Across continents, a new kind of predator is testing the boundaries between wild and domestic life, and the consequences are landing on people’s doorsteps. From wolf-dog packs in American suburbs to ...
Researchers have reported growing hearts containing human cells in pig embryos for the first time. The embryos survived for 21 days, and in that time their tiny hearts started beating. The findings ...
The story of the first-ever human-pig hybrid experiment.