In the 1930s, Russian scientist Sergei Brukhonenko shocked the scientific world with a controversial experiment exploring artificial life support. Using a device he developed called the autojektor—an early version of a heart-lung machine—Brukhonenko pumped oxygenated blood into the severed head of a dog.To the amazement of onlookers, the head showed startling signs of responsiveness: it blinked, reacted to sound, and even licked its nose. While deeply unsettling, the experiment marked a pivotal