2025-05-15 22:13:50动物植物
重新检查与败血症相关的受体可以解决其结合相互作用的矛盾

After earning notoriety as the first cellular receptor isolated and mammalian lectin identified, the Ashwell-Morell receptor's functions in our bodies eluded scientists for more than 30 years.

阅读全文
2025-05-15 22:00:56动物植物
人工智能和遗传学可以帮助农民用更少的肥料种植玉米

New York University scientists are using artificial intelligence to determine which genes collectively govern nitrogen use efficiency in plants such as corn, with the goal of helping farmers improve their crop yields and minimize the cost of nitrogen fert

阅读全文
2025-05-15 21:47:59动物植物
问答:一种用于设计功能改进的RNA的生成性人工智能技术

Ribonucleic acid, also called RNA, is a molecule present in all living cells. It plays a critical role in transmitting genetic instructions from DNA and creating proteins. With the power to execute a plethora of functions, the little RNA "messenger&q

阅读全文
2025-05-15 21:33:26动物植物
印度的化石发现延长了早期恐龙的时间线

Sun filters through dense stands of cycads and conifers of Gondwana, where a lithe, bipedal predator slowly moves through the Upper Triassic undergrowth. Standing just over a meter tall and measuring about two meters from snout to tail, Maleriraptor kutty

阅读全文
2025-05-15 21:22:43动物植物
在妈妈的指导下:母亲的反馈如何影响野生蝙蝠幼崽的声音发育

Just as human infants rely on their environment and social interactions to acquire speech, bat pups depend on their social environment for vocal learning. New research reveals that in the bat species Saccopteryx bilineata, maternal feedback influences voc

阅读全文
2025-05-15 21:08:51动物植物
刺客昆虫如何操纵猎物交流以提高狩猎成功率

In a study published in Proceedings of the National Academy of Sciences, researchers have discovered a remarkable example of tool use in the insect world.

阅读全文
2025-05-15 20:58:35动物植物
X射线灭菌效果会因剂量率和细菌环境而发生巨大变化

Radiation sterilization technology destroys the DNA and cellular structures of bacteria and microorganisms using electromagnetic waves with far higher energy than ultraviolet radiation. This technique has become indispensable for sterilization in various

阅读全文
2025-05-15 20:44:00动物植物
高分辨率荧光传感器可以在多个尺度上显示细胞内腺苷动态

A research team has published a study in Nature Communications detailing the development of a novel genetically encoded fluorescent sensor for real-time, cell-type-specific monitoring of intracellular adenosine (iAdo).

阅读全文
2025-05-15 20:30:03动物植物
在果蝇中发现的第一条两性都作弊的染色体

Researchers have uncovered a "selfish" X chromosome in the fruit fly Drosophila testacea that manages to distort inheritance in both sperm and eggs.

阅读全文
2025-05-15 20:15:14动物植物
实验室藻类培养新手册为生命科学研究人员提供了重要工具

A team of biophysicists has published a step-by-step guide for the reliable cultivation of the unicellular green alga Chlamydomonas reinhardtii. The guide will support researchers worldwide in the fields of life sciences, biophysics, and bioengineering in

阅读全文
2025-05-15 20:05:10动物植物
光合作用前的生长:树木如何调节水分平衡

Plants have small pores on the underside of their leaves, known as stomata. When the sun rises, these pores open and the plants absorb carbon dioxide (CO2) from the atmosphere, which they need, in addition to sunlight and water, for photosynthesis. At the

阅读全文
2025-05-15 19:50:52动物植物
新的果蝇资源揭示了控制飞行和求偶的神经回路

A team of researchers have created a new resource for studying motor control of wing movements in fruit flies.

阅读全文
 3112   首页 上一页 22 23 24 25 26 27 28 29 30 31 下一页 尾页