Last year's record-breaking temperatures could be a sign that the world is entering a new era above 1.5C of global warming, ...

We think we live in a world of risk but in fact we live in a world of uncertainty. Risk has probabilities – flip a coin and ...

Nelson Mandela walked out of prison as a free man after 27 years, marking a golden moment in history. On this day in 1979, Ayatollah Khomeini came to power in Iran after 15 years in exile ...