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International PISA tests show how evidence
The Programme for International Student Assessment (PISA) implemented by the OECD has been controver...
How to fix Latin America’s homicide problem
In the 1990s, the capital of Colombia’s mountainous Antioquia province Medellin had one of the world...
Climate and the G20 summit: some progress in greening economies, but more needs to be done
On July 7, G20 leaders will gather in Hamburg for their annual meeting. One likely outcome: another...