Mon Jul 13 17:46:24 +0000 2009 2617561270 Can you create a boat that stays afloat? Show us by 7/19 for the week 4 challenge! http://budurl.com/5wwy #science <a href="http://apiwiki.twitter.com/" rel="nofollow">API</a> false false 17324570 ScienceChicago ScienceChicago Chicago, IL Holly and team here to help Chicago residents explore our great science resources! Connecting kids and parents to fun family educational events and activities. http://a1.twimg.com/profile_images/64180416/sciencechicago_logo_normal.jpg http://sciencechicago.com/ false 1789 C6E2EE 211f1c 1F98C7 bae1f2 C6E2EE 1700 Tue Nov 11 22:49:52 +0000 2008 1 -25200 Mountain Time (US & Canada) http://a1.twimg.com/profile_background_images/3368474/SCbackground.jpg true false false 797