Ferric iron in water absorbs both red and blue light, leaving only green to reach depths of 5-30 meters (16-100 feet) where most of the cyanobacteria dwelled.

Purple, blue and green are all part of the same color palette. The neutral colors don't quite surprise me since they're standard for iPhones at this point. But the color orange is shocking.

Pale green dot The oceans were likely once a vibrant green color between 3.8 and 1.8 billion years ago, according to a study published in the journal Nature Ecology & Evolution. During this period ...

How to report blue or purple streetlights If you, like our reader, find your eyes bothered by discolored streetlights, you need not suffer in silence. Zonders asked anyone who notices one (or ...

Would you rather have a purple iPhone 17 or a green one? According to prominent leaker Majin Bu, Apple is currently testing both colors for the base iPhone 17 (the Pro models get different colors).