Snow Fleas: 400 Million Years Old And Still Springing Jan 26, 2021Snow Fleas: 400 Million Years Old And Still Springing by Nicholas Littman Broadcast 4.15.2015 Listen: “Oooo…the poor snow fleas,” says my fiancĂ©e, Paige, crouching on the ice to see them closer. “It’s a snow flea massacre, a snow...