David Thornalley, Jack Wharton and Alice Carter-Champion divide a sediment core into 1cm sections aboard the research vessel (RV) Neil Armstrong, about 800km east of New York City. Credit: Alice Carter-Champion, UCL

David Thornalley, Jack Wharton and Alice Carter-Champion divide a sediment core into 1cm sections aboard the research vessel (RV) Neil Armstrong, about 800km east of New York City. Credit: Alice Carter-Champion, UCL

David Thornalley, Jack Wharton, and Alice Carter-Champion divide a sediment core into 1-centimeter sections aboard the research vessel (RV) Neil Armstrong, about 800 miles east of New York City.

Credit: Alice Carter-Champion, UCL