2023-11-20 16:46:57动物植物
湿地感染禽流感的监测及其发现

Recently, morning omelets and holiday dinners have gotten more expensive. One likely cause is bird flu, outbreaks of which led to the deaths of millions of chickens and turkeys from infection or culling in 2022, according to the U.S. Department of Agricul

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2023-11-20 16:46:56动物植物
微生物可以帮助减少对化肥的需求

Production of chemical fertilizers accounts for about 1.5 percent of the world's greenhouse gas emissions. MIT chemists hope to help reduce that carbon footprint by replacing some chemical fertilizer with a more sustainable source -- bacteria.

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2023-11-20 16:46:56动物植物
研究人员发现了促进收容所狗收养的方法

After a long day at work, you open the door to the place you call home. A chorus of furry happiness rushes toward you, the sound of unconditional canine love. With your return, your dog's world is whole.

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2023-11-20 16:46:55动物植物
大麻大麻素可能是为了阻止害虫而进化的

Cannabinoids, naturally occurring compounds found in hemp plants, may have evolved to deter pests from chewing on them, according to Cornell University research that showed higher cannabinoid concentrations in hemp leaves led to proportionately less damag

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2023-11-20 16:46:55动物植物
细菌如何识别病毒入侵并激活免疫防御

There's no organism on earth that lives free of threat -- including bacteria. Predatory viruses known as phages are among their most dire foes, infiltrating their cells to replicate and take over. Bacteria have evolved an array of strategies to counter t

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2023-11-20 16:46:55动物植物
肥胖者白天消耗的能量较少

Weight influences how and when bodies burn energy, new research indicates.

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2023-11-20 16:46:54动物植物
不仅仅是猫叫:细菌如何帮助猫交流

Many mammals, from domestic cats and dogs to giant pandas, use scent to communicate with each other. A new study from the University of California, Davis shows how domestic cats send signals to each other using odors derived from families of bacteria livi

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2023-11-20 16:46:54动物植物
忘记社交距离:家雀生病时会更善于社交

Social distancing when sick has become second nature to many of us in the past few years, but some sick animals appear to take a different approach. A new study of house finches led by Marissa Langager, a Ph.D. student in the Department of Biological Scie

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2023-11-20 16:46:53动物植物
扩大规定烧伤范围所需的改革

Prescribed fire, which mimics natural fire regimes, can help improve forest health and reduce the likelihood of catastrophic wildfire. But this management tool is underused in the fire-prone U.S. West and Baja California, Mexico, due to several barriers.

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2023-11-20 16:46:53动物植物
澳大利亚轨迹显示,白垩纪早期,鸟类在南极附近活动

The discovery of 27 avian footprints on the southern Australia coast -- dating back to the Early Cretaceous when Australia was still connected to Antarctica -- opens another window onto early avian evolution and possible migratory behavior.

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2023-11-20 16:46:52动物植物
以色列伪蝎子:发现两个新的家族记录

A new study on the pseudoscorpion fauna of Israel has been unveiled in a comprehensive publication titled "Pseudoscorpions of Israel: Annotated Checklist and Key, with New Records of Two Families." The research, conducted by Dr. Sharon Warburg, Dr. Efra

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2023-11-20 16:46:52动物植物
WhaleVis将一个多世纪的捕鲸数据转化为交互式地图

Even though they're the largest animals on earth, whales remain difficult to track. So experts often turn to historical whaling data to inform current research. A dataset maintained by the International Whaling Commission (IWC) contains detailed informat

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