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Latin America & Caribbean
Rios Montt's conviction annulled
Guatemala's top court throws out the genocide conviction of ex-leader Efrain Rios, whose trial will now be restarted from the middle of proceedings.
Striking a chord
Heard the one about the orchestra that walked into a bar?
Light relief
The songs readers most enjoy when they are feeling low
Under the hood
Spotlight on Chile's masked protest movement
High-tech economy
Can China harness its millions of cheap graduates?
A leaf from nature's book
Cities rely on systems which pollute our world, but that will all change in the future, writes Rachel Armstrong
Click
David Reid visits Cern to find out about the plans to restore the world's first web page
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US tornado rescue effort nears end