2024-08-28 01:52:18动物植物
研究发现,蝴蝶积累的静电足以在不接触的情况下吸引花粉

Butterflies and moths collect so much static electricity while in flight, that pollen grains from flowers can be pulled by static electricity across air gaps of several millimeters or centimeters.

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2024-08-28 01:40:14动物植物
科学家发现,在深海黑暗中寻找光明和伴侣时,雄性龙鱼的眼睛会变大

A small but ferocious predator, the male dragonfish will apparently do anything for love. Or at least to find a mate. A study by researchers at Boston College found that the eyes of the male dragonfish grow larger for mate-seeking purposes, making the dra

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2024-08-28 01:28:53动物植物
塔可形节肢动物化石为第一批下颌骨的历史提供了新的见解

A new study, led by paleontologists at the Royal Ontario Museum (ROM) is helping resolve the evolution and ecology of Odaraia, a taco-shaped marine animal that lived during the Cambrian period.

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2024-08-28 01:17:17动物植物
成功抗击疟疾的意外后果

For decades, insecticide-treated bed nets and indoor insecticide spraying regimens have been important—and widely successful—treatments against mosquitoes that transmit malaria, a dangerous global disease. Yet for a time, these treatments also suppressed

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2024-08-28 01:05:56动物植物
世界上最具生产力的海洋生态系统之一的生物多样性如何变化

In research published in Global Change Biology, investigators have examined DNA within ocean bottom sediment cores to assess changes in living organisms within one of the world's most productive marine ecosystems: the Atacama Trench in the eastern Pacifi

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2024-08-28 00:52:34动物植物
研究人员首次记录了鲨鱼被船撞击的图像和数据

Hours after tagging an endangered basking shark off the coast of Ireland in April, researchers captured what they believe is the first ever video of a shark or any large marine animal being struck by a boat.

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2024-08-28 00:38:39动物植物
新的基因检测可以帮助消除狗的一种遗传性失明

Progressive retinal atrophy (PRA) is a group of inherited diseases that causes progressive degeneration of the light sensitive cells at the back of the eye. Dogs with PRA have normal sight at birth, but by the age of four or five they will be totally blin

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2024-08-28 00:24:57动物植物
科学家揭示了登革热病毒如何感染蚊子和人类宿主的基本规律

Mosquito-borne viral infections once confined to tropical regions are spreading. Dengue virus infects up to 400 million people worldwide each year according to World Health Organization estimates, and no available treatments exist for this disease.

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2024-08-28 00:11:15动物植物
人类压力的气味会影响狗的情绪,导致它们做出更悲观的选择

Dogs experience emotional contagion from the smell of human stress, leading them to make more 'pessimistic' choices, new research finds. The University of Bristol-led study, published in Scientific Reports on 22 July, is the first to test how human stre

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2024-08-22 06:37:58动物植物
干细胞治疗的进展:操纵干细胞的新技术为新的治疗方法打开了大门

A new technique developed by McGill researchers for mechanically manipulating stem cells could lead to new stem cell treatments, which have yet to fulfill their therapeutic potential.

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2024-07-22 20:31:54动物植物
生物学家发现雄性大象使用次声隆隆声发出“我们走”的信号

Bull elephants gather in the evening coolness to drink. After a spell, a senior male lifts his head and turns from the waterhole. With ears flapping gently, he lets out a deep, resonant rumble.

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2024-07-21 20:22:33动物植物
野生动物的垫脚石:连接孤立的栖息地如何帮助自然在我们的城市中茁壮成长

Imagine you're a fairywren living in a patch of scrub behind a schoolyard in the suburbs. It's been pretty nice so far, but a recent increase in neighborhood cats and the council's insect control tactics mean it's time to look for somewhere safer to l

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