Cardiomyocytes can be sorted to high purity upon staining them with a dye that labels mitochondria. This permits the preparation of pure populations of cardiomyocytes differentiated from stem cells.

Three years into the country’s catastrophic civil war, Sudan’s patchwork of battlefields has hardened into something that resembles a de facto partition. General Abdel Fattah al-Burhan’s Sudanese ...