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Our supply containers have been delayed so, while we wait, let me tell you about the different experiments we have planned, and what sort of data we hope to get from them. There are two main types of experiments that correlate with sampling methods; those  from the CTD, and those from the Tow-Fish. The CTD, a large Rosette device, has 24 sampling bottles and can go down to a depth of 6km before ascending and collecting samples from different depths. The CTD also measures the

Come along with us on our trip from Rio to Namibia via the mid-Atlantic ridge looking at the role microscopic photosynthesisers play in absorbing carbon from our atmosphere and storing it away in the ocean depths. Hello! If you're new here, I'm Ari, a  PhD student  at the University of Oxford, an avid  science communicator   and video reporter/producer for  New Scientist . I'm about to embark on my second research cruise, for the expedition that will provide me with the bulk