Is it true that for every nine people executed in the US, there is one person exonerated?
How the Y chromosome transforms a female embryo to a male one
Should animals (including primates) be entitled to rights - or just humane treatment?
Activists claim 40% of unarmed men dying at the hands of the police are black.
The dangerous city of Medellin in Colombia, and its dramatic transformation
Boxing champions from Norway and Costa Rica reflect on life in and out of the ring
Exploring the forces that could bring change to football’s troubled governing body.
EU summit in Riga, technology and Jewish religious law, making money out of Eurovision
Mark Surman from the Mozilla Foundation defends the principle of an open internet.
New research suggests social cause could provoke PTSD. What is the evidence?
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