Close Josh Linn conducts liquid nitrogen experiment I'm not sure if this guy can sing, but we do know he always has something interesting up his sleeves. Josh Linn our favorite scientist from the St. Louis Science Center is here for a fun demo. KSDK 11:45 AM. CST February 06, 2017 CONNECT TWEET LINKEDIN GOOGLE+ PINTEREST Science On Tap is this Saturday at the Saint Louis Science Center. The event runs from 7 to 11. Tickets are 45 dollars for members... 55 for non members. You can purchase tickets or learn more about the event at slsc.org. © 2017 KSDK-TV CONNECT TWEET LINKEDIN GOOGLE+ PINTEREST JOIN THE CONVERSATION To find out more about Facebook commenting please read the Conversation Guidelines and FAQs Leave a Comment TRENDING VIDEOS Stealthing EGL04252017 Family struck by car fleeing police High school student death under investigation Family pleads for pleading for information that could assist in the investigation into the murders of their loved Video: Tuesday 7pm Web Weather Forecast 4-25-17 Neighbors worried after spotting prowler The Carlinville neighborhood that Sears built Tue web wx 730am Parents of 7-year-old hit, killed by car want driver held accountable Violent St. Louis weekend More Stories Gov. Greitens declares State of Emergency Apr 29, 2017, 4:55 p.m. Red Cross opening shelters in Franklin, Perry Counties Apr 29, 2017, 5:14 p.m. Flash flooding remains a concern through Sunday Apr 27, 2017, 5:29 p.m.