2024-06-21 04:14:18动物植物
研究人员发出“行动呼吁”,要求获得更多种类狗主人的数据

Virginia Tech's Audrey Ruple and Courtney Sexton, already deeply involved in data collection and analysis for dog health and connections to humans through the Dog Aging Project, are imploring fellow scientists to cast the net even wider for data on the s

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2024-06-21 04:03:23动物植物
用于识别鲨鱼和鳐鱼的技术进步并不能阻止交易和灭绝风险的增加:研究

The most advanced molecular techniques contribute significantly to the identification of endangered sharks, rays and skates, collectively known as elasmobranchs, and are therefore fundamental to the enforcement of the laws and regulations governing trade

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2024-06-21 03:52:25动物植物
问答:寻找适应未来气候的玉米品种

Corn is one of the planet's most important crops. It not only provides sweet kernels to flavor many dishes, but it's also used in oils, as a sweetener syrup, and as a feed crop for livestock. Corn has been bred to maximize its yield on farms around the

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2024-06-21 03:40:11动物植物
共生细菌产生的一种化合物促进体外蛋白质合成

A research team led by Associate Professor Atsushi Nakabachi of the Toyohashi University of Technology Research Center for Agrotechnology and Biotechnology has revealed that the compound diaphorin produced by an insect symbiotic bacterium promotes the act

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2024-06-21 03:28:43动物植物
用于高级计算模拟的新的简化DNA模型

DNA is the molecule that contains all the genetic information necessary for the development and functioning of living organisms. It is organized in a structure called "chromatin," which is found inside the nucleus of cells. The shape that chroma

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2024-06-21 03:17:23动物植物
研究表明,更长的无冰期可能会导致哈德逊湾北极熊的数量减少

Global warming is projected to lengthen the ice-free period in the Hudson Bay, reducing the length of the resident polar bears' hunting season, according to research published in Communications Earth & Environment. Under a temperature rise of mor

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2024-06-21 03:02:26动物植物
揭开古代奇观:南非发现世界上最古老的有人居住的白蚁丘

Scientists have discovered the world's oldest, inhabited termite mounds along the Buffels River in Namaqualand. These mounds, dating back a staggering 34,000 years, are rewriting our understanding of prehistoric life, climate and carbon storage.

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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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