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Smartphone test spots E coli and coliforms in water in under 1 minute

Researchers at the University of Arizona have demonstrated that a smartphone paired with disposable paper chips can detect E.
Investopedia

Understanding Distribution Channels in Business: How They Function

Jason Fernando is a professional investor and writer who enjoys tackling and communicating complex business and financial problems. Natalya Yashina is a CPA, DASM with over 12 years of experience in ...