To prevent contamination of their samples, WHOI scientists Phoebe Lam and Dan Ohnemus work inside a plastic bubble lab set up inside their ship. Filters pump clean air into the plastic bubble and keep the space at positive pressure. So if there is a leak in the bubble, clean air will leak out, rather than contaminated air leaking in. (Chris Linder www.chrislinder.com. Courtesy of COSEE-NOW Ross Sea website http://coseenow.net/ross-sea)

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To prevent contamination of their samples, WHOI scientists Phoebe Lam and Dan Ohnemus work inside a plastic bubble lab set up inside their ship. Filters pump clean air into the plastic bubble and keep the space at positive pressure. So if there is a leak in the bubble, clean air will leak out, rather than contaminated air leaking in. (Chris Linder www.chrislinder.com. Courtesy of COSEE-NOW Ross Sea website http://coseenow.net/ross-sea)