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It is generally recognised that women are better than men at languages, personal relations and multi-tasking, but less good at map-reading and spatial...more

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I used to think information was destroyed in black hole. This was my biggest blunder, or at least my biggest blunder in science.

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The radiation left over from the Big Bang is the same as that in your microwave oven but very much less powerful. It would heat your pizza only to min...more

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I'm never any good in the morning. It is only after four in the afternoon that I get going.

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I don't think the human race will survive the next thousand years, unless we spread into space.

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As Irving Good realised in 1965, machines with superhuman intelligence could repeatedly improve their design even further, triggering what Vernor Ving...more

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I think the human race doesn't have a future if it doesn't go into space.