一种以原子核跃迁为频率基准的钟，终于在实验室里运行起来。2026年10月7日，《自然》发表了两项独立研究：清华大学丁世谦及合作者与维也纳工业大学Thorsten Schumm与德国联邦物理技术研究院 Ekkehard Peik 等研究者，分别构建出基于钍-229的核钟，并成功实现了稳定的闭环运行。两组都让激光频率接受原子核的持续校准，完成了从测量核跃迁到运行核钟的关键一步。[1，2] “这是计量学 ...

Zebrafish neural crest cells migrating through extremely confined embryonic tissues deform their nuclei dramatically yet ...

New research shows that the Super Elongation Complex drives both stem cell reprogramming and neural differentiation by ...

Gene-editing technologies enabled researchers to trace the cell-by-cell development of a single fertilised mouse egg to a ...

Using genome editing to trace cell lineages, researchers capture the early history of the mouse embryo in unprecedented ...

The human body begins with a single fertilized egg formed by the union of a sperm and an egg. As the fertilized egg ...

Three years ago, George Kassiotis and his team made an unexpected discovery: A specific way of producing a protein called ...

DNA typewriter maps mouse embryo development to reveal disease origins Barcode trail tracks cell family trees to pinpoint ...

Karl Deisseroth, Peter Hegemann and Georg Nagel received the 2026 award for their contributions to a revolutionary technique ...

Three people have received an innovative treatment designed to rejuvenate vision cells. In a presentation at the annual ...

DNA Typewriter and PEtracer reconstruct mouse cell lineages at high resolution, revealing when cell fates diverge during ...

Two research teams used genome editing to create detailed cell lineage maps of mouse embryos, tracing development up to the ...