2025-04-19 21:06:35动物植物
在气候变化中,座头鲸利用记忆来判断迁徙时间可能不太有效

A new study led by McGill University researchers indicates that humpback whales in the southeastern Pacific combine real-time environmental cues with their memories of conditions in their Antarctic feeding grounds to determine when to embark on their annu

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2025-04-19 20:52:57动物植物
野生土拨鼠的社交网络揭示了有争议的进化理论

It probably feels obvious that having a close friend can influence your well-being. But do the groups that you're a part of also affect your well-being? For example, does the culture of your work colleagues influence your productivity?

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2025-04-19 20:42:31动物植物
软骨和骨骼发育:骨骼形成的三条途径

In vertebrates, the skeleton of different regions of the body arises from different precursor cells. Researchers at the University of Basel have now discovered that these skeletal cells do not just differ in their developmental origin, but also in their g

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2025-04-19 20:32:07动物植物
澳大利亚北部发现蜘蛛世界的大师级建筑师

A team of scientists led by The University of Western Australia has discovered two new species of trapdoor spiders in the Kimberley region, marking the first time members of the species have been found in northern Australia.

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2025-04-19 20:19:35动物植物
关键血液防御受体CD163首次定位

CD163 might not be the most exciting name in the world, but behind it lies one of the body's most important defense receptors, which steps in when red blood cells break down and release harmful hemoglobin. Now, researchers at Aarhus University are the fi

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2025-04-19 20:07:59动物植物
基因树如电影:超越祖先的静止肖像

University of Michigan researchers have developed a statistical method that can be used for such wide-ranging applications as tracing your ancestry, modeling disease spread and studying how animals spread through geographic regions. Their results are publ

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2025-04-19 19:55:03动物植物
膜蛋白揭示了药物作用于细胞的新途径

Cell membrane proteins hide secret gateways that can be used to modify cell behavior. This has been demonstrated in a study led by the Hospital del Mar Research Institute and published in Nature Communications.

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2025-04-19 19:43:16动物植物
发现揭示了促进小麦防御毁灭性疾病的关键分子事件

A new study published in Science by a team of scientists across five continents led by King Abdullah University of Science and Technology (KAUST) Associate Professor Brande Wulff reports a previously unknown molecular event that initiates the immune respo

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2025-04-19 19:30:07动物植物
关于基因组多样性的假设可能会造成种群健康的保护错觉

Researchers at the University of Copenhagen have found that the critically endangered regent honeyeater faces hidden genetic risks while still retaining relatively high genetic diversity, risks that become apparent when combining genomic data across time

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2025-04-19 19:18:13动物植物
“由内而外”的化石揭示了一个内部保存完好的新物种

A new species of fossil from 444 million years ago that has perfectly preserved insides has been affectionately named "Sue" after its discoverer's mom.

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2025-04-19 19:06:09动物植物
一些树木在雷击后茁壮成长:电击如何促进生存和生长

Getting zapped with millions of volts of electricity may not sound like a healthy activity, but for some trees, it is. A new study, published in New Phytologist, reports that some tropical tree species are not only able to tolerate lightning strikes, but

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2025-04-19 18:53:24动物植物
酶工程:选择性破坏致病蛋白的新方法

Scientists have long struggled to target proteins that lack defined structure and are involved in cancer, neurodegenerative disorders like Parkinson's disease, and other serious illnesses. Now, a new study from Scripps Research demonstrates a proof of co

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