Saturday, April 4: Channel your inner child among thousands of pillow-swinging New Yorkers at an epic urban pillow fight at Washington Square Park.

Tuesday, April 14: This month, the Society for the Advancement of Social Studies presents lectures on historic inventions, from video games to vibrators.

Thursday, April 23: We're teaming up with the Brooklyn Historical Society and Borough Bees to bring you a talk on urban beekeeping. Bonus: a delicious honey tasting after the talk.

Wednesday, April 29: At the next installment of Pioneer Works' Scientific Controversies series, learn all about "The Goddamn Particle": the Higgs Boson, the particle that keeps everything--including our theories--together.