Has the US really sent Ukraine $350 billion for its war effort? Is a $500billion cut of Ukraine’s rare earth minerals a good deal? How will the UK fund the governments ambitions to raise defence spending to 3%? But most important of all - how many muscles are in an elephant’s trunk?

Presenter: Tim HarfordSeries Producer: Charlotte McDonaldReporter: Lizzy McNeillProducers: Nathan Gower and Josh McMinnSound Mix: James BeardEditor: Richard VadonProduction Co-Ordinator: Brenda Brown