2025-01-21 01:51:04动物植物
生物学家揭示了鸬鹚和安康鱼的生理和行为

They are two of Florida's most iconic waterbirds, who look and behave similarly, but it turns out the anhinga and the double-crested cormorant are quite different, new research from the University of Miami indicates.

阅读全文
2025-01-21 01:38:30动物植物
新化石物种揭示了早期陆生植物不同的生活史策略

The initial radiation of vascular land plants, evidenced by increases in both diversity and morphological disparity during the Silurian and Devonian periods, is considered plant terrestrialization, which can be seen as the terrestrial equivalent of the Ca

阅读全文
2025-01-21 01:25:51动物植物
细胞成像技术:人工智能将无标记光声显微镜转化为共聚焦显微镜

A research team at POSTECH has developed a technology that surpasses the constraints of traditional imaging methods, providing stable and highly accurate cell visualization. Their findings are published in Nature Communications.

阅读全文
2025-01-21 01:11:24动物植物
令人震惊的线索:细胞如何在胚胎发育过程中利用电场迁移

As an embryo grows, there is a continuous stream of communication between cells to form tissues and organs. Cells need to read numerous cues from their environment, and these may be chemical or mechanical in nature. However, these alone cannot explain col

阅读全文
2025-01-21 01:00:18动物植物
安第斯极端微生物中鉴定出的具有潜在工业应用的生物活性化合物

An article published in the journal Scientific Reports describes how researchers analyzed biofilm produced by bacteria found in the El Medano hot springs, located in Chile in the central Andes, and concluded that one of its key ingredients can be used to

阅读全文
2025-01-21 00:47:36动物植物
“狗发现了”松露:研究人员和犬科动物发现了两种新的松露物种

Michigan State University researchers—along with colleagues at the University of Florida, citizen scientists and their "truffle dogs"—have discovered two new species of truffle. The research was published in the journal Mycologia and featured on

阅读全文
2025-01-21 00:34:23动物植物
新发现的机制通过结合DNA和RNA表观遗传学实现了精确的基因调控

Our genes contain all the instructions our body needs to function, but their expression must be finely regulated to guarantee that each cell performs its role optimally. This is where DNA and RNA epigenetics come in: a series of mechanisms that act as &qu

阅读全文
2025-01-21 00:22:09动物植物
南非早期古人类牙齿的同位素显示他们很少吃肉

A team of climate geochemists at the Max Planck Institute for Chemistry, University of the Witwatersrand and Princeton University has found evidence that early hominins living in South Africa ate a mostly vegetarian diet. In their study, published in the

阅读全文
2025-01-21 00:09:55动物植物
微生物多样性图谱:研究发现,42%的细菌缺乏基因组数据

Researchers at the U.S. Department of Energy (DOE) Joint Genome Institute (JGI), a DOE Office of Science User Facility located at Berkeley Laboratory, have published a study in Science Advances that evaluates the current state of microbial genomic biodive

阅读全文
2025-01-20 23:55:06动物植物
新型高粱变种在石油产量上优于大豆

Researchers at the Center for Advanced Bioenergy and Bioproducts Innovation (CABBI) have developed a new sorghum variant that can outperform soybeans in oil production, with great potential as a clean source of renewable fuel.

阅读全文
2025-01-20 23:42:28动物植物
基于地图的指标预测农业扩张导致的生物多样性丧失

An international team of environmentalists, zoologists and land use specialists has developed an extinction probability metric for land that is converted to agriculture. Their paper is published in the journal Philosophical Transactions of the Royal Socie

阅读全文
2025-01-20 23:27:36动物植物
菲利普岛离婚企鹅的秘密生活

Life isn't always a beach for Phillip Island's beloved penguins, who have been found to divorce their partners and find a new mate if they aren't satisfied with the number of young filling the nest—but it's a risky decision that can lower success in t

阅读全文
 11855   首页 上一页 532 533 534 535 536 537 538 539 540 541 下一页 尾页