Pandora Dewan is a Senior Science Reporter at Newsweek based in London, UK. Her focus is reporting on science, health and technology. Pandora joined Newsweek in 2022 and previously worked as the ...

The head was without blood flow for about 20 minutes, and regained only minimal movement. 1950s: More two-headed dogs. Vladimir Demikhov, a pioneer in human heart and lung transplants, grafted the ...