Podcast: Electric roses, fertility-boosting worms, and more

Is a new genetic approach to combatting malaria too controversial for its own good? Can intestinal worms boost human fertility? And how have scientists turned a rose into a circuit? Science's Online News Editor David Grimm chats about these stories and more with Science's Sarah Crespi. Plus, Joshua Blumenstock discusses patterns of mobile phone use as a source of "big data" about wealth and poverty in developing countries.