Favorite talks
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Ron Finley: A guerilla gardener in South Central LA
10:45 Posted: Mar 2013
Views: 1,046,394 | Comments: 924
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Allan Savory: How to fight desertification and reverse climate change
22:19 Posted: Mar 2013
Views: 1,169,748 | Comments: 1161
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Angela Patton: A father-daughter dance ... in prison
08:48 Posted: Jan 2013
Views: 301,753 | Comments: 68
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Paul Zak: Trust, morality -- and oxytocin?
16:34 Posted: Nov 2011
Views: 1,090,428 | Comments: 337