Daily briefing: The unusual mathematics that gives rose petals their shape
Nature, Published online: 02 May 2025; doi:10.1038/d41586-025-01416-1Unusual ‘extrinsic’ geometries give rose petals their curled edges and pointed corners. Plus, a new technique that can directly edit proteins in living cells and how India rewrote the rules of space travel when it launched its first satellite.

Nature, Published online: 02 May 2025; doi:10.1038/d41586-025-01416-1Unusual ‘extrinsic’ geometries give rose petals their curled edges and pointed corners. Plus, a new technique that can directly edit proteins in living cells and how India rewrote the rules of space travel when it launched its first satellite.