Flea Collaborator Koko the Gorilla Dead at 46

Celebrity gorilla Koko died in her sleep this week at age 46, the Gorilla Foundation announced today. Koko, a western lowland gorilla, was famed for her knowledge of sign language and ability to understand human speech. "Koko touched the lives of millions as an ambassador for all gorillas and an icon for interspecies communication and empathy," the foundation…