3-D Printing Blood Vessels

Here is a truly amazing development:

https://www.jpost.com/science/the-future-of-personalized-medicine-technion-team-built-blood-tree-from-scratch-679872

What won't they do next?

By the way, does it seem like all this new stuff keeps coming out of Israel and not the US? Or am I just looking at the wrong websites?

Update - 9/24/2021

And they can make artificial mitochondria, too:

https://singularityhub.com/2021/09/21/scientists-created-artificial-mitochondria-that-can-make-energy-for-damaged-cells/