Ghost shark & ‘death ball’ sponge among 1,100 new sea species discovered in a YEAR…but 90% of ocean life still a mystery

A NEW ghost shark and a carnivorous "death ball" sponge are just two of the over 1,100 new species discovered in the deep sea this year. Scientists also found a 3cm sea worm whose rare toxins could provide a treatment for Alzheimer's and schizophrenia. The discovery of 1,121 species was made in a single year...