Diets, Crowd Physics, Snowflake Citizen Science. January 4, 2019, Part 1 Listen Download Embed Share Share this on Facebook (Opens in a new window) Share this on Twitter (Opens in a new window) Share this via Email New Year's Eve in Times Square, 2014. ( a katz, via Shutterstock ) Hosted by Ira Flatow Produced by Science Friday and WNYC Studios