Child prodigy Adora Svitak says the world needs "childish" thinking: bold ideas, wild creativity and especially optimism. Kids' big dreams deserve high expectations, she says, starting with grownups' willingness to learn from children as much as to teach.

Watch the other TZ picks of the fantastic TED Talks series: Evan Williams on listening to Twitter users, Daniel Kahneman - the riddle of experience v memory, Seth Godin on tribes and leadership, Randy Pausch: Really achieving your childhood dreams, JK Rowling - the fringe benefits of failure, The knowledge ecosystem, Fields Wicker-Miurin on Learning from leadership's 'missing manual', Gerver Tulley and his tinkering school, Dan Pink on the science of motivation, TED Talks: Alexis Ohanian on how to make a splash in social media and Tim Ferris: Smash the fear, learn anything, Jamie Oliver -teach out kids about food.

If you would like to nominate a TED Talks - email us: editor@trainingzone.co.uk