Deep Sea Buffet For Bone-devouring Worms
An unusual relationship between bacteria and a newly discovered group of marine worms is the only known partnership (or symbiosis) which uses sunken marine mammals as its sole source of nutrition.

Seaweed Surprise: Marine Plant Uses Chemical Warfare To Fight Microbes
Scientists have discovered that seaweeds defend themselves from specific pathogens with naturally occurring antibiotics.

Corals switch skeleton material as seawater changes
Postdoctoral fellow Justin Ries and his collaborators say this is the first known case of an animal altering the composition of its skeleton in response to change in its physical environment.