2025-04-20 02:40:25动物植物
偷偷摸摸的黄鼠狼被相机捕捉到,诱饵选择令人惊讶

When monitoring the health of mammal populations, scientists often use camera traps to observe the animals in their habitats. But weasels are so sneaky they're rarely caught on camera—leaving scientists with questions about this population of predators.

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2025-04-20 02:30:00前沿信息
通过金属有机化学气相沉积克服六方氮化硼的堆叠限制

Researchers from Pohang University of Science and Technology (POSTECH) and the University of Montpellier have successfully synthesized wafer-scale hexagonal boron nitride (hBN) exhibiting an AA-stacking configuration, a crystal structure previously consid

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2025-04-20 02:29:44动物植物
研究揭示热带鱼类使用工具

Scientists have debunked the belief that using tools is unique to mammals and birds, after documenting tropical fish that smash shellfish against rocks to open and eat the meat, in a fascinating new study published in the journal Coral Reefs on 26 March 2

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2025-04-20 02:19:52前沿信息
人工智能模型揭示了薄膜中树枝状生长的秘密

Thin film devices, composed of layers of materials a few nanometers thick, play an important role in various technologies, from semiconductors to communication technologies. For instance, graphene and hexagonal-boron nitride (h-BN) multilayer thin films,

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2025-04-20 02:18:13动物植物
科学家揭示八倍体草莓着丝粒的进化动力学

The modern cultivated strawberry (Fragaria x ananassa) originates from interspecific hybridization between two octoploid wild species: F. virginiana and F. chiloensis. However, the differences in centromere characteristics and evolutionary patterns betwee

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2025-04-20 02:06:29动物植物
减少海鲜浪费:丢弃的鱼类部分具有未开发的营养潜力

Up to two-thirds of the fish caught never reach the dinner table. SINTEF researcher Line Skontorp Meidell wants to fix that.

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2025-04-20 02:03:15前沿信息
可穿戴设备的碳纳米管线可以用现有的纤维制造工艺制成

Dr. Han Joong Tark's team at KERI's Nano Hybrid Technology Research Center has successfully fabricated "functional wires," which are the foundation of wearable electronic devices, by directly applying the existing synthetic fiber processing me

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2025-04-20 01:52:15动物植物
硝酸盐如何克服植物激素抑制以促进种子发芽

Abscisic acid (ABA), a key environmental response hormone, strongly inhibits seed germination and serves as a central regulator in this process. While significant progress has been made in deciphering the molecular mechanisms of ABA-mediated germination s

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2025-04-20 01:50:58前沿信息
“分子库”开辟了生物时空的新前沿

In the search for solutions to diseases like cancer, scientists are pursuing a new frontier in biology—the spatial and temporal places where our cells live.

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2025-04-20 01:40:18动物植物
抑制细菌流动:一种对抗疾病的新方法

Researchers have identified a new way to fight infections like Lyme disease and syphilis by disrupting the bacteria's "motor," preventing it from spreading through the body.

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2025-04-20 01:38:24前沿信息
离子与金配合物的配对为有机电子学提供了新途径

Unsubstituted π-electronic systems with expanded π-planes are highly desirable for improving charge-carrier transport in organic semiconductors. However, their poor solubility and high crystallinity pose major challenges in processing and assembly, despit

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2025-04-20 01:27:45动物植物
发现延迟开花的化合物可以提高作物产量

In an era where climate change threatens food security, scientists worldwide are searching for reliable ways to improve crop production. Extreme weather and shifting seasonal patterns can disrupt traditional agricultural cycles, making technologies that r

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