MythBusters star Adam Savage opened up about the death of his co-host Grant Imahara last year at the age of 49 from a brain aneurysm.Savage, speaking with Yahoo Entertainment Tuesday, said that he 'was gut-punched by Grant's passing last year' in July, which came about four months into the coronavirus shutdown.'It felt like almost too much in the face of all the other existential crises that were going on,' Savage said.