ResearchBlogging editor’s selections: wayward galaxy clusters, air batteries, and the Toucan’s bill

hey, where are those galaxy clusters going? Greg Fish at weird things describes “dark flow”, a mysterious unexplained pull that some clusters of galaxies are experiencing.
Recharge your batteries. calvinus at Post Tenebras Lux tells us about an intriguing new type of battery material that has an energy storage capacity rivaling gasoline and uses air as one of it chemical ingredients.
Why do Toucans have large bill. If you’ve always thought that the Toucan’s bill looks cumbersome and inconvenient, check out this post! Arunn at Unruled Notebook explains research showing that the bill plays a remarkable role in regulating the Toucan’s temperature.