In hopes of filling the shortage of donated organs, several biotech companies are genetically modifying pigs, so their organs are more humanlike, less likely to be destroyed by people’s immune ...

The US Food and Drug Administration allows doctors to transplant organs from pigs into humans under what’s commonly known as “compassionate use,” which permits use of an experimental therapy ...

When injected into guinea pigs, urine collected from patients with mania caused more convulsions and fatalities in the animals than urine from healthy volunteers. Cade suspected that urea might be the ...