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  1.

    The truth about obesity and Covid-19

    Are countries with higher obesity rates suffering from more deaths?

  2. Sainthood and Cup draws

    Your chances of becoming a saint, plus football odds.

  3. Why are US Covid cases falling?

    From herd immunity to the weather, Tim Harford explores the theories

  4. Covid 19 death count: Which countries are faring worst?

    Tim Harford finds out if we can trust international comparisons with the available data.

  5. Comparing death counts, Lock Down drinking and Long Covid

    Is the UK鈥檚 Covid-19 death count among the worst in the world?

  6. How much Covid in the world?

    Counting all the virus particles in every human on the planet.

  7. Brexit exports, cladding and are 1 in 5 disabled?

    Are exports to the EU down since Brexit? Plus removing flammable building cladding.

  8. Glasgow vs Rwanda

    Could life expectancy in some parts of Glasgow be worse than in Rwanda?

  9. Teachers, Test & Trace and Butterflies

    Are teachers more at risk from Covid-19?

  10. The rapid test row

    The huge row among scientists about rapid coronavirus tests.

  11. Deaths at 91福利社, Supermarket Infections and the Cobra Effect

    Where are people catching Covid-19?

  12. Counting Covid鈥檚 impact on GDP

    Which countries have done worse, and what can GDP tell us?

  13. Will the vaccine bring back normal life? GDP and Fishing

    If we vaccinate the top four priority groups by February, how much will things change?

  14. How effective is one Covid vaccine dose?

    Calculating the protection given by the Pfizer/BioNtech vaccine

  15. How effective is one dose of the vaccine?

    Is the first dose of the Pfizer Covid-19 vaccine 52% or 90% effective?

  16. Ants and Algorithms

    David Sumpter describes the algorithms ruling the world

  17. Numbers of the year: Part two

    Tim Harford showcases statistics from 2020

  18. Numbers of the year: Part one

    Tim Harford showcases statistics from 2020

  19. The economics of a Covid Christmas

    What to consider when buying presents this year

  20. QAnon: Child runaways and trafficking numbers debunked

    Tackling statistics spread by conspiracy theorists.

  21. Vaccines: How safe and who gets it?

    Is it too soon to approve for use? Plus choosing who goes first.

  22. Tracking Covid 19

    Which countries are doing well at keeping track of the virus?

  23. Inviting Covid for Dinner

    If you go to a gathering of 25 people, what are the chances one of you has coronavirus?

  24. Vaccine numbers

    How much protection will a new Covid-19 vaccine give?

  25. How deadly is Covid 19?

    Why there isn鈥檛 one single death rate.

  26. Asymptomatic Covid-19 cases

    How many Covid-19 cases are truly asymptomatic?

  27. US election: facts or fiction

    Tim Harford hears about the sheer volume of false claims made in the campaign.

  28. Auction Theory - Paul Milgrom and Robert Wilson

    This year鈥檚 Nobel memorial prize winners for economics and their work on auction theory.

  29. A short history of probability

    Gamblers, millionaires and annuities

  30. Spreadsheet snafu, 鈥楲ong Covid鈥� quantified, and the birth of probability

    Missing coronavirus case data, long-term symptoms, and a big mathematical moment.

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