Jonathan is joined by Karen Bakker, Fellow at the Harvard Radcliffe Institute for Advanced Studies and author of 'The Sounds of Life: How Digital Technology Is Bringing Us Closer to the Worlds of Animals and Plants' to explore the sounds in nature that we cannot hear. Andrea Maier, Oon Chiew Seng Professor in Medicine, Healthy Ageing and Dementia Research, Co-Director at the Centre for Healthy Longevity, National University of Singapore, Vrije Universiteit Amsterdam joins Jonathan to discuss what we can take to help us live longer. Dr. Shane Bergin & Dr. Lara Dungan also joined Jonathan to run through the week's science news for Newsround.

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“What did the council decide on item 42?” — answered with the speaker and the moment.