PBS Discussions Discussion Forums on pbs.org    Search   Register   Profile   Ignore List   Log in  Profile: Luis von Ahn    PBS Discussions Forum Index -> NOVA ScienceNOW Stories 2009 View previous topic :: View next topic   Author Message PBSBoardAuntie Administrator Joined: 19 Nov 2003 Posts: 149 Location: Arlington, VA Post subject: Profile: Luis von Ahn    Posted: Mon Jun 15, 2009 7:36 am A computer scientist finds novel ways to stop spammers and harness the brainpower of millions of people. Find out more on this subject here. _________________ PBS Discussions Administrator pbs.org Last edited by NOVAmoderator2 on Thu Jun 25, 2009 1:27 pm; edited 5 times in total Back to top Display posts from previous: All Posts1 Day7 Days2 Weeks1 Month3 Months6 Months1 Year Oldest FirstNewest First  Subject Author Date/Time Profile: Luis von Ahn PBSBoardAuntie Mon Jun 15, 2009 7:36 am    Re: Profile: Luis von Ahn cozboyz Tue Jun 30, 2009 9:01 pm       Re: Profile: Luis von Ahn mr.b Tue Jun 30, 2009 9:04 pm          Re: Profile: Luis von Ahn Silveramogart Wed Jul 01, 2009 12:10 am             Re: Profile: Luis von Ahn KCCinstructor Wed Jul 01, 2009 12:23 am                Re: Profile: Luis von Ahn Ambivalent-one Fri Jul 03, 2009 12:31 am             Re: Profile: Luis von Ahn Nicolas Bourbaki Wed Jul 01, 2009 2:48 pm    Re: Profile: Luis von Ahn leslievkeen Tue Jun 30, 2009 9:14 pm       Re: Profile: Luis von Ahn moonwalkmonkeymoonwalk Tue Jun 30, 2009 9:48 pm    Re: Profile: Luis von Ahn Joe Friday Mon Jul 06, 2009 4:16 am       Re: Profile: Luis von Ahn Nicolas Bourbaki Fri Jul 10, 2009 12:15 am          Re: Profile: Luis von Ahn markem Mon Jul 13, 2009 12:24 am    Re: Profile: Luis von Ahn luckybulldog13 Mon Sep 28, 2009 4:55 pm    PBS Discussions Forum Index -> NOVA ScienceNOW Stories 2009   Jump to: Select a forum PBS Active Forums----------------Antiques Roadshow FYIArt21Bill Moyers on Faith & ReasonMASTERPIECE CONTEMPORARY: EndgameMASTERPIECE CONTEMPORARY: Place of ExecutionMASTERPIECE CONTEMPORARY: CollisionMASTERPIECE: The Complete Jane AustenMASTERPIECE: CranfordMASTERPIECE MYSTERY: WallanderMASTERPIECE MYSTERY: Foyle's WarMASTERPIECE MYSTERY: The Inspector Lynley MysteriesMASTERPIECE MYSTERY: PoirotMASTERPIECE MYSTERY: Miss MarpleMASTERPIECE MYSTERY: Inspector LewisNOVA: The Bible's Buried SecretsNOVA: Saved by the SunNOVA: Family That Walks on All FoursNOVA: Parallel Worlds, Parallel LivesNOVA: The Big Energy GambleNOVA: Inside the Spy FactoryNOVA: Doctors' DiariesNOVA: Extreme IceNOVA: Last ExtinctionP.O.V.: Tintin and IWashington WeekMASTERPIECE CLASSIC 2009: Tess of the d’UrbervillesMASTERPIECE CLASSIC 2009: Wuthering HeightsMASTERPIECE CLASSIC 2009: Oliver TwistMASTERPIECE CLASSIC 2009: David CopperfieldMASTERPIECE CLASSIC 2009: Little DorritMASTERPIECE CLASSIC 2009: The Old Curiosity Shop NOVA scienceNOW----------------NOVA ScienceNOW Stories 2009NOVA scienceNOW: DispatchesNOVA ScienceNOW: Stories 2008NOVA scienceNOW: Stories 2007NOVA scienceNOW: Stories 2006NOVA scienceNOW: Stories 2005NOVA scienceNOW: About the new series PBS.org Forums----------------The Rise and Fall of Jim CrowThe Merrow Report: First to WorstPBS Campus Message BoardBeyond Brown: Pursuing the PromiseNot In Our Town: Talk About ItRemembering Julia ChildThe Question of GodBy the People: Deciding VotesWide AngleGet Up, Stand Up: The Story of Pop and ProtestRx for SurvivalMonty PythonIndependent Lens: A Lion in the HouseAIR: America's Investigative ReportsThe Victory GardenIndependent Lens: Knocking NOW----------------NOW: Politics & EconomyNOW: Arts & CultureNOW: Society and CommunityNOW: Ongoing DiscussionsNOW: PollsNOW: Enterprising IdeasNOW: Science and Health NOVA----------------NOVA: Darwin's Darkest HourNOVA: Forgotten GeniusNOVA: Judgment Day -- Intelligent Design on TrialNOVA: Marathon ChallengeNOVA: Car of the FutureNOVA: Car of the Future -- Educators' ForumNOVA: Space Shuttle DisasterNOVA: Car of the Future -- Filmmakers' Forum P.O.V. - 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