Users should take extra care when exploring Wikipedia’s science topics, because many articles on controversial issues such as global warming and acid rain have been targeted for editing by revisionists who reject scientific findings, new research has found. Due to its crowdsourced model, academics widely regard Wikipedia as a starting point for research — a compass more than a map. However, many people rely heavily on the information it presents. That realization prompted researchers Gene Likens and Adam Wilson to undertake a study.
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