As far as we know

As far as we know

by Paul T. Callaghan

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About
As Far As We Know answers some of the oldest and most perplexing questions that have been posed about science - from what existed before the Big Bang to the rise of Homo sapiens. In their discussions, Kim Hill and Paul Callaghan consider some of the most momentous concepts of our time and in the process make science understandable, and, above all, entertaining and interesting.

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