Taylor Swift fans danced so hard they made the ground shake at her recent Edinburgh gig so this week we\u2019re meeting Earth Scientists Emma Greenough and James Panton to measure the Cardiff show - and explain some Swiftie Seismology.
We\u2019re joined by the BBC\u2019s disinformation and social media correspondent Marianna Spring and Cardiff University's Professor Martin Innes to talk the science of tracking election disinformation on social media.
What\u2019s in the election manifestos? BBC science correspondent Pallab Ghosh explains all.
And Marnie dashes to Kew Gardens to meet horticulturalist Solene Dequiret, hoping to be in time to see two very foul-smelling plants in very rare bloom.
Nose pegs at the ready...
Presenter: Marnie Chesterton \nProducers: Gerry Holt, Katie Tomsett & Ella Hubber \nEditor: Martin Smith \nProduction Co-ordinator: Jana Bennett-Holesworth