or add human heart muscle cells to the structure, to make it beat like the real thing. These are already grown in labs, where scientists take stem cells and differentiate them into heart cells.

And while it won’t be taking over the job of a real heart any time soon, it does hint at a future of smaller and more human-like artificial organs. This new silicone heart was developed by ...

In so doing, they found the LV capable of faithfully simulating the actions of a real human heart. The team also tested the device's ability to be configured in ways that mimic heart conditions ...