2024-05-28 15:41:45动物植物
寻找动物集体运动的节拍:科学家表明互惠是驱动协调运动的关键

Across nature, animals from swarming insects to herding mammals can organize into seemingly choreographed motion. Over the last two decades, scientists have discovered that these coordinated movements arise from each animal following simple rules about wh

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2024-05-28 15:31:03动物植物
研究表明,在全球变暖时期,性寄生帮助琵琶鱼入侵深海

Members of the vertebrate group including anglerfish are unique in possessing a characteristic known as sexual parasitism, in which males temporarily attach or permanently fuse with females to mate. Now, researchers reporting in the journal Current Biolog

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2024-05-28 15:17:47动物植物
当喂食能量饮料(如咖啡因)时,觅食蚂蚁的导航效率更高

Ants who receive a caffeine-laced sugary reward become more efficient at navigating back to the reward's location compared to ants that only receive sugar. Researchers report on May 23 in the journal iScience that caffeinated ants move toward the reward

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2024-05-28 15:05:18动物植物
丝鲨在热带东太平洋国际水域的迁徙破纪录

In a recent study, researchers have documented the most extensive migration ever recorded for a silky shark (Carcharhinus falciformis), revealing critical insights into the behavior of this severely overfished species and emphasizing the urgent need for c

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2024-05-28 14:51:05动物植物
研究人员建议使用停电来确定人造光对野生动物的影响

New research proposes the use of electrical blackouts, such as those experienced during loadshedding in South Africa, to enhance our understanding of how artificial light in urban areas may be affecting wildlife behaviors.

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2024-05-28 14:37:58动物植物
三姐妹花园研究发现平衡的传粉昆虫植物网络面临不确定的未来

The loss of even one wild bee species can disrupt the reproductive success of certain plants resulting in fewer vegetables, fruits and flowers, say York University researchers who studied how pollinators and plants rely on each other, specifically in Indi

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2024-05-28 14:23:29动物植物
研究揭示了植物-细菌通讯在组装健康植物微生物组中的关键作用

In an interdisciplinary study, researchers have discovered that symbiotic bacteria communicate with legume plants through specific molecules and that this communication influences which bacteria grow near the plant roots. The findings provide insights int

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2024-05-28 14:12:31动物植物
年度父母:清扫猛禽在饲养小鸡方面表现出高度合作

Let's face it, scavengers have a bad reputation. However, according to a new paper published in the Journal of Raptor Research, pairs of scavenging falcons called Chimango caracaras (Milvago chimango) demonstrate an endearing level of collaboration while

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2024-05-28 14:00:53动物植物
Birdsong和人声构建于同一基因蓝图

Humans have long been fascinated by bird song and the cacophony of other avian sounds—from coos and honks to quacks and peeps. But little is known about how the unique vocal organ of birds—the syrinx—varies from species to species or its deeper evolutiona

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2024-05-28 13:48:54动物植物
新的“图谱”为基因在早期胚胎发育中的作用提供了前所未有的见解

Although the Human Genome Project announced the completed sequencing of 20,000 human genes more than 20 years ago, scientists are still working to grasp how fully formed beings emerge from basic genetic instructions.

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2024-05-28 13:37:23动物植物
芬兰发现猫新毛型的基因突变

A team of geneticists and animal welfare specialists from the U.K. and one from the U.S. has identified the genetic mutation responsible for a newly discovered cat coat color pattern in Finland. In their study, published in the journal Animal Genetics, th

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2024-05-28 13:24:41动物植物
研究表明,乌鸦可以故意计划打多少电话

In a behavioral experiment, crows were able to learn to produce a set number of calls. This involves them planning in advance. From the sound of the first call in a numerical sequence, it is possible to predict how many calls the crows will make. A resear

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