2024-12-19 17:23:31前沿信息
2D材料提升p型晶体管性能,为未来技术铺平道路

After dominating the electronics industry for decades, conventional silicon-based transistors are gradually approaching their limits, which is preventing engineers from further reducing their size without affecting their performance. To continue advancing

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2024-12-19 17:20:53动物植物
巨型病毒编码细胞生命蛋白质制造机制的关键片段

Researchers at the University of Hawai'i at Mānoa have discovered that a virus, FloV-SA2, encodes one of the proteins needed to make ribosomes, the central engines in all cells that translate genetic information into proteins, the building blocks of life

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2024-12-19 17:07:21前沿信息
纳米药物递送系统消除了对复杂载体的需求

A team of University of Melbourne researchers from the Caruso Nanoengineering Group has created an innovative drug delivery system with outstanding potential to improve drug development.

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2024-12-19 17:07:16动物植物
加利福尼亚州记录的食肉松鼠

A ground squirrel with cheeks stuffed with nuts, seeds or grains is a common sight. But a new study provides the first evidence that California ground squirrels also hunt, kill and eat voles. The study, led by the University of Wisconsin-Eau Claire and Un

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2024-12-19 16:54:06动物植物
研究揭示了坏细菌如何引发痛苦的肠道收缩

After a meal of questionable seafood or a few sips of contaminated water, bad bacteria can send your digestive tract into overdrive. Your intestines spasm and contract, efficiently expelling everything in the gut—poop and bacteria alike.

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2024-12-19 16:52:07前沿信息
氟化策略释放石墨烯在光电和能源应用方面的潜力

Researchers from Tohoku University and collaborators have developed a weak fluorination strategy to address the zero-bandgap limitation of graphene. Details of the research were published in the journal Applied Physics Letters.

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2024-12-19 16:39:18动物植物
建立骨干:科学家在实验室中重建人体的“GPS系统”

Scientists at the Francis Crick Institute have generated human stem cell models which, for the first time, contain notochord—a tissue in the developing embryo that acts like a navigation system, directing cells where to build the spine and nervous system

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2024-12-19 16:36:16前沿信息
火箭激发的反应产生了创纪录表面积的碳

Using a chemical reaction inspired by rocket fuel ignition, Cornell researchers have engineered a nanoporous carbon with the highest surface area ever reported, a breakthrough that is already proving beneficial for carbon-dioxide capture and energy storag

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2024-12-19 16:25:20动物植物
科学家见证了两种蜥蜴首次相遇时的进化

In South Florida, two Caribbean lizard species met for the first time. What followed provided some of the clearest evidence to date of evolution in action.

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2024-12-19 16:14:39动物植物
座头鲸幼崽的录音揭示了它们向母亲发出的声音

A team of marine biologists, zoologists, and cetologists from Université Paris-Saclay, Université d'Antananarivo and Ambodiforaha Sainte Marie has learned more about the ways baby humpback whales and their mothers communicate.

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2024-12-19 16:03:43动物植物
第一项全球研究提供了对地球地下微生物组的见解

Which microbes thrive below us in darkness—in gold mines, in aquifers, in deep boreholes in the seafloor—and how do they compare to the microbiomes that envelop the Earth's surfaces, on land and sea?

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2024-12-19 15:49:21动物植物
保护秘鲁的高海拔草原是保护安第斯熊的关键

Andean bears carefully select the best foraging locations and plants to maximize nutrition and avoid livestock, according to a study published December 18, 2024, in PLOS ONE by Nicholas Pilfold at the San Diego Zoo Wildlife Alliance in California, U.S., a

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