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,

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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—

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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.

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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

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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

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2025-05-10 02:04:23前沿信息
一块全彩玻璃:亚毫米波导缩小增强现实眼镜

Augmented-reality (AR) technology is rapidly finding its way into everyday life, from education and health care to gaming and entertainment. However, the core AR device remains bulky and heavy, making prolonged wear uncomfortable. A breakthrough from POST

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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

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2025-05-10 01:48:27前沿信息
使用声音的体内3D打印有望实现精确的药物输送、伤口愈合等

Imagine that doctors could precisely print miniature capsules capable of delivering cells needed for tissue repair exactly where they are needed inside a beating heart.

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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.

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2025-05-10 01:33:54动物植物
1.13亿年前的Scythe-jawed地狱蚁是已知最古老的标本

A 113-million-year-old hell ant that once lived in northeastern Brazil is now the oldest ant specimen known to science, finds a report published in Current Biology. The hell ant, which was preserved in limestone, is a member of Haidomyrmecinae—an extinct

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2025-05-10 01:31:57前沿信息
科学遇见浪漫:新工具解锁身体的“瓶中信息”以检测和治疗疾病

Have you ever dreamed of writing a heartfelt letter, sealing it in a bottle, and letting the ocean carry it to someone special? It's a romantic image we've seen in movies like "Message in a Bottle." But did you know this beautiful act of conne

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2025-05-10 01:23:32动物植物
超越双螺旋:猿基因组中的替代DNA构象

Certain DNA sequences can form structures other than the canonical double helix. These alternative DNA conformations—referred to as non-B DNA—have been implicated as regulators of cellular processes and of genome evolution, but their DNA tends to be repet

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