Pristine seascapeA previously unexplored section of Antarctic sea floor lured marine scientists and their vessel Polarstern to the frozen continent for a voyage of exploration over Christmas and New Year.The trip yielded, said researchers, a wealth of useful information and some undiscovered species.(Image: G Chapelle, IPF/ Alfred Wegener Institute) Unexpected giantAmong the new species was this giant amphipod, a type of crustacean, which researchers caught in baited traps. About 10cm (four inches) long, it is one of the biggest amphipods found in the region.(Image: C d'Udekem, Royal Belgium Institute for Natural Sciences) Key creatureAlready well known to science is...