Foraging species like Cataglyphis velox and Myrmecia piliventris (shown) use celestial cues and visual memory to walk backward — helpful when dragging a big dinner home.
WHODUNIT Called fairy circles, the mysterious patches of bare soil in the Namib Desert may form thanks to a mix of fighting termites and competing plants, scientists propose.
WHAT’S IN YOUR EAR? Studying earwax (sample below the type of animal donor species) might inspire new ways to reduce dust buildup.
Top row, left to right: David DeHetre/Flickr (CC BY 2.0); Dan Belanescu/Flickr (CC BY 2.0); Rob Wells/Flickr (CC BY-SA 2.0); Marit & Toomas Hinnosaar/Flickr (CC BY 2.0); bottom row: A. Noel, Z. Zachow and D. Hu/Georgia Tech