Researchers found the record-breaking Incendiamoeba cascadensis amoeba in Lassen Volcanic National Park, California. (Image credit: Felix Mikus)A newly-discovered amoeba has set the record for the hottest temperature at which complex life can thrive.The amoeba, found in Lassen Volcanic National Park in California, grows and divides at temperatures up to 145 degrees Fahrenheit (63 degrees Celsius) and can survive brief stints in up to 158 F (70 C) environments, a new study finds. Prior to the discovery, no complex cells were known to replicate at temperatures above 140 F (60 C)."I was very surprised," study first author Beryl Rappaport, a microbiologist at Syracuse University in New York, tol...