2024-06-21 02:51:17动物植物
不是包裹而是折叠:细菌也会组织它们的DNA,但它们的做法有点不同

Some bacteria, it turns out, have proteins much like ours that organize the DNA in their cells. They just do it a bit differently. This is revealed by new research from biochemists at the Leiden Institute of Chemistry and the Max Planck Institute for Biol

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2024-06-21 02:39:20动物植物
古生物学家鉴定出一种新的鱼类化石属

Gobies or Gobioidei are one of the most species-rich groups of marine and freshwater fish in Europe. Spending most of their lives on the bottom of shallow waterbodies, they make substantial contributions to the functioning of many ecosystems.

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2024-06-21 02:26:16动物植物
研究人员发现蜜蜂可以检测出癌症

Michigan State University researchers have discovered that honeybees can detect biomarkers or chemical concentrations associated with lung cancer in human breath. The researchers have also shown that the honeybees can distinguish between different lung ca

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2024-06-21 02:15:58动物植物
现代种子还没有为气候变化做好准备:小农可能掌握着未来粮食安全的关键

Humans have radically altered the evolution of agricultural plants since World War Two, remaking our seed system with industrial agricultural practices to feed a growing population. Yet in the changing climate of decades to come, UVM researchers say, the

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2024-06-21 02:05:47动物植物
研究发现,野生大黄蜂能够进行逻辑推理

Wild bumblebees are capable of logical reasoning, new research by a University of Stirling psychologist has found. The pioneering study tasked bees with spontaneously finding corresponding sugar-coated strips of paper. The paper, "Spontaneous relatio

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2024-06-21 01:51:19动物植物
夏日睡眠:种子如何休眠以对抗恶劣条件

Plants are highly versatile organisms that have developed remarkable strategies to adapt to different environments. One such strategy is seed dormancy, an adaptation that temporally prevents viable seeds from germinating even under optimal conditions, whe

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2024-06-21 01:37:28动物植物
巨型深海通气管虫共生体使用两种碳固定途径以创纪录的速度生长

In the deep-sea environment of the East Pacific Rise, where sunlight does not penetrate and the surroundings are known for their extreme temperatures, skull-crushing pressures, and toxic compounds, lives Riftia pachyptila, a giant hydrothermal vent tubewo

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2024-06-21 01:22:59动物植物
新型路灯,减少昆虫死亡——昆虫友好型照明成功测试

In a transdisciplinary study, a research team led by IGB has developed insect-friendly street lighting and tested it in the Dark Sky Reserve Westhavelland as well as in three German municipalities. Tailored and shielded road lights make the light source a

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2024-06-21 01:10:42动物植物
新方法能够快速分析内在无序蛋白质的晶体结构

Intrinsically disordered proteins (IDPs) can dynamically change their conformations depending on their external environment and can, therefore, bind to different compounds. However, they are difficult to analyze. Now, Tokyo Tech researchers have addressed

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2024-06-21 00:57:42动物植物
工程植物生产母乳糖,可以生产更健康的婴儿配方奶粉

Worldwide, a majority of babies—approximately 75%—drink infant formula in their first six months of life, either as a sole source of nutrition or as a supplement to breastfeeding. But while formula provides essential food for growing babies, it currently

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2024-06-21 00:44:40动物植物
研究揭示植物病原体将噬菌体元素重新用于细菌战

Bacteriophages, viruses that attack and destroy bacteria, are everywhere in the natural world where they play a vital role in regulating microbe populations in ways that are not yet well understood.

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2024-06-21 00:31:51动物植物
在全球变暖的情况下,出汗的牛可能会提高粮食安全

Sweaty cows may not sound like the most exciting company, but in a warming world, researchers can't get enough of them. When cattle are too hot, they tend to stop eating, said Raluca Mateescu, University of Florida Institute of Food and Agricultural Scie

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