In a New York operating room one day in October 2025, doctors made medical history by transplanting a genetically modified pig kidney into a living patient as part of a clinical trial. The kidney had ...

Interestingly, carnivorous fish like tuna, salmon, and swordfish don’t fall under this “humans don’t eat carnivores” rule. These fish primarily eat other animals – smaller fish, crustaceans, and squid ...

There may be good reasons to object to using animals as living organ factories, including welfare concerns. But the rationale ...