The Turritopsis dohrnii is a tiny jellyfish that can age backward. When their survival is threatened by injury or starvation, they will transform themselves into a polyp — an early stage of development. Eventually, the polyps will bloom back into genetically identical jellyfish.
Death will come for us all; however, the T. dohrnii isn't the only animal that can delay it. Several animals continue moving or functioning briefly — after what seems like certain death.
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In 1945, a chicken named Mike lived for 18 months after a botched beheading. Mike's owner didn't cut low enough on the chicken's neck, which left some of his brain stem intact, enabling Mike to continue his life. The owner named him and cared for Mike until he died.
While Mike's long life without his head was an anomaly, chickens are known to continue flapping their wings and running after losing their heads. Decapitation ...