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Margaret Thatcher in numbers
Baroness Margaret Thatcher, who died aged 87, was Britainβs first female prime minister.
Communicating Risk
It's the 4th anniversary of the earthquake which devastated the city of LβAquila in Italy.
That's not much gold
What if a super-villain took control of the worldβs gold and melted it into a cube?
Can big data save lives?
Ruth Alexander speaks to Kenneth Cukier about how data can be used.
Are there more black men in college or prison in the US?
Last week the US Speaker said that there were more black men in prison than in college.
HIV in numbers
With the news that a baby has been βcuredβ of HIV we look at the numbers.
Is the Kenyan election already decided?
Do Kenyans vote along ethnic lines? More Or Less investigates.
Counting Catholics
Tim Harford asks how the figure of 1.2 billion Catholics world-wide is calculated.
How many people support Manchester United ?
This week Ruth Alexander asks whether Manchester United claim 650 million fans worldwide.
The end of the penny.
Canada has stopped distributing its smallest coin βthe one cent or the penny.