Bumblebees confused by iridescent colors

Iridescence is a form of structural colour which uses regular repeating nanostructures to reflect light at slightly different angles, causing a colour-change effect.

The secret to the sea sapphire's colors—and invisibility

Sapphirina, or sea sapphire, has been called "the most beautiful animal you've never seen," and it could be one of the most magical. Some of the tiny, little-known copepods appear to flash in and out of brilliantly colored ...

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