tonight they'll be discussing jeremy desilva's new book "first steps: how upright walking made us human". in it desilva explores the history of bipedalism, the ability that makes unique humans unique among other animals to walk on two legs and he makes the case that it allowed for the evolution of humans despite the difficulties imposed on the genome ever after. publishers weekly praises desilva's love of fossil discovery and collaborating with colleagues come through in the wonderful experiences that examiningbones first had . his ability to turn anatomical evidence into a tale of human evolution and his enthusiasm for research would leave readers informed and uplifted. i'm going to turn things over to our speaker jeremy and kate . >> thank you, i appreciate the introduction. locate. >> great to see you, thanks so much and to the harvard bookstore i'm delighted to have the opportunity to pepper jerry with questions about his new book which is about all the things that i get most excited to write about. it's really a pleasure to be here and i thought maybe jeremy we could sort of take o

tonight they'll be discussing jeremy's new book first steps, how upright walking made as human part in it desilvaxplores the history ofng bipedalism, the ability unique to humans among living mammals to walk on two legs but he makes the case that bipedalism was a crucial change allowed for the evolution of humans despite the difficulties opposed to the gene forever after bread publishers weekly praises desilva love a fossil discovery and collaborating with colleagues come through and the experiences in examining bones of firsthand but hiss ability to turn anatomical evidence into a focused tale of human evolution and his enthusiasm for research believe it readers both informed and uplifted. i'm so pleased to turn things over to our speakers. the digital podium ensures y jeremy and kate. >> thank you. i really appreciate the introduction. hi kate, thank you for being here. >> great to see you. thanks so much nell and jeremy and to harper's bookstore. i love the opportunity to pepper jury with questions about his fabless new book which is about all of the things i get most excited to write about. i