Fire Opal is a variety of opal that has a bright yellow, bright orange or bright red background color. The stones in the first photo on this page are fire opal. … Precious Opal is a name given to any opal that exhibits “play-of-color”, a flashing display of spectral colors whenGeology.com
theopalis “played” under a light source.
Can a penguin go insane? Werner Herzog demonstrates the Nihilist Penguin.
These are 100% real, actual butterflies.
dragontailbutterfly (Lamproptera meges) is one of the smallest species of swallowtail butterfly and one of the very few species with wing transparency.
This footage, which was captured in Thailand, is by Kazuo Unno, insect aficionado extraordinaire and wildlife photographer.