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Secrets of success in 8 words, 3 minutes | Richard St. John

Try something new for 30 days | Matt Cutts

The magic washing machine | Hans Rosling

Fighting with non-violence | Scilla Elworthy

My underwater robot | David Lang

Mark Pagel: How language transformed humanity

Patricia Ryan: Don't insist on English!

Renny Gleeson: Busted! The sneaky moves of antisocial smartphone users

Jennifer Healey: If cars could talk, accidents might be avoidable