claim: But then, just over a year ago, Mike Wallace, a hydrologist with 30 years’ experience, noticed while researching his PhD that they had omitted some key information[ … ] his results were surprising : there has been no reduction in oceanic pH
evidence: A Master's degree is required, and the doctorate combines approximately 4–5 years of research ( amounting to 3–5 scientific articles, some of which must be first-author ) and 60 ECTS points of studies.