2025-05-11 08:53:24动物植物
昂贵的捕捞:研究揭示了金枪鱼捕捞设备对全球海洋生物的惊人成本

They are large rafts that drift thousands of kilometers across the ocean surface, moving with the currents in an otherwise featureless marine environment. Tracked by satellites, the rudimentary floats—which may also be outfitted with long, submerged tails

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2025-05-11 08:41:39动物植物
人工智能设计的DNA首次控制健康哺乳动物细胞中的基因

A study published in the journal Cell marks the first reported instance of generative AI designing synthetic molecules that can successfully control gene expression in healthy mammalian cells.

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2025-05-11 08:30:02动物植物
只有30种树种主宰着世界上最多样化的热带稀树草原

Scientists have found that a mere 30 species of trees in the Cerrado—the world's largest and most floristically diverse savanna—account for nearly half of all its trees.

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2025-05-11 08:18:23动物植物
研究发现,朝鲜的非法野生动物贸易威胁着濒危物种

The North Korean government engages in unsustainable and illegal wildlife trade, which includes species protected under its own laws and poses a threat to biodiversity recovery in the region, finds a new study by UCL researchers.

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2025-05-11 08:05:30动物植物
研究表明,土著人民的文化焚烧增加了定居点附近森林中的橡树

A debate continues among scientists over whether tree composition in forests in eastern North America historically have been influenced more by climate or by cultural burning, which is the intentional and controlled use of fire by Indigenous people to man

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2025-05-11 07:55:10动物植物
生长缓慢的细菌对环境反应更敏感

Researchers led by Professor Erik van Nimwegen at the Biozentrum, University of Basel, have discovered a new mechanism in bacteria that controls their response to prevailing environmental conditions. They derived their theory from a simple yet interesting

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2025-05-11 07:40:34动物植物
影响果蝇性别比的自私基因具有独特的自限性机制

When a species reproduces, typically, each parent passes on one of their two versions (alleles) of a given gene to their offspring. But not all alleles play fair in their quest to be passed onto future generations.

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2025-05-11 07:28:48动物植物
科学家解开5亿年化石之谜

A peculiar spiny fossil, once thought to represent one of the earliest mollusks, has now been conclusively reclassified by scientists from Durham University and Yunnan University as something entirely different—a distant relative of sponge-like creatures

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2025-05-11 07:14:13动物植物
在西班牙海岸发现了以前不为人知的手风琴蠕虫

What lives off the Northwest coasts of Spain and shrinks to one-fifth of its size when alarmed? Enter the accordion worm. This recently identified marine ribbon worm, colored brown to dark green, measures 110–250 mm long and 3–4 mm wide in its unbothered

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2025-05-11 07:02:34动物植物
廉价的无人机技术显示了社区森林恢复和资金的前景

Accessing carbon and nature payments from governments and other organizations often requires robust measurements to quantify restoration's positive impact, but these can be beyond the capacity of community organizations.

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2025-05-11 06:49:45动物植物
舌头甜味传感器的3D地图可能会带来抑制糖分渴望的新方法

Our attraction to sugar has grown to an unhealthy level. The average person in the United States now consumes more than 100 pounds of the sweet stuff every year, up from 18 pounds in 1800.

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2025-05-11 06:38:55动物植物
在出现耐药性的情况下,酶可以恢复抗生素的作用

Bacterial resistance negates the effect of antibiotics in the treatment of infection. Using mouse models, researchers now show that if antibiotics are administered with an enzyme called endolysin, the combined effect protects against infection by resistan

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