The analysis of visual color and color variation is an important exercise for numerous markets and industries. Here, we describe in detail protocols and optimal practices for dependable and sturdy ...

Many factors can contribute to geographic color variation, including natural selection, sexual selection, and genetic drift. In squamates, phenotypic plasticity can also play an important role in ...

Q. Color change of wood...why? The variation is killing us. A. As you probably know, wood is made up of wood cells that look like miniature soda straws. The cells are often around 1/8 to ¼ inches in ...

Flower colour variation is a fundamental trait in angiosperms, serving not only to enhance the visual appeal of flowers but also to mediate interactions with a wide range of pollinators. The diversity ...

One of the curious things in the world of birds is why most species come in only one color form, while others come in many. We can start with the western tanager. Adult males all look the same. Adult ...

When viewed in enhanced color, the icy, outer world of Pluto looks very different from its more uniform, subdued hues. The hilly plains in Pluto's heart-shaped area are mostly uniform, as a flat ...

The first light bulbs were invented in the 1800s, and since then, lighting technologies have continued to grow and improve in order to provide better flexibility and energy efficiency. Light-emitting ...

A variety of animals have male-specific ornament traits and these ornaments are favored by female choice. Which male traits are preferred by females often varies among females. Genetic mechanisms that ...