It may be the color associated with St. Patrick's Day, but Irish people feared the color green for much of their history. Green, now associated with St. Patrick and the rich colors of Irish grassland, ...

Is your green my green? Probably not. What appears as pure green to me is likely to look a bit yellowish or bluish to you. This is because visual systems vary from person to person. Moreover, an ...

(Nanowerk Spotlight) The vibrant blue of a morpho butterfly's wings doesn't come from pigments but from light interacting with microscopic structures on its surface. This phenomenon – structural color ...