There is nothing more beautiful in the sky than a colorful rainbow after a storm. Sometimes we catch just a glimpse and other times the colors are vivid and bright. It can be hard to tell exactly how ...

You can see right through this little aquarium fish from Thailand: Its skin is almost completely transparent. But when the light hits it just right, its body flickers with shimmering rainbow colors.

Rainbows are always wonderful. Whether loaded with personal meaning, or just a pretty sky show after a rain, they have universal appeal. And around St. Patrick’s Day, they are everywhere. Set with ...