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Science · Nature News

Miniaturizing and modifying natural proteins with Raygun

Nature, Published online: 29 July 2026; doi:10.1038/s41586-026-10842-8Probabilistic sequence encoding from language model embeddings within a generative AI framework enables protein miniaturization, modification and augmentation while maintaining native architecture and functional integrity.

Science · Nature News

Cretaceous zhelestid mammals are zalambdalestoids

Nature, Published online: 29 July 2026; doi:10.1038/s41586-026-10861-5New Mongolian fossil evidence shows zhelestids were not placental-like herbivore relatives, but a dental variant within Zalambdalestoidea, with distinctive molars alongside zalambdalestid skull and limb traits.

Science · Nature News

Intestinal stem cells count self-renewal divisions to switch multipotency

Nature, Published online: 29 July 2026; doi:10.1038/s41586-026-10814-yIn Drosophila, cell fate switching in adult intestinal stem cells is determined through an epigenetic mechanism in which these cells count divisions, switching from producing enterocytes to producing an enteroendocrine mother cell every ninth division.

Science · Nature News

A guide to the Nature Index

Nature, Published online: 29 July 2026; doi:10.1038/d41586-026-02183-3A description of the terminology and methodology used in this supplement, and a guide to the functionality that is available free online at natureindex.com.

Science · Nature News

Daily briefing: Ice-age art hints at how humans flourished

Nature, Published online: 29 July 2026; doi:10.1038/d41586-026-02400-zTiny bird figurines hint at the sophistication of Europe’s earliest Homo sapiens. Plus, open peer-review reports are less likely to be retracted and a mission to fly over dangerous ‘fire clouds’.

Science · Nature News

How fruit flies track the edge of odour plumes

Nature, Published online: 29 July 2026; doi:10.1038/d41586-026-02325-7Ants and bees are known to use spatial memories to navigate to fixed locations, such as a nest. Virtual-reality experiments in which Drosophila fruit flies follow fictive odour plumes now show that these insects use components of a similar memory-guided navigational toolkit to track the edge of a plume towards its source.