成人快手

Will Bitcoin use more electricity than the United States?

Measuring the energy used to keep the crypotcurrency secure

• 9 mins

Statistics of the Year 2017

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

• 9 mins

Just How Rare is a Hole-in-One?

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

• 9 mins

How Louis Bachelier Scooped Economists by Half a Century

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

• 9 mins

Real Lives Behind the Numbers

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

• 9 mins

Is the US Census Under Threat?

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

• 9 mins

Is China On Track to End Poverty by 2020?

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

• 9 mins

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

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

• 9 mins

Debunking guide 鈥� on a postcard

How to question dubious statistics in just a few short steps

• 9 mins

The Winter Olympics

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

• 9 mins

Women, the Oscars and the Bechdel Test

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

• 9 mins

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?

• 9 mins

Factchecking Trump on Trade

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

• 9 mins

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

• 9 mins

How Deadly Was 1920s Melbourne?

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

• 9 mins

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.

• 9 mins

Are We Breathing Unsafe Air?

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

• 9 mins

How Should We Think About Spending?

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

• 9 mins

Puerto Rico: Statistics v Politics

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

• 9 mins

Exposing the Biases We Have of the World

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

• 9 mins

Tulipmania Mythology

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

• 9 mins

James Comey: Basketball Superstar?

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

• 9 mins

Australia Calling

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

• 9 mins

Harry Potter: How Many Wizards?

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

• 9 mins

How Many Animals are Born Every Day?

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

• 9 mins

FIFA World Cup Extravaganza

How the 鈥榖eautiful game鈥� has changed鈥�through numbers.

• 9 mins

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?

• 9 mins

Running at the World Cup

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

• 9 mins

Are There More Stars Than Grains of Beach Sand?

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

• 9 mins

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

• 9 mins