6.9K views · 55 reactions | Neat rings, stripes and swirls embellish many cold, rocky landscapes. Although these beautiful stone patterns look like humanmade artwork, they’re all natural. New experiments reveal that so-called “ice needles” can sort and organize rocks into many patterns. Learn more: https://www.sciencenews.org/article/ice-needles-freeze-thaw-patterns | Science News Magazine | Facebook