A survey of museum specimens reveals that more than a dozen species of the birds sport biofluorescence in feathers, skin or even inside their throats.

With red light illuminating the submarine's interior rather than a bright fluorescent, the human eye has an easier time adjusting to the light on the ocean's surface. Red light has the longest ...

For a time, however, it appeared that fluorescent protein engineering had hit a 'yellow' wall in efforts to red-shift fluorescence emission. Fortuitously, this barrier had already been surmounted ...

At low concentrations, which indicate a low membrane potential, the dye fluoresces green while at higher concentrations, and therefore higher potential, the dye appears red. Whatever the case, it is ...

Fluorescent proteins are also useful for tracking cell populations, such as tumor cells, in vivo. Thus far, the best tools for imaging in live, whole animals have been far-red fluorescent proteins ...