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Brazil鈥檚 Maths Superstar
Alex Bellos tells the surprising story of Brazil's favourite maths book.
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?
Killed for Being Female?
Are there 100 million women missing from the world?
Magic Numbers
Do you have a favourite number - one you think stands out from all the others?
Nigeria - Rich or Poor?
How did Nigeria become the largest African economy overnight?
Freedom in Numbers
How many people in the world live in freedom? First broadcast live on 01 April 2014.
Freedom in Numbers
How many people in the world live in freedom?
Is London France鈥檚 Sixth Largest City?
Are there really 300,000 French people in London?
Missing Planes
Could Bayesian statistics help find Flight MH370?
Mailbox Edition
Your questions 鈥� from the USA, Australia and the world
