Thank you for visiting nature.com. You are using a browser version with limited support for CSS. To obtain
the best experience, we recommend you use a more up to date browser (or turn off compatibility mode in
Internet Explorer). In the meantime, to ensure continued support, we are displaying the site without styles
and JavaScript.
An expansion microscopy technique called ChromExM offers detailed views into the organization chromatin and associated gene expression machinery in embryos.
Researchers like the gene-editing method called prime editing for its precision and versatility. As they ask the method to do more, many factors shape what happens next.
Nature uses only the longest threads to weave her patterns, so that each small piece of her fabric reveals the organization of the entire tapestry. —Richard Feynman