<p>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.</p><p>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.</p><p>Presenter: Chris Vallance Producer: Tom Quinn</p><p>(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)</p>