These Beating Mini-Hearts Could Save Big BucksAnd Maybe Lives

Published: June 27, 2018, 4:31 p.m.

Crack open the door of the incubator at Novoheart\u2019s Hong Kong headquarters and you\u2019ll find about a dozen pea-shaped, pulsating blobs submerged in a warm, salty-sweet broth. They\u2019re 3-D human heart organoids\u2014a simplified, shrunk-down version of the real thing\u2014the first ever to contain a hollow chamber, like one of the four that\u2019s beating inside your chest right now. And they\u2019re the future of drug testing.