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Otto John: new light shed on legendary Cold War double defector
Imagine if the director of the American FBI or Britain’s MI5 were to defect to a hostile state. Thin...
Understanding the amazing complexity of sign language
Most people are familiar with sign language, the system that deaf people use to communicate. What fe...
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...
How the gas industry can help fight climate change in Siberia
Permafrost is the layer of permanently frozen earth – over a 1,000 metres thick in some places – th...