Small Changes is a podcast series of one-on-one interviews with people who've seen a problem in the world and set out to change it – often in small and unexpected ways
https://www.theguardian.com/global-development/series/global-development-podcast
Resistance 101: the video game going to war on malaria
To fight this disease you need creativity, says Marlize Coleman, whose innovation teaches health workers the best way to zap mosquitoes