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Selfless evolution: An idea rejected

Selfless evolution: An idea rejected

Darwin proposed that altruism arose because it makes groups fitter. But group selection, as this idea is known, has a complicated history

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Selfless evolution: A new consensus

Selfless evolution: A new consensus

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Selfless evolution: An idea revived

Selfless evolution: An idea revived

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Intelligence: Are we getting smarter?

Mind

Intelligence: Are we getting smarter?

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Intelligence: What makes someone smart?

Mind

Intelligence: What makes someone smart?

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Intelligence: Boosting brainpower

Mind

Intelligence: Boosting brainpower

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Intelligence: What is it?

Mind

Intelligence: What is it?

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Theory of everything: Have we now got one?

Space

Theory of everything: Have we now got one?

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Theory of everything: Answering the critics

Space

Theory of everything: Answering the critics

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Theory of everything: The road to unification

Space

Theory of everything: The road to unification

Our leading candidate, M-theory, has three radical ingredients: extra dimensions, supersymmetry, and extended objects called superstrings and membranes

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Space

Theory of everything: The big questions in physics

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Life

Astrobiology: Hot topics in the search for ET

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Life

Astrobiology: Are we alone in the universe?

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Life

Astrobiology: The hunt for alien life

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