Subtitled in Korean16:30Social experiments to fight povertyEsther DufloTranslated by Seol-ah leeReviewed by Bogus Account
Subtitled in Korean19:31The ghastly tragedy of the suburbsJames Howard KunstlerTranslated by Bogus AccountReviewed by Seol-ah lee
Subtitled in Korean19:15The emotion behind inventionDean KamenTranslated by Seol-ah leeReviewed by Sun Phil Ka
