Five things we’ve learnt about the oceans in the last 25 years
It’s early 1993 and I am sailing across the Atlantic Ocean aboard the Royal Research Ship Charles Darwin on my first deep-sea adventure. The late Harry Elderfield is our chief scientist and we are mapping out the newly discovered hydrothermal vents along the Mid-Atlantic Ridge and sampling the plumes that waft upwards from the hot seafloor vents. We tow our sensors on frames hanging from conducting wires that are kilometres long, gradually building up a picture of the plumes.
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