"I came here and I proved they're keeping babies alive and taking their organs."
The U.K. imports thousands of sperm samples from Europe each year, and a no-deal Brexit could see supplies could decrease quantities.
Doctors will use the synthetic organs to study the individual patients' anatomy.
Sheep could be the perfect vessel.
The work shows "how important serendipity is for evolution."
Organoids are clusters of cells that organize themselves into mini versions of our organs.
At a Vatican summit, the former deputy health minister said some violation of the law on taking organs from executed prisoners was likely.
New method scraps ice for a system that mimics the human body, keeping organs vital indefinitely.