Rami Malek sang at the top of his lungs while playing Queen's iconic lead singer in the new biopic 'Bohemian Rhapsody.' Still, he says, "No one can sing like Freddie Mercury." Malek spoke with Terry Gross about learning to sing and move like Mercury, and wearing prosthetic teeth. Critic John Powers reviews 'Insurrecto' by Gina Apostol. The novel is about two women, a Filipina translator and an American filmmaker, on a road trip in the Philippines. Immunologist Daniel Davis says scientists are harnessing the power of the immune system to create new medications to fight cancer, auto-immune conditions and other diseases. Davis' book is 'The Beautiful Cure.'