Full episode 420: Neighborhood Watch Act Three Witness for the Poo-secution ByIra Glass Ira Glass tells the story of how science is being used to fight the ultimate neighborhood plague: Dog poop. (14 minutes) More in ScienceView all 630: Things I Mean to Know Oct. 27, 2017 Act Three: The Sun Also Rises... Over There Among the things we tend to take for granted: The sun comes up and goes down like clockwork. 630: Things I Mean to Know Oct. 27, 2017 Act Four: Period Drama Remember learning that women’s menstrual cycles tend to sync up when they spend a lot of time together? Producer Diane Wu was skeptical. 617: Fermi’s Paradox May 19, 2017 Act One: I Think We’re Alone Now David’s story continues. More by Ira GlassView all 633: Our Town - Part Two Dec. 15, 2017 Act Five: Today In 2012, the fever broke, and the Albertville city council stopped targeting Latino residents. 633: Our Town - Part Two Dec. 15, 2017 Act Three: Backlash Suddenly realizing just how many Latinos had moved to town, longtime residents jumped into action, fueled by a wave of national and statewide anti-immigration fever. 633: Our Town - Part Two Dec. 15, 2017 Act Two: The March Latino residents decided to organize a peaceful march in support of a path to legal status, and their white neighbors were shocked when 5,000 people poured into the streets.