Two rivers that refuse to meet December 1, 2010 by admin A turbulent confluence of the bluewater Amazon River and a major blackwater tributary, the Rio Negro, in northern Brazil creates a phenomenon visible from space where these two rivers meet but refuse to mix…more in ChemMatters. Related Posts:Fostering Inclusive Discourse in Graduate Studies…Privacy PolicySpotting a Long-Term Educational Trend: A Master's…A Job Hunting Survival Guide for Emerging ScientistsResearch ServicesConsulting Services