2024-07-02 18:01:25动物植物
基于无人机的新方法增强小麦均匀性监测和产量预测

A research team has developed an innovative method to quantify wheat uniformity using unmanned aerial vehicle (UAV) imaging technology. This method estimates leaf area index (LAI), SPAD, fractional vegetation cover, and plant height, calculating 20 unifor

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2024-07-02 17:49:35动物植物
研究表明,蝗虫通过嗅觉成群地检测食物

Locusts adapt their sense of smell to better detect sparse food sources in crowded swarms of up to billion animals, as researchers from the Cluster of Excellence Collective Behavior at the University of Konstanz discovered. They published their results in

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2024-07-02 17:37:51动物植物
饥饿率最高的大多数气候脆弱国家在农业食品研究中的代表性明显不足

The most climate-vulnerable countries with the highest hunger rates are significantly under-represented in agrifood research—sparking a need for urgent action and increased investments to redress this imbalance, a major new study has found.

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2024-07-02 11:42:03动物植物
越来越多的证据表明:人类应对大型哺乳动物的灭绝负责

The debate has raged for decades: Was it humans or climate change that led to the extinction of many species of large mammals, birds, and reptiles that have disappeared from Earth over the past 50,000 years?

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2024-07-02 11:27:24动物植物
研究揭示了鱼类在世界最温暖水域所采取的独特生存策略

A team of researchers have identified unexpected ways coral reef fish living in the warmest waters on Earth, in the Arabian Gulf, have adapted to survive extreme temperatures.

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2024-07-02 11:13:13动物植物
靶向蛋白质降解:新的衔接分子扩大了细胞废物处理系统的潜力

Disease-causing proteins can be removed from the cell through targeted protein degradation. For this, the protein must be connected to one of the approximately 600 endogenous so-called ubiquitin ligases. So far, clinical success has only been achieved wit

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2024-07-02 11:01:12动物植物
野生蝙蝠被发现具有高认知能力,以前被认为是人类独有的

Researchers at Tel Aviv University have tracked free-ranging Egyptian fruit bats from a colony based in the TAU's I. Meier Segals Garden for Zoological Research to answer a long-standing scientific question: Do animals have high and complex cognitive abi

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2024-07-02 10:51:08动物植物
通过历史深潜揭示了世界上养殖和驯养狐狸的遗传模式

Domesticated animals play a prominent role in our society, with two-thirds of American families enjoying the companionship of pets and many others relying on animal products for their nutritional needs. But the process of domestication remains a bit of a

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2024-07-02 10:39:37动物植物
研究人员训练绵羊完成清醒的MRI成像

Magnetic resonance imaging (MRI) is a technique commonly used to explore the brains of sheep. Until now, it had only been performed under general anesthesia, to ensure the animal's immobility. Anesthesia, however, leads to stress and other negative side-

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2024-07-02 10:28:05动物植物
6000万年前的葡萄籽揭示了恐龙的死亡可能为葡萄的传播铺平了道路

If you've ever snacked on raisins or enjoyed a glass of wine, you may, in part, have the extinction of the dinosaurs to thank for it. In a discovery described in the journal Nature Plants, researchers found fossil grape seeds that range from 60 to 19 mil

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2024-07-02 10:17:08动物植物
“庞贝三叶虫”:在火山灰中发现的保存完好的古代海洋生物化石

If you've ever visited the fossil gallery of a natural history museum—or its gift shop, for that matter—you've probably seen the armored body remains (or exoskeletons) of an extinct group of animals called trilobites. These ancient marine arthropods liv

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2024-06-30 13:09:15动物植物
除非我们减少排放,否则破坏性的珊瑚白化现象将更加普遍,开始得更早,持续时间更长

Coral bleaching is becoming much more common as a result of increasingly severe and frequent marine heat waves. Four global mass bleaching events have happened since 1998. Two of these were in the past decade.

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