How big they are: The smallest plants, known as desmids and picozoa, are single-celled algae that are less than 0.0004 inches ...

Animals with ultraviolet color patterns can be found all over nature. Here’s what we know about what purpose these patterns ...

The US Food and Drug Administration has approved three new color additives from natural sources “that will expand the palette ...

The FDA has officially granted approval to three new food dyes that are said to be a more natural alternatives to ...