CreatureCast - Rhizocephala - a charmingly animated look at the lifecycle of rhizocephalan barnacles, one of the more horrifying (non-charming) parasitic crustaceans (likewise). NOT a practitioner of parasitic castration but still disturbing: The bobbit worm. Happy swimming!
Scientist and Science Fiction author Joan Slonczewski, author of A Door Into The Ocean, guest blogs about science fictional and microbiology on Charles Stross's site: Salt Beings, Microbes grow the starship, Synthetic Babies
Could the three established domains of life - eukaryotes, bacteria and archaea - be joined by a fourth?
Introducing the 'Squid worm' - a new species in a new genus discovered 3,000 metres down off the Indonesian coast.
Sea urchins do not have eyes, yet appear to be able to see where they are going. One posible answer: they may use the entire surface of their bodies as a compound eye.