CurtAdams@aol.com writes:
> An extremely deep purple, flecked with transient green dots (which
According to some forgotten source (Stryer?) certain monkeys have a
fourth color in the making, in a couple of megayears there could have
been four-color vision primates. (Of course if there is a Singularity
the Earth won't probably exist by then).
> come from fluorescence of optical pigments).