You may remember Perler beads from first or second grade; these small plastic beads are placed into a peg board and then ironed to produce a solid multicolored piece of plastic. Recently, Perler beads ...

While it may be true, as the old adage goes, that 'birds of a feather flock together,' what is less certain is how the feathers on those birds come to have their distinct patterns and colorations.

The different patterns in each feather are determined by the arrangement and differentiation of pigmented and apigmented melanocytes. They found the melanocyte distribution could differ from the front ...

The audio version of this article is generated by AI-based technology. Mispronunciations can occur. We are working with our partners to continually review and improve the results. Carrie Lynn Brake of ...