What stripped an unusual black hole of its stars? Can a bipolar drug change ant behavior? And did dinosaurs dance to woo mates? Science's Online News Editor David Grimm chats about these stories and more with Science's Multimedia Producer Sarah Crespi. Plus,Science's Emily Underwood wades into the muddled world of migraine research, and Jessica Metcalf talks about using modern microbial means to track mammalian decomposition.