The "prisoner's dilemma" is one of the most famous ideas in game theory. For decades, this game has been used to explain why selfishness often beats cooperation. In the prisoner's dilemma, two players ...
A breakthrough deal to attempt to limit global temperature rises was agreed at a conference of world nations in December 2015. These charts from the time show how and why the Earth’s climate is ...
line graph – to show a change over time pie chart – show the individual parts that make up a whole bar chart – compare things that aren’t directly related scatter graph – look for a pattern or link ...
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