We're making a meal out of microbes, Geogia Mills and Chris Smith meet the little helpers that get food onto the table. Plus, in the news, the intelligent material that help wounds to heal, scientists get to the bottom of how norovirus makes us ill, and we explore a mysterious signal from space. Keep up to date with the lastest science news on www.nakedscientist.com or follow us on Instagram, Twitter and Facebook.... We're @nakedscientists! Or have YOU got a science question for our team? Why not email it over to chrisnakedscientists.com and we'll take a look.