Podcast: Earth's Demise, the Downsides of Treating Fever, and More By David Grimm, Sarah CrespiJan. 23, 2014 , 2:00 PM When is Earth going to die? Can treating your fever hurt society? And what can lasers reveal about famous paintings? Science's Online News Editor David Grimm chats about these stories and more with Science's Sarah Crespi. Listen to the full Science podcast. Hear more podcasts.