2024-07-06 11:54:50动物植物
生殖细胞内的“金库”提供的不仅仅是安全保护

Maternal messenger RNAs (mRNAs), located within the cytoplasm of an immature egg, are crucial for jump starting development. Following fertilization, these mRNAs are passed onto the zygote, the first newly formed cell.

阅读全文
2024-07-06 11:43:49动物植物
科学家揭示脊椎动物中心周异染色质启动的保守机制

A study published in Nature on July 4 by Prof. Zhu Bing from the Institute of Biophysics of the Chinese Academy of Sciences has shed light on the conserved mechanism responsible for the initiation of pericentric heterochromatin in vertebrates.

阅读全文
2024-07-06 11:30:48动物植物
研究发现提高转录因子活性的方法

Transcription factors regulate gene expression by binding specific sequences on DNA, which is an essential step to producing messenger RNAs from protein-coding genes. Denes Hnisz's lab, in collaboration with Martin Vingron's lab at the MPIMG, has discov

阅读全文
2024-07-06 11:15:59动物植物
高速视频显示,河马在奔跑时会悬空

A pair of evolutionary biomechanics specialists at the University of London's, Royal Veterinary College, has found that when hippos run at full speed, all four of their feet are regularly in the air.

阅读全文
2024-07-06 11:05:28动物植物
倾听正确的嗡嗡声如何防止蚊子与错误的物种交配

Researchers from Nagoya University in Japan have uncovered how the yellow fever mosquito and Asian tiger mosquito distinguish their own species from others. Males from these species listen for the specific frequencies of sound made by the flapping wings o

阅读全文
2024-07-06 10:54:38动物植物
研究人员开创了超快科学中制作更JianCe分子电影的新方法

Imagine being able to watch the inner workings of a chemical reaction or a material as it changes and reacts to its environment—that's the sort of thing researchers can do with a high-speed "electron camera" called the Megaelectronvolt Ultrafas

阅读全文
2024-07-06 10:41:37动物植物
研究发现,座头鲸在疫情暂停期间更快乐

University of Queensland-led research has found migrating humpback whales off Australia's east coast became less stressed over the first year of the COVID-19 pandemic. The research paper is published in Marine Environmental Research.

阅读全文
2024-07-06 10:28:20动物植物
雏鸟的迁徙行为被发现是遗传的,而不是后天习得的

Young, naïve starlings are looking for their wintering grounds independently of experienced conspecifics. Starlings are highly social birds throughout the year, but this does not mean that they copy the migration route from each other.

阅读全文
2024-07-06 08:17:07前沿信息
用于量子冷却的新型2D设备在超低温下将热量转换为电压

EPFL engineers have created a device that can efficiently convert heat into electrical voltage at temperatures lower than that of outer space. The innovation could help overcome a significant obstacle to the advancement of quantum computing technologies,

阅读全文
2024-07-06 08:00:32前沿信息
研究人员解释原子力显微镜在3D中的成像机制

Researchers at Nano Life Science Institute (WPI-NanoLSI), Kanazawa University report the 3D imaging of a suspended nanostructure. The technique used is an extension of atomic force microscopy and is a promising approach for visualizing various 3D biologic

阅读全文
2024-07-05 13:15:27动物植物
实验性狗牙根表现出不同的干旱反应

In a new study, researchers at Oklahoma State University have unveiled significant variations in drought response among advanced turf-type Bermudagrass experimental genotypes. The study aimed to evaluate the drought tolerance of various Bermudagrass genot

阅读全文
2024-07-05 13:02:16动物植物
甜塞拉诺辣椒在Pasilla 18M上的间隔移植物

Chili pepper (Capsicum annuum L.) is one of the most important vegetables in the world; it is the most widely cultivated and popular spice. The genus Capsicum has been distinguished by its lack of compatible rootstocks with commercial cultivars to success

阅读全文
 12650   首页 上一页 684 685 686 687 688 689 690 691 692 693 下一页 尾页