Lab-Grown Minihearts Beat Like the Real Thing

May 21, 2021

(Science) – They are no bigger than sesame seeds, and they pulse with a hypnotic rhythm. These are human “minihearts,” the first to be created in the lab with clearly beating chambers. The miniature organs, or organoids, mimic the working heart of a 25-day-old human embryo and could help unravel many mysteries—including why babies’ hearts don’t scar after they experience a heart attack. (Read Full Article)