Podcast: A farewell to <i>Science</i>’s editor-in-chief, how mosquito spit makes us sick, and bears that use human shields

Listen to how mosquito spit helps make us sick, mother bears protect their young with human shields, and blind cave fish could teach us a thing or two about psychiatric disease, with Online News Editor Catherine Matacic. Marcia McNutt looks back on her time as Science’s editor-in-chief, her many natural disaster–related editorials, and looks forward to her next stint as president of the National Academy of Sciences, with host Sarah Crespi.   [Music: Jeffrey Cook; Image: Siegfried Klaus] Learn more about your ad choices. Visit megaphone.fm/adchoices