Mayor Sadiq Khan has announced he'll raise penalty charge notices meaning some fines could hit £160. But why the hike? How will the money be used? And where do the fines apply?

Rachelle Abbott's joined by The London Standard's City Hall and Transport Editor Ross Lydall, to break down all you need to know.

In part two, we explore the scents of ancient Egypt. Researchers from University College London and University of Ljubljana have uncovered the smells of nine mummified bodies. Dr Cecilia Bembibre, co-author and lecturer at UCL’s Bartlett School of Environment, Energy & Resources, joins us to explain how they extracted and analysed the ancient aromas.

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