The latest observations from Nasa’s InSight Mars Lander and Mars Reconnaissance Orbiter (MRO) have revealed new information on Mars’ interior structure. Dr Anna Horleston, Senior Research Associate in Planetary Seismology at the University of Bristol, talks us through the mars-quakes that provided this data. On the 30th of October, Brazilians will head to the polls to elect their next president. Jeff Tollefson, Senior Reporter at Nature, tells Roland what approach the two candidates – Jair Bolsonaro and Luiz Inácio Lula da Silva – might take towards science and the potential local and global impacts this could have.Humans aren’t the only animals to pick their noses… it turns out primates engage in this habit too. Anne-Claire Fabre, Curator of Mammals at the Duke Lemur Center, tells reporter Vic Gill about the long-fingered aye-ayes having a dig around their noses, and how more research is needed to unpick the reasons behind this behaviour.And producer Robbie Wojciechowski heads to the National Oceanography Centre in Southampton to capture the launch of the RRS Discovery mission to Ascension Island and St Helena. Science In Action will be following the mission over the next 6 weeks as it uncovers new specimens from the deep ocean, as well as surveying the overall health and wellbeing of the ocean around the British Overseas Territory. Contributors
Dr Anna Horleston, Senior Research Associate in Planetary Seismology, University of Bristol
Jeff Tollefson, Senior Reporter, Nature
Anne-Claire Fabre, Curator of Mammals, Duke Lemur Center(Image: Impression of a rover on the surface of Mars. Credit: Getty Images)Presenter: Roland Pease
Assistant Producer: Sophie Ormiston
Producer: Robbie Wojciechowski

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