Gravity-Defying Particles Travel Up A Waterfall Jul 3, 2013 19:07:51 GMT -8 Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by bot on Jul 3, 2013 19:07:51 GMT -8 Gravity-Defying Particles Travel Up A Waterfallby Shaunacy Ferrofeeds.popsci.com/c/34567/f/632419/s/2e2976bb/l/0L0Spopsci0N0Cscience0Carticle0C20A130E0A70Cparticles0Ecan0Etravel0Ewaterfall/story01.htm