Australian fairy circles first to be found outside Africa
Discovery adds to mystery of how polka-dot patterns in grasslands form
![fairy circle in Australia](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2016/03/031416_sm_fairy-circle-main_free.jpg?fit=860%2C460&ssl=1)
EXPLAIN THIS An aerial view of dry grassland in Australia’s Pilbara region reveals fairy circles of bare hardened soil (inset) that few scientists knew about until now.
Aerial: Kevin Sanders; inset: S. Getzin