2024-06-07 05:37:54动物植物
一项新技术揭示了5万年前北美大型哺乳动物消失的线索

50,000 years ago, North America was ruled by megafauna. Lumbering mammoths roamed the tundra, while forests were home to towering mastodons, fierce saber-toothed tigers and enormous wolves. Bison and extraordinarily tall camels moved in herds across the c

阅读全文
2024-06-07 05:26:09动物植物
更环保、更有效的白蚁防治:天然化合物吸引食木者

UC Riverside scientists have discovered a highly effective, nontoxic, and less expensive way to lure hungry termites to their doom.

阅读全文
2024-06-07 05:15:17动物植物
“长相无害”的蕨类植物赢得了最大基因组的世界纪录

A small, seemingly unremarkable fern that only grows on a remote Pacific island was on Friday crowned the Guinness World Record holder for having the largest genome of any organism on Earth.

阅读全文
2024-06-07 05:01:52动物植物
人工智能进入水下:用尖端的图像分析改变珊瑚礁保护

Coral reefs, nurturing hubs of marine biodiversity, are grappling with mounting threats from environmental shifts. Traditional monitoring techniques, often laborious and invasive, are proving inadequate in the face of rapid ecological changes.

阅读全文
2024-06-07 04:50:03动物植物
研究人员呼吁在2021年毁灭性洪水后恢复苏马斯湖

A new proposal has emerged in response to the November 2021 floods that swept Sumas Prairie in the Fraser Valley, British Columbia, causing mass evacuations and millions in damages.

阅读全文
2024-06-07 04:35:34动物植物
揭示AGO翻译后修饰在植物基因调控中的作用

A new study led by Nicolás Bologna, a CSIC researcher at the Center for Research in Agricultural Genomics (CRAG), sheds light on the crucial role of the N-terminal extension (NTE) of AGO proteins, offering new insights into RNA-associated gene regulation

阅读全文
2024-06-07 04:25:20动物植物
大豆病虫害生物防治优化研究

An article published in the journal Insects determines with precision the dispersal range of a type of wasp that neutralizes the brown stink bug, Euschistus heros, a major soybean pest in Brazil and one that is highly resistant to chemical insecticides. T

阅读全文
2024-06-07 04:14:27动物植物
研究显示,自噬细胞器限制口腔大小以调节细胞清除

Autophagy, which literally means "self-eating," is a cellular cleaning-out process that maintains our bodies in good order, but excessive autophagy can be too much of a good thing.

阅读全文
2024-06-07 04:04:26动物植物
苔草研究揭示苔藓植物精子释放机制

Using liverwort (Marchantia polymorpha) as a model, researchers led by Prof. Li Hongju from the Institute of Genetics and Developmental Biology of the Chinese Academy of Sciences have explored the molecular mechanism of sperm release in bryophytes.

阅读全文
2024-06-07 03:51:50动物植物
新的数学框架揭示了细胞如何交流以形成胚胎

Biological processes depend on puzzle pieces coming together and interacting. Under specific conditions, these interactions can create something new without external input. This is called self-organization, as seen in a school of fish or a flock of birds.

阅读全文
2024-06-07 03:39:57动物植物
科学家提出零样本通用显微图像人工智能处理方法

Based on the noise model of microscopic images and the zero-sample learning theory, researchers led by Prof. Li Dong from the Institute of Biophysics of the Chinese Academy of Sciences, in collaboration with Prof. Dai Qionghai's team from Tsinghua Univer

阅读全文
2024-06-07 03:28:58动物植物
理想小粒径基因的遗传编辑实现杂交水稻的全机械化育种

In a study published in Nature Plants, Prof. Li Yunhai from the Institute of Genetics and Developmental Biology (IGDB) of the Chinese Academy of Sciences and Profs. Zhu Xudong and Wang Yuexing from the China National Rice Research Institute have identifie

阅读全文
 3114   首页 上一页 177 178 179 180 181 182 183 184 185 186 下一页 尾页