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Nucleic Acid and Protein Chemistry Research at Rockefeller University
Society: ACSMain Category: ChemicalSub Category: Cradles of ChemistryEra: 1900-1909DateCreated: 1901Rockefeller UniversityNew YorkState: NYCountry: USAWebsite: https://www.acs.org/content/acs/en/education/whatischemistry/landmarks/rockefelleruniversity.htmlCreator: Rockefeller, John , Levene, Phoebus

For more than a century, scientists at Rockefeller University have enhanced our understanding of the molecular basis of life — specifically the relationship between the structure and function of nucleic acids and proteins. They showed that DNA transfers genetic information and that the sugars ribose and deoxyribose are the key building blocks of the nucleic acids RNA and DNA.

YearAdded:
2000
Image Credit: Courtesy Flickr/S Shepherd (CC BY 2.0)Image Caption: Nucleic Acid and Protein Chemistry Research at Rockefeller UniversityEra_date_from: 1901
Milwaukee Metropolitan Sewage Treatment Plant
Society: ASCEMain Category: CivilSub Category: Water Supply & ControlEra: 1910-1919DateCreated: 1919Lake FreewayMilwaukeeState: WIZip: 53207Country: USAWebsite: http://www.asce.org/Project/Milwaukee-Metropolitan-Sewage-Treatment-Plant/

This was America's first large-scale activated sludge plant. The successful operation of Milwaukee's sewage treatment plant led the way for many other American municipalities to adopt its methods of efficient environmental recycling.

Prior to 1925, sewage and industrial waste from the City of Milwaukee and its suburbs (then population 500,000) was discharged to the Milwaukee, Menomonee, and Kinnickinnic rivers, which converge in Milwaukee and flow together through a single outlet into Lake Michigan.

YearAdded:
1974
Image Credit: Public Domain (National Park Service)Image Caption: Milwaukee Metropolitan Sewage Treatment PlantEra_date_from: 1919
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