9 April 2015
Last updated at 20:48
Where do your old clothes go?
Where do your old clothes go?The 'hidden world' of the second-hand clothing trade.
Interactive poll tracker
Interactive poll trackerHow are parties faring in the opinion polls?
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Surviving childhood in Africa
Why more African children are living longer
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The rise of Islamic State
Interactive video of militant jihadist group
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Cats to computers
Inside the worlds of quantum computing
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Charlie Hebdo attack
What happened during three days of terror
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South Korea ferry disaster
How the tragic sequence of events unfolded
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World Cup
Pick your greatest XI
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Booze calculator
How different countries' drinking habits compare
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What's it like being a cat?
How cats are changing from solitary hunters to domestic pets
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Pooches by postcode
What is the most popular dog in the British Isles?
Surviving childhood in Africa
The rise of Islamic State
Cats to computers
Charlie Hebdo attack
South Korea ferry disaster
World Cup
What's it like being a cat?
Pooches by postcode