶点

Iron storage "spheres" inside the bacterium C. diff -- the leading cause of hospital-acquired infections -- could offer new targets for antibacterial drugs to combat the pathogen.

阅读全文
2023-11-20 16:46:58动物植物
碰撞核糖体激活RNA修复

Aldehydes are toxic compounds that are produced in the body by metabolic processes, especially upon alcohol consumption. They are dangerous because they bind to cellular macromolecules such as DNA, RNA, and proteins, and crosslink them.

阅读全文
2023-11-20 16:46:58动物植物
意外发现为人类和植物健康开启了生物工程机遇

An unexpected genetic discovery in wheat has led to opportunities for metabolic engineering of versatile compounds with potential to improve its nutritional qualities and resilience to disease.

阅读全文
2023-11-20 16:46:57动物植物
水生鳄鱼的多种进化轨迹

In the geological past, several groups of crocodiles evolved towards a morphology adapted to marine life. However, the extent of these adaptations and their evolutionary trajectories remained unknown. An exhaustive study of their morphology by a scientifi

阅读全文
2023-11-20 16:46:57动物植物
清除红树林会使“泥化”变得更糟

Clearing mangroves to stop estuaries getting clogged with mud actually makes the problem worse, new research shows.

阅读全文
2023-11-20 16:46:57动物植物
湿地感染禽流感的监测及其发现

Recently, morning omelets and holiday dinners have gotten more expensive. One likely cause is bird flu, outbreaks of which led to the deaths of millions of chickens and turkeys from infection or culling in 2022, according to the U.S. Department of Agricul

阅读全文
2023-11-20 16:46:56动物植物
微生物可以帮助减少对化肥的需求

Production of chemical fertilizers accounts for about 1.5 percent of the world's greenhouse gas emissions. MIT chemists hope to help reduce that carbon footprint by replacing some chemical fertilizer with a more sustainable source -- bacteria.

阅读全文
 11855   首页 上一页 888 889 890 891 892 893 894 895 896 897 下一页 尾页