Good Luck Trying to Kill This Jellyfish

This story was originally published by the Guardian and is reproduced here as part of the Climate Desk collaboration. Immortality is generally considered the realm of the gods or science fiction, a fantasy that’s actively pursued by tech entrepreneurs in macabre experiments that include injecting “young blood,” cryopreservation, or resurrection in an AI afterlife. But one ethereal, thimble-shaped jellyfish has already cracked the…