Here is an interesting artical on fish and pain.
http://news.bbc.co.uk/2/hi/science/nature/2983045.stm
Ah, yes - that fine source of scientific journalism that also had an
article today, explaining "Why we are not like E.T.". Wouldn't have been a
bad discussion of DNA, except for the mention that humans are equipped
with "24 chromosomes".
(For the bio-challanged, it's 46, in 23 pairs, actually!)
http://news.bbc.co.uk/1/hi/sci/tech/2985345.stm
Dave