[{"data_type":"bookmark","bookmark_url":"http:\/\/www.rolexawards.com\/laureates\/laureate-6-bah_abba.html","bookmark_desc":"The Rolex Awards: a cheap technique for food preservation, M. B. Abba","bookmark_notes":"Nigerian teacher Mohammed Bah Abba was motivated by his concern for the rural poor and by his interest in indigenous African technology to seek a practical, local solution to these problems. His extremely simple and inexpensive earthenware \"pot-in-pot\" cooling device, based on a principle of physics already known in ancient Egypt, is revolutionising lives in this semi-desert area.","ub_date":"1231483468","bookmark_date":"1215124199","tags_str":"ideas<\/a>, linklogger<\/a>","se_id":"the-rolex-awards-a-cheap-technique-for-food-preservation-m-b-abba","user_name":"thejeshgn","user_img":"thej.jpg","user_count":"1"}]