<p>TESS FREEMAN/Press</p><p>Nick Madsen, Youth Service Specialist at the Hayden Library, helps Krista Duncan, 9, stir pancake batter while Hayden Farley, 9, left, Maria Aguiar, 10, and Bethanie Vellone, 10, watch during Hayden Library’s Ka-Boom series on Monday night. Every first and third Monday of the month until the end of December Ka-Boom hosts a different STEM based program at the Hayden Library.</p>

December 2, 2014