19 diciembre 2014
Researchers have created a simple mathematical model based on optical measurements that explains the stunning colors of Yellowstone National Park’s hot springs and can visually recreate how they appeared years ago, before decades of tourists contaminated the pools with make-a-wish coins and other detritus.
http://feeds.sciencedaily.com/~r/sciencedaily/~3/AvfKM_t3AVI/141219130138.htm
