Nature Podcast

A vaccine candidate for a neglected tropical disease, and calls to extend the 14-day limit on embryo research.In this episode:00:46 A vaccine candidate for an important livestock diseaseAfrican animal trypanosomiasis is a parasitic disease that kills millions of cattle each year, affecting livelihoods and causing significant economic costs in many sub-Saharan countries. Developing a vaccine against the disease has proved difficult as the parasite has a wealth of tricks to evade the immune system. This week however, a team of researchers have created a vaccine candidate that shows early promise in mice.Research Article: Autheman et al.08:27 Research HighlightsA tapeworm infection helps worker ants live longer (at a cost), and how humanity’s shift to farming influenced plant-life in pre-industrial times.Research Highlight: Tapeworm infestation gives lowly ants long lifeResearch Highlight: Our radical changes to Earth’s greenery began long ago — with farms, not factories11:21 New guidelines for stem cell r