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.

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

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