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  1.

    How to Cycle Really Fast

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

  2. 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

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

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

  4. Running at the World Cup

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

  5. 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?

  6. FIFA World Cup Extravaganza

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

  7. How Many Animals are Born Every Day?

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

  8. Harry Potter: How Many Wizards?

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

  9. Australia Calling

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

  10. James Comey: Basketball Superstar?

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

  11. Tulipmania Mythology

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

  12. Exposing the Biases We Have of the World

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

  13. Puerto Rico: Statistics v Politics

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

  14. How Should We Think About Spending?

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

  15. Are We Breathing Unsafe Air?

    The W.H.O. say 95% of people in cities breathe unsafe air, but what does 'unsafe' mean?

  16. Why London鈥檚 Murder Rate is Being Compared to New York鈥檚

    Finding out if London is now more deadly than New York.

  17. How Deadly Was 1920s Melbourne?

    How accurate is the murder rate in the crime series Miss Fisher鈥檚 Murder Mysteries?

  18. Were 鈥楨xtra鈥� Votes Counted in Russia鈥檚 Presidential Election?

    We look at voting data to investigate allegations of election fraud in Russia

  19. Factchecking Trump on Trade

    The US President regularly talks about America's trade deficit - do his figures stack up?

  20. Did Sir Roger Bannister make the 鈥榠mpossible鈥� possible?

    A mile in under four minutes. Did positive thinking propel dozens to do the same?

  21. Women, the Oscars and the Bechdel Test

    Ninety years鈥� worth of Best Picture winning films under the spotlight.

  22. The Winter Olympics

    Which is the most successful country? Plus the chances of a dead heat.

  23. Debunking guide 鈥� on a postcard

    How to question dubious statistics in just a few short steps

  24. Russia: Has drinking fallen by 80% in five years?

    Alcohol consumption has fallen sharply according to Russia鈥檚 health ministry.

  25. Is China On Track to End Poverty by 2020?

    We investigate whether the Chinese government can really achieve its extraordinary pledge

  26. Is the US Census Under Threat?

    The survey question that could affect the accuracy of its results.

  27. Real Lives Behind the Numbers

    How individuals manage their money - the personal stories behind economic data.

  28. How Louis Bachelier Scooped Economists by Half a Century

    A forgotten French mathematician鈥檚 unusual approach to the stock market.

  29. Just How Rare is a Hole-in-One?

    Why it is not as simple to work out as you think

  30. Statistics of the Year 2017

    Phones, lawn mowers and how Kim Kardashian helped the public understanding of risk

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