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More or Less Episodes

  1.

    Teachers, Test & Trace and Butterflies

    Are teachers more at risk from Covid-19?

  2. The rapid test row

    The huge row among scientists about rapid coronavirus tests.

  3. Deaths at Home, Supermarket Infections and the Cobra Effect

    Where are people catching Covid-19?

  4. Counting Covid’s impact on GDP

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

  5. 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?

  6. How effective is one Covid vaccine dose?

    Calculating the protection given by the Pfizer/BioNtech vaccine

  7. How effective is one dose of the vaccine?

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

  8. Ants and Algorithms

    David Sumpter describes the algorithms ruling the world

  9. Numbers of the year: Part two

    Tim Harford showcases statistics from 2020

  10. Numbers of the year: Part one

    Tim Harford showcases statistics from 2020

  11. The economics of a Covid Christmas

    What to consider when buying presents this year

  12. QAnon: Child runaways and trafficking numbers debunked

    Tackling statistics spread by conspiracy theorists.

  13. Vaccines: How safe and who gets it?

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

  14. Tracking Covid 19

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

  15. Inviting Covid for Dinner

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

  16. Vaccine numbers

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

  17. How deadly is Covid 19?

    Why there isn’t one single death rate.

  18. Asymptomatic Covid-19 cases

    How many Covid-19 cases are truly asymptomatic?

  19. US election: facts or fiction

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

  20. Auction Theory - Paul Milgrom and Robert Wilson

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

  21. A short history of probability

    Gamblers, millionaires and annuities

  22. Spreadsheet snafu, ‘Long Covid’ quantified, and the birth of probability

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

  23. Trump’s misleading 'fact' about the Covid-19 death count in the US

    We examine a suspect stat from the US and an eye-popping claim about volumising mascara.

  24. 'Record' Covid cases, Trump on the death count, and ant pheromones

    Case counts in perspective, a suspect stat from the US, and life lessons from insects.

  25. Caffeine and pregnancy

    Do coffee and pregnancy mix?

  26. Covid curve queried, false positives, and the Queen’s head

    How fast are coronavirus cases doubling? Plus testing confusion and a royal face-off.

  27. The magical maths of pool testing

    Could pool testing hold the key to ramping up Covid-19 testing?

  28. Covid testing capacity, refugee numbers, and mascara

    Confusing claims on lab capacity, the UK’s record on asylum, and the volume of eyelashes.

  29. Sex workers in the 18th century and jellyfish

    Did one in five women in 18th century London made a living selling sex?

  30. Covid cases rising, a guide to life’s risks, and racing jelly-fish

    How worrying is the UK’s jump in cases? Plus balancing risks and the speed of jelly-fish.

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