Beating human heart tissue grown in lab (VIDEO).

Tiny Human Hearts Formed in a Lab—and Then They Started Beating (Video)

Tiny Human Hearts Formed in a Lab—and Then They Started Beating (Video)

Slate in motion.
July 19 2015 8:01 AM

It’s Alive

How to get heart tissue to start beating in a lab.

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Screenshot via Slate

    By manipulating stem cells, scientists have found they can grow beating cardiac tissue in a petri dish. The cells "self-organized" to form microchambers, which slowly began to beat like a full-sized heart.

    Jim Festante is an actor/writer in Los Angeles and regular video contributor to Slate. He is the author of the Image Comics miniseries The End Times of Bram and Ben.