2025-05-10 04:05:59动物植物
高达42%的昆虫行为实验在实验室中不可重复

If an experiment is repeated under similar conditions, the results should be the same. In reality, the situation is often different—scientists speak of a "reproducibility crisis," which affects different disciplines.

阅读全文
2025-05-10 03:52:57动物植物
无缺口基因组序列揭示香港标志性兰花树的杂交起源

April 25 is International DNA Day, and it marks the completion of a decade-long project to sequence the DNA of Hong Kong's floral emblem, the Hong Kong Orchid Tree Bauhinia x blakeana Dunn.

阅读全文
2025-05-10 03:38:34动物植物
猪可以再生成年牙齿。如果人类也能做到呢?

When children lose their baby teeth, there is an adult set already growing beneath the gums, ready to emerge. But if we lose our permanent teeth, there aren't any more waiting in the wings. Right now, the options for replacing these lost teeth are either

阅读全文
2025-05-10 03:25:46动物植物
控制藻类中的淀粉含量可以减少温室气体排放

High-starch algae are important in biofuel production, as a feed supplement in agriculture and as an efficient way to bind carbon dioxide. Researchers have now found a new method to control starch storage in algae—a finding with potential applications in

阅读全文
2025-05-10 03:14:32动物植物
科学家重新利用基因编辑工具来帮助发现隐藏的微生物多样性

Pioneering research led by the University of Bristol has repurposed a gene-editing tool to help shed light on the true biodiversity present in natural environments. The study, published in the journal Royal Society Open Science, could help pave the way fo

阅读全文
2025-05-10 03:03:14动物植物
新方法使人工智能适应作物育种中的计算机视觉

Scientists developed a machine-learning tool that can teach itself, with minimal external guidance, to differentiate between aerial images of flowering and nonflowering grasses—an advance that will greatly increase the pace of agricultural field research,

阅读全文
2025-05-10 02:51:10动物植物
微小的CRISPR工具为更快、更简单的植物基因组编辑打开了大门

Plant breeding plays a vital role in ensuring global food security by increasing crop yields, improving nutritional quality and creating crops that are adaptable to climate change. However, current plant transformation methods present significant hurdles—

阅读全文
2025-05-10 02:36:16动物植物
新的研究发现,气候变化现在是濒危物种的主要威胁

Authors of an article in BioScience reveal that climate change has become the most pervasive threat to ESA-listed species, marking the first time that this driver has been identified to surpass other causes of biodiversity loss for this group.

阅读全文
2025-05-10 02:25:12动物植物
新的证据表明,早期巨型鳄鱼在家谱上与现代鳄鱼相距更远

An international team of paleontologists, geologists, geoscientists and Earth scientists has found evidence that a type of giant crocodile that lived millions of years ago in what is now North America is not closely related to modern alligators. In their

阅读全文
2025-05-10 02:10:16动物植物
蜱虫研究人员发现了导致人类斑点热感染的立克次体新菌株

In a residential backyard in Maine, Project ITCH researchers from the University of Massachusetts Amherst stumbled upon a surprise finding: rabbit ticks harboring a new type of bacteria related to a group of pathogens that can cause sometimes life-threate

阅读全文
2025-05-10 01:56:25动物植物
计算方法提高了农艺相关性状的基因组预测准确性

Advances in high-throughput phenotyping (HTP) platforms together with genotyping technologies have revolutionized breeding of varieties with desired traits relying on genomic prediction. Yet, we lack an understanding of the expression of multiple traits a

阅读全文
2025-05-10 01:45:54动物植物
野生倭黑猩猩的研究表明,雌性黑猩猩会联合起来维持社会中的权力

Biologically speaking, female and male bonobos have a weird relationship. First, there's the sex. It's the females who decide when and with whom they mate. They easily parry unwanted sexual advances—and the males know better than to force the issue.

阅读全文
 3154   首页 上一页 43 44 45 46 47 48 49 50 51 52 下一页 尾页