Can you really buy an electric car for everybody in the UK for the cost of HS2? That claim was recently made on Radio 4's Broadcasting House programme. Also we look at a viral claim that 1 in 73 people who received the Covid vaccine in England was dead by May 2022. Plus we look at the size of the UK's carbon emissions when compared with China and talk about how a recent More or Less maths error pales in comparison to one in the Guardian. Presenter: Tim Harford Series Producer: Jon Bithrey Reporters: Nathan Gower, Natasha Fernandes Production Co-ordinator: Janet Staples Editor: Richard Vadon