NPR: National Public Radio
Npr: Listening to Elephants
National Public Radio tells the story of Katy Payne and her attempts to study the Bai elephants of central Africa by listening to them. Great pictures and audio clips, plus documentation of Ms. Payne's fear that her research will be used...
Crash Course
Crash Course Ecology #5: Community Ecology Ii: Predators
Hank gets to the more violent part of community ecology by describing predation and the many ways prey organisms have developed to avoid it. [10:23]