Shark Skin-Like Plastic Makes Planes More Aerodynamic, Benefits or Dangers of Fluoride in Water, and TDIH - Empire State Building Dedicated

A plastic film that mimics shark skin may help airplanes fly a little greener and is there a benefit to fluoride in public water systems? On This Day in History, the Empire State Building is dedicated by President Herbert Hoover.

This Film Shaped Like Shark Skin Makes Planes More Aerodynamic and Saves Billions in Fuel | ZME ScienceFlorida set to become second state to ban fluoride in public water | NBC NewsTwo cities stopped adding fluoride to water. Science reveals what happened | Science NewsEmpire State Building dedicated | May 1, 1931 | HISTORYPresident Hoover dedicates Empire State Building, May 1, 1931 - POLITICO10 Surprising Facts About the Empire State Building | HISTORYContact the show - coolstuffcommute@gmail.com

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