Martin Rees

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    Two Distinguished Scientists on How to Rescue Humanity

    The Anthropocene demands a massive realignment of priorities.

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    Lessons for a Young Scientist

    A masterclass on what science needs now.

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    The Fourth Copernican Revolution

    Is our universe one island in an archipelago?

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    Why Alien Life Will Be Robotic

    If life off Earth exists it has probably transitioned to machine intelligence.

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    Climate Change Is the Moonshot of Our Times

    Consider this scenario: Suppose astronomers had tracked an asteroid, and calculated that it would hit the Earth in 2080, 65 years from now—not with certainty, but with, say, 10 percent probability. Would we relax, saying that this is a problem that can be set aside for 50 years, since people will by then be richer, […]