2024-03-04 21:30:25动物植物
人造生态系统可以带来更好的生物能源作物

A greater understanding of how plants and microbes work together to store vast amounts of atmospheric carbon in the soil will help in the design of better bioenergy crops for the fight against climate change.

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2024-03-04 21:30:22动物植物
网络物理加热系统可以保护果园里的苹果花

Spring frosts can have devastating effects on apple production, and a warming climate may be causing trees to blossom early, making them more susceptible to the damaging effects of extreme cold events. Growers' attempts to prevent the flowers from freezi

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2024-03-04 21:30:18动物植物
腹泻犬体内发现抗微生物大肠杆菌

A team of Chinese veterinary researchers has found high levels of antimicrobial-resistant Escherichia coli in dogs with diarrhea. In their study, published in the open access journal PLOS ONE, the group tested fecal samples from 185 dogs with diarrhea.

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2024-03-04 21:30:16动物植物
高尔基体细胞器的带状结构并非脊椎动物独有,这与之前的共识相反

Researchers report February 29 in the journal Cell Reports that the Golgi ribbon, an organelle structure previously thought to be exclusive to vertebrates, is also present in animal taxa, including mollusks, earthworms, and sea urchins.

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2024-03-04 21:30:12动物植物
瘦身一头巨大的鲸鱼化石

A 30 million year-old fossil whale may not be the heaviest animal of all time after all, according to a new analysis by paleontologists at UC Davis and the Smithsonian Institution. The new analysis puts Perucetus colossus back in the same weight range as

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2024-03-04 21:30:09动物植物
新研究发现,微生物病毒是气候变化的秘密驱动因素

In a new study, scientists have discovered that viruses that infect microbes contribute to climate change by playing a key role in cycling methane, a potent greenhouse gas, through the environment.

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2024-03-04 21:30:07动物植物
植物生物学家发现有前景的新型杀菌剂

A promising new fungicide to fight devastating crop diseases has been identified by researchers at the University of California, Davis. The chemical, ebselen, prevented fungal infections in apples, grapes, strawberries, tomatoes and roses and improved sym

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2024-03-04 21:30:04动物植物
研究探索了蜥蜴“水肺潜水”的降温效果

Anoles are the scuba-diving champions of the lizard world, able to stay underwater for more than 16 minutes. For animals whose body temperature depends on the environment, time spent in a cool running stream can have some tradeoffs.

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2024-03-04 21:30:02动物植物
揭示罕见的多样性:树木可遗传突变的起源

What is the origin of genetic diversity in plants? Can new mutations acquired during growth be passed on to seeds? INRAE scientists, in collaboration with CIRAD and the CNRS, have used the French Guiana forest as the setting for their research, leading to

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2024-03-04 21:29:56动物植物
细胞结构如何导致健康问题

Human bodies make 2 million red blood cells per second. They each live for 120 days and spend that time zooming completely around the body every 20 seconds, carrying oxygen from the lungs to other tissues and bringing back carbon dioxide that is exhaled.

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2024-03-04 21:29:53动物植物
非洲大草原羚羊需要空间才能在气候变化中生存

Human-caused environmental changes threaten natural ecosystems. These ecosystems are essential to creating and maintaining a rich, resilient, and adaptable biosphere. In East Africa's savanna, antelope populations are vital for a healthy and functioning

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2024-03-04 21:29:51动物植物
犬齿揭示了人类性别估计的新关键

The Dental Anthropology Group at the Centro Nacional de Investigación sobre la Evolución Humana (CENIEH) has published a paper in the American Journal of Biological Anthropology on the morphological differences between the canines of men and women, underl

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