Schools should teach young people about how to identify "fake news", says the Organisation for Economic Co-operation and Development's education director.
Andreas Schleicher is planning to include questions about such "global competencies" in the next round of the influential international Pisa tests.
He wants teenagers to look beyond the social media "echo chamber", where they might hear only views like their own.
Students need more places to "exchange ideas", says Mr Schleicher.
The OECD aims to develop global policies focused on…