Live birth in a new lineage.

SCIENCE sciencemag.org P H O T O : R O G E R J . B IC K & B R IA N J . P O IN D E X T E R / U T -H O U S T O N M E D IC A L S C H O O L / S C IE N C E S O U R C E Fountain, which approaches the theoretical maximum for information stored per nucleotide. They demonstrated efficient encoding of information—including a full computer operating system—into DNA that could be retrieved at scale after multiple rounds of polymerase chain reaction. —LMZ