With his new encyclical, Pope Francis added his voice to this chorus of encouragement inviting people not to lose heart.

Researchers have developed a way of bioprinting tissues that change shape as a result of cell-generated forces, in the same way that it happens in biological tissues during organ development. The ...

It all takes place inside a computer, where the test can be replicated across thousands of other hearts - all AI-simulated versions of a real human heart. Human and animal trials, on the other ...