Complex sentence: Haas and Creamer were cleared of the plagiarism charge by their institutions, but the Field Museum's science advisory council rebuked Haas for press releases and web pages that gave too little credit to Shady and inflated the couple's role as discoverers.
Split into simpler sentences: Haas and Creamer were cleared of the plagiarism charge by their institutions. The Field Museum's science advisory council rebuked Haas for press releases and web pages that gave too little credit to Shady and inflated the couple's role as discoverers.