组织驻留巨噬细胞（RTM）在胚胎发育过程中形成，能够在局部自我更新，并通过清除死亡细胞和碎片来调节组织的稳态。然而，在组织受损时，骨髓来源的单核细胞会进入组织并分化为 RTM，修复组织并补充组织中的巨噬细胞。控制单核细胞向 RTM ...

这一问题其实并不罕见。2015年的一项研究估计，有1.7%的科学家承认自己有过剽窃行为，30%的科学家知道同事有剽窃行为。 LLM可能会让事情变得更糟。如果有人要求LLM对措辞进行转述，那么故意剽窃人类撰写的文本这一行为就很容易被伪装起来。

What factors contribute the most to PhD satisfaction? Stipends that are more than just a living wage? Manageable, if not predictable, hours? A collegial and mutually supportive team? These all matter, ...

细菌与噬菌体之间的军备竞赛已经持续了数十亿年。这场没有硝烟的战争催生了地球上最复杂、最精巧的防御系统。当我们以为自己已经通过Cas9、Cas12a或Cas13窥探到了CRISPR-Cas系统的全貌时，自然界总能以一种令人惊叹的方式提醒我们：我们所知的，不过是冰山一角。

Forbes contributors publish independent expert analyses and insights. I cover global and domestic health care and conservation. The world today faces a convergence of crises – environmental, economic, ...

近日，上海交通大学变革性分子前沿科学中心长聘教轨副教授、吕志和科学园入驻科学家孙浩团队在《Nature》在线发表题为 “High-voltage anode-free sodium-sulfur batteries” ...

Over the past 220 years, the connection between people and nature has declined by more than 60%. That's the key finding of a study led by Miles Richardson, a professor of nature connectedness at the ...

Being in nature is great for your brain. Experts are trying to figure out why. By Dana G. Smith In 2008, 38 students at the University of Michigan set out on a walk. Half of them wound their way ...