2025-02-26 00:00:56动物植物
平衡压力:植物细胞如何保护液泡

Plants droop and shed their leaves when parched, but with a splash of water, their stems regain strength and their leaves unfurl. This dramatic transformation is a clear signal for us to reach for the watering can—and it demonstrates a delicate balance at

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2025-02-25 23:57:20前沿信息
3D纳米打印技术可以将陶瓷转化为高性能系统,从疾病检测到太空旅行

The same material from which you drink your morning coffee could transform the way scientists detect disease, purify water, and insulate space shuttles thanks to an entirely new approach to ceramic manufacturing.

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2025-02-25 23:50:43动物植物
先进的成像技术捕捉不同环境中的细菌基因表达

How do bacteria—harmless ones living in our bodies, or those that cause disease—organize their activities? A new study, combining powerful genomic-scale microscopy with a technical innovation, captured which genes bacteria turn on in different situations

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2025-02-25 23:44:29前沿信息
自密封、原子薄的透析膜:蛋白质将泄漏转化为过滤优势

A Vanderbilt-led research team has made a significant breakthrough in developing advanced dialysis membranes using atomically thin materials like graphene. These innovative membranes, called nanoporous atomically thin membranes (NATMs), leverage a protein

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2025-02-25 23:39:00动物植物
南极“霍夫蟹”雄性长出更大的爪子,在热喷口周围争夺配偶

New research has revealed that a hairy crustacean—dubbed "The Hoff crab" when it was discovered in 2010—is the first species in its family to show different claw characteristics between sexes.

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2025-02-25 23:27:55前沿信息
磁与光之舞:研究发现非互易二次谐波在二维材料中消失

A research group recently discovered the disappearance of nonreciprocal second harmonic generation (SHG) in MnPSe₃ when integrated into a two-dimensional (2D) antiferromagnetic MnPSe₃/graphene heterojunction.

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2025-02-25 23:25:37动物植物
全基因组研究表明,主要的DNA翻转使雀类对某些疾病具有抗性

Could a novel approach to genetic studies give us a clearer picture of how evolutionary adaptations occur? That's what the findings of new research on a common backyard bird, the house finch, imply. A groundbreaking pangenomic study has revealed a major

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2025-02-25 23:16:33前沿信息
DNA水凝胶有望实现药物的持续释放

Hydrogels are polymeric materials with three-dimensional network structures containing large amounts of water. They serve as sustained-release drug delivery systems as they can encapsulate various bioactive substances, including drugs, antigens, and even

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2025-02-25 23:14:04动物植物
CRISPR技术有助于揭示豆类基因如何改善固氮作用

Beans are a key food at the dietary level, boasting high nutritional value and constituting the most directly consumed legume. They also have a "superpower" in the field: they are able to fix nitrogen to the soil, so they reduce the need for nit

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2025-02-25 23:03:41动物植物
鲸鱼粪便中的铁可能有助于为过去的海洋施肥

The blue whale is the largest animal on the planet. It consumes enormous quantities of tiny, shrimp-like animals known as krill to support a body of up to 100 feet (30 meters) long. Blue whales and other baleen whales, which filter seawater through their

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2025-02-25 23:01:08前沿信息
纳米酶靶向缺氧损伤以提高鼻咽癌的放射敏感性

A collaborative study published on January 21 in Nature Communications presents a novel strategy to improve the effectiveness of radiotherapy for nasopharyngeal carcinoma (NPC).

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2025-02-25 22:52:54动物植物
跳跃的宝库:科学家发现16种新的蚱蜢

A Mississippi State University scientist has discovered a hopping treasure trove—16 new species of grasshoppers living in the thorny scrubs of U.S. and Mexican deserts.

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