2024-05-16 20:18:27动物植物
两年的研究表明,一些一年生花卉品种在传粉昆虫友好的花园中占有一席之地

While wildflowers and perennials are a must for supporting pollinators, there's no denying the popularity of many annual flowers for their colorful, visual appeal. Annuals are often thought of as pollinator "deserts," but a new study suggests c

阅读全文
2024-05-16 20:05:22动物植物
基因分析揭示新病毒即将出现

Suddenly they appear, and like the SARS-CoV-2 coronavirus, can trigger major epidemics: Viruses that nobody had on their radar. They are not really new, but they have changed genetically. In particular, the exchange of genetic material between different v

阅读全文
2024-05-16 19:53:11动物植物
由面粉和燕麦制成的生物混合机器人可以作为可生物降解的载体进行重新造林

Researchers at Istituto Italiano di Tecnologia (IIT-Italian Institute of Technology) in collaboration with the University of Freiburg have developed a biohybrid robot, which consists of a flour-based capsule created using 3D microfabrication techniques, a

阅读全文
2024-05-16 19:42:19动物植物
果蝇睾丸提供了对抗有害昆虫的潜在工具

A way to curb nagging insects has been flying under our radar—an enzyme from fruit fly testes. The compound could control bugs that carry disease and harm crops by stunting their ability to procreate, Johns Hopkins University researchers found.

阅读全文
2024-05-16 19:27:26动物植物
科学家发现,持续的霍乱菌株可以抵御变革的力量

A deadly strain of cholera bacteria that emerged in Indonesia back in 1961 continues to spread widely to this day, claiming thousands of lives around the world every year, sickening millions, and with its persistence, baffling scientists.

阅读全文
2024-05-16 19:17:04动物植物
研究揭示了对蛋白质进化的见解

Rice University's Peter Wolynes and his research team have unveiled a breakthrough in understanding how specific genetic sequences, known as pseudogenes, evolve. Their paper was published May 13 in the Proceedings of the National Academy of Sciences.

阅读全文
2024-05-16 19:07:01动物植物
鸟类学家发现世界上最大的蜂鸟实际上是两种

The Giant Hummingbird of western South America is not one species but two, according to an international group of researchers. The northern population stays in the high Andes year-round while the southern population migrates from sea level up to 14,000 fe

阅读全文
2024-05-16 18:55:15动物植物
长期研究发现,有机农业会导致植物遗传物质的适应

Plants adapt genetically over time to the special conditions of organic farming. This has been demonstrated in a long-term study conducted at the University of Bonn.

阅读全文
2024-05-16 18:42:37动物植物
细根决定代谢组和微生物组的差异

Bacteria and fungi live together on the surface of plant roots, which can promote symbiotic interactions with the plant. Plant roots that are especially fine can support various niches for their microbial proliferations, but traditionally, microbiome stud

阅读全文
2024-05-16 18:29:17动物植物
研究发现,澳大利亚市场上标签错误的鲨鱼肉猖獗

Researchers at Macquarie University have found a significant portion of shark meat sold in Australian fish markets and takeaway shops is mislabeled, including several samples from threatened species.

阅读全文
2024-05-16 18:18:59动物植物
基因发现有助于安格斯的生产者保护他们的畜群

When an East Texas cattle operation contacted Texas A&M AgriLife Extension Service cattle specialists in the Texas A&M College of Agriculture and Life Sciences Department of Animal Science after experiencing a rash of neurological, unknown

阅读全文
2024-05-16 18:04:24动物植物
如何确保生物多样性数据公平、关联、开放和经得起未来考验

Within the Biodiversity Community Integrated Knowledge Library (BiCIKL) project, 14 European institutions from ten countries, spent the last three years elaborating on services and high-tech digital tools, in order to improve the findability, accessibilit

阅读全文
 3112   首页 上一页 191 192 193 194 195 196 197 198 199 200 下一页 尾页