2024-12-25 13:14:07动物植物
蜂蜜的微生物学:一首甜蜜的生命交响曲

Honey, a complex substance made by a variety of species of bees, is often celebrated for its sweetness and health benefits. In fact, humans have been using honey, sometimes called liquid gold, for generations to soothe cold symptoms and promote wound heal

阅读全文
2024-12-25 13:03:54动物植物
通过现场传感器、人工智能和生态建模减轻动物与车辆的碰撞

Collisions between animals and vehicles are a threat to conservation efforts and human safety, and have a massive cost for transport infrastructure managers and users.

阅读全文
2024-12-25 12:50:26动物植物
俄乌战争意外伤亡:遥远国家的饥饿人民

The war in Ukraine is causing hunger thousands of miles from the battlefields, according to a study in Communications Earth & Environment. Nearly three years of war in the "breadbasket of the world" has left croplands destroyed and forced la

阅读全文
2024-12-25 12:36:47动物植物
海蛇恢复了高级色觉,恢复了一种曾经在进化过程中失去的复杂特征

Nine species of sea snakes have now been identified as having regained the genetic requirements for advanced color vision, demonstrating that once a complex trait has been lost to evolutionary time, it may be regained in some way.

阅读全文
2024-12-25 12:24:13动物植物
新发现表明,巨型树懒和乳齿象在美洲与人类生活了数千年

Sloths weren't always slow-moving, furry tree-dwellers. Their prehistoric ancestors were huge—up to 4 tons (3.6 metric tons)—and when startled, they brandished immense claws.

阅读全文
2024-12-25 12:13:36动物植物
种植更安全的土豆:清除土豆中的毒素

Scientists have discovered a way to remove toxic compounds from potatoes, making them safer to eat and easier to store. The breakthrough could cut food waste and enhance crop farming in space and other extreme environments.

阅读全文
2024-12-25 11:59:46动物植物
研究人员发现,葡萄藤蛋白类似于动物的离子转运功能

Researchers at the University of Adelaide have discovered that a protein which mediates the transport of alkali metal ions, such as potassium, and halide ions across plant membranes acts similarly to a protein found in animals.

阅读全文
2024-12-25 11:48:10动物植物
基因编码的生物传感器实时测量活细胞的电荷

Biological cells have many vital functions in the organism. For example, they produce proteins, carbohydrates and fats. But they are also responsible for detoxifying harmful molecules and transmitting signals and immune defense steps. A so-called redox po

阅读全文
2024-12-25 11:33:19动物植物
全球研究揭示了气候变化下植物和动物之间的物候差异

A collaborative study reveals the distinct mechanisms by which plants and animals respond to climate change in their life-cycle phenology. This research, led by Piao Shilong's team and Zhang Yao's team from the Institute of Carbon Neutrality at Peking U

阅读全文
2024-12-25 11:20:20动物植物
圣诞树背后的科学:针叶树如何抵御冬季最恶劣的天气

As the festive season approaches, evergreen conifers like spruce and pine adorn homes worldwide. But while Christmas trees bring warmth and joy into our lives, they endure some of the harshest conditions on Earth in their natural habitats.

阅读全文
2024-12-25 11:07:02动物植物
细胞编程:新的RNA工具提高了合成遗传回路的精度

Researchers have successfully developed a modular synthetic translational coupling element (SynTCE), significantly enhancing the precision and integration density of genetic circuits in synthetic biology. Their study was recently published in the journal

阅读全文
2024-12-25 10:54:59动物植物
科学家引导干细胞的发展以再生和修复器官

Investigators from Cedars-Sinai and the University of California, San Francisco (UCSF) have identified a new way to deliver instructions that tell stem cells to grow into specific bodily structures, a critical step in eventually regenerating and repairing

阅读全文
 3154   首页 上一页 110 111 112 113 114 115 116 117 118 119 下一页 尾页