2025-05-10 23:17:12动物植物
番茄成熟受减缓动物和人类衰老的相同细胞过程的调节

In research published in New Phytologist, investigators reveal that tomato ripening is regulated by the same mechanism that contributes to humans' and animals' life- and health spans.

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2025-05-10 23:05:57动物植物
伐木破坏了维多利亚州的原生森林——新的研究表明,20%的森林未能恢复生长

Following the end of native logging in Victoria on January 1 2024, the state's majestic forests might be expected to regenerate and recover naturally. But our new research shows that's not always the case.

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2025-05-10 22:51:50动物植物
进化拯救:环境压力下的微生物可能会为了自给自足而牺牲合作

Microorganisms—defined as very small living beings, invisible to the naked eye, comprising bacteria, fungi, viruses or others—naturally compete and cooperate in nature for survival. What does the "environmental stress" to which they are subjecte

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2025-05-10 22:40:15动物植物
工程酶能够精确控制细胞中的线粒体DNA突变水平

Mitochondrial diseases affect approximately 1 in 5,000 people worldwide, causing debilitating symptoms ranging from muscle weakness to stroke-like episodes. Some of these conditions result from mutations in mitochondrial DNA (mtDNA), the genetic material

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2025-05-10 22:30:04动物植物
失去经验丰富的大象个体如何阻止代际之间的知识转移

A new study has revealed how the loss of experienced individual elephants stops the knowledge transfer between generations, putting elephant societies at risk.

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2025-05-10 22:17:09动物植物
科学家开发出抗蛇毒血清,可以中和世界上19种最致命的蛇的神经毒素

By using antibodies from a human donor with a self-induced hyper-immunity to snake venom, scientists have developed the most broadly effective antivenom to date, which is protective against the likes of the black mamba, king cobra, and tiger snakes in mou

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2025-05-10 22:02:49动物植物
“跳跃基因”如何在细胞分裂过程中渗透DNA

Viruses are known to use the genetic machinery of the human cells they invade to make copies of themselves. As part of the process, viruses leave behind remnants throughout the genetic material (genomes) of humans. The virus-like insertions, called "

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2025-05-10 21:51:02动物植物
遗传分析揭示了与边境牧羊犬和其他品种的放牧技能相关的关键变异

Two life scientists at Gyeongsang National University and a geneticist from the National Institutes of Health, in the U.S. have identified the canine genetic footprint that makes dogs natural herders. In their study published in the journal Science Advanc

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2025-05-10 21:37:53动物植物
研究发现精子中的热激活开关对生育能力至关重要

In mammals—including us humans—sperm are surprisingly picky about temperature, thriving best in conditions a few degrees cooler than normal body temperature. But, given that the female reproductive tract is warmer than normal body temperature, how do thes

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2025-05-10 21:26:54动物植物
立即行动,否则等待几个世纪:海洋修复的成功取决于立即干预

Marine habitats are facing unprecedented threats, with 66% of coastal areas already altered and degraded. Bottom-contact fisheries, which use indiscriminate trawling, physically damage almost 5 million square kilometers of the seafloor each year.

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2025-05-10 21:16:32动物植物
没心情:水星扰乱了鸣禽的交配游戏

Before they can fight to survive, some endangered songbirds are losing their groove and being robbed of their chance at love—all because of what's in their food.

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2025-05-10 21:01:55动物植物
长期田间试验表明,组合方法可以最大限度地提高草原恢复的效益

Results from a long-term field experiment shed new light on how grasslands can be restored for nature, the environment, and for farmers.

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