Need To Know Coming Up On NTK: The Microbeads Impact & How ROC Businesses Are Responding & More WXXI News Published September 1, 2015 at 12:00 PM EDT Facebook Twitter LinkedIn Email PBS Microbeads http://youtu.be/xette_DytXkWatch Need to Know with host Hélène Biandudi Hofer Thursdays at 8pm on WXXI-TV, Channel 21.1 and Cable 11 or 1221.