Scientists create the most cubic form of ice crystals yet
Lab-made solid could give clues to climate change
![Sun halos](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2017/08/073117_AY_ice-crystals_main.jpg?fit=860%2C460&ssl=1)
SQUARED OFF Halos around the sun may appear when cube-shaped ice crystals in clouds in the upper atmosphere scatter light (left). In the lab, nearly cubic ice crystals scatter X-rays into similar-looking concentric circles (right).
Left: Pixabay; Right: Courtesy of Ohio State University