Tackling lithium battery fires on planes

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When we fly we love to take our gadgets with us. But the lithium batteries that power them can catch fire. We find out about a new campaign urging us to pack with safety in mind.Also this week: the BBC's Lily Jamali visits an international competition for new AI applications in San Francisco. And protecting Africa's endangered wildlife is an increasingly high-tech business - a new scheme aims to give conservation workers the latest skills.Presenter: Chris Vallance Producer: Tom Quinn(Photo: A man is in an airport lounge. He is charging his smartphone with a portable charger, which is resting on a suitcase. Credit: Getty Images)