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  1.

    Do Assassinations Work?

    How likely are assassination attempts on heads of state to succeed?

  2. Timing a Tsunami

    How fast do Tsunamis travel?

  3. Vaccines: The Importance of The Herd and Social Media

    What proportion of a population needs to be vaccinated to stop a disease spreading?

  4. Foreign Aid: Who鈥檚 The Most Generous?

    In foreign aid terms what鈥檚 the best way of measuring how generous a country is?

  5. Paul Romer and William Nordhaus鈥� Big Ideas

    The economists tackling climate change and growth

  6. Why are Lesbians More Likely to Divorce than Gay Men?

    Tim Harford talks to economist Marina Adshade about same-sex divorce statistics.

  7. Surviving the Battle of Britain

    Were Spitfire pilots killed after an average of four weeks in the World War Two battle?

  8. Trump and the Puerto Rico Death Toll

    How can we calculate excess mortality after a natural disaster?

  9. DNA: Are you more Chimp or Neanderthal?

    Is our DNA more chimp or Neanderthal?

  10. The safest car in the world?

    A listener asks whether his Volvo is the safest car on the road

  11. How well do you understand your world?

    Tim Harford talks to Bobby Duffy about why we are often wrong about a lot of basic facts

  12. Automated Fact-checking

    Computer programmes are being developed to combat fake news.

  13. Are Wildfires Really Burning More Land?

    Are Wildfires in the United States and Southern Europe burning more land than before?

  14. Numbers Behind a Tweetstorm

    How do you get a hashtag to trend around the world?

  15. Carbs, Sugar and the Truth

    Does a baked potato contain the equivalent of 19 cubes of sugar?

  16. Getting Creative with Statistics

    How big are your testicles and what does that mean?

  17. How to Cycle Really Fast

    How much better are the pros than the rest of us and how effective is slipstreaming?

  18. Should We Have Smaller Families To Save The Planet?

    Having one fewer child could be the biggest thing you do to reduce your carbon footprint

  19. Are There More Stars Than Grains of Beach Sand?

    Stars vs Sand. We work out who wins the ultimate cosmic battle.

  20. Running at the World Cup

    Is it strange that Russian football players have run such big distances?

  21. How Many Words Do You Need to Speak a Language?

    How many words do you need to speak a language and how many do native speakers use?

  22. FIFA World Cup Extravaganza

    How the 鈥榖eautiful game鈥� has changed鈥hrough numbers.

  23. How Many Animals are Born Every Day?

    From penguins to nematodes - is it possible to count how many animals are born every day?

  24. Harry Potter: How Many Wizards?

    Fans have long debated - just how many wizards live among us?

  25. Australia Calling

    Do one in seven businessmen throw out their underwear after wearing them once?

  26. James Comey: Basketball Superstar?

    James Comey is very tall - but what are the chances he could have been a pro baller?

  27. Tulipmania Mythology

    What is the truth behind the 17th Century Dutch craze for tulips?

  28. Exposing the Biases We Have of the World

    Statistician Hans Rosling鈥檚 family talk about the book they co-wrote about preconceptions

  29. Puerto Rico: Statistics v Politics

    Why some fear the statistics authority is about to lose its independence

  30. How Should We Think About Spending?

    Tim Harford talks to economist Dan Ariely about the psychology of money.

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