Even for nocturnal amphibians?
yup. even nocturnal amphibians have eyes, tho they may be tuned
for lower frequencies than ours.
Even for intelligent knots of
superfluid vortices in neutron stars?
um, i dont know about intelligent knots of superfluid vorticies, but
i would like to have one of those for a pet... or for that matter, be
one of those... {8^D
this is an interesting thread for extropians: looks to me like
receiving (and managing to interpret) signals from et is a
direct path to illuminating humankind. (carbon-based-lifeformkind?)
any signals would likely be from a more advanced civilization
and would thereby encourage us to take the evolution of our
species into our own hands... spike