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# Episode Title Description People Date
1 From you to the largest structure in the Universe Robert Simpson, an astronomy researcher from Oxford takes us on a tour of the Universe, explaining the incredible distances and relative dimensions of space. Robert Simpson 19 Dec 2014
2 "Matters of Scale" - Complete Episode The issues of scale are investigated – from how properties change at very small scales, to the vastness of the Universe. Includes parts 1, 2 and 3. Pedro Ferreira, Alan Barr, Sylvia MacLain, Sonia Trigueros 09 Oct 2014
3 "Matters of Scale" Part 3 - Nanomedicine Dr Sonia Trigueros explains how she is using nanotechnologies to create targeted drug delivery systems. Chemotherapy is a particularly harmful treatment, with patients losing their hair and suffering from infections due to damage to their immune systems. Sonia Trigueros, Chris Lintott 08 Oct 2014
4 "Matters of Scale" Part 2 - Biology and the Problem with Scale Dr Sylvia MacLain talks about how water creates a problem when researching biology. Structures can be studied when they are in solid form, but approximately 60% of our bodies are made of water. Sylvia MacLain, Chris Lintott 08 Oct 2014
5 "Matters of Scale" Part 1 - Extremes of Scale Professors Pedro Ferreira and Alan Barr explain what scale means to them, from particle physics to the visible universe. At the subatomic level, gravity has a surprisingly large effect and particles are so small that they have no size. Alan Barr, Pedro Ferreira, Chris Lintott 08 Oct 2014