A Short History of Nearly Everything
Bill Bryson
In a book full of numbers, most of them either very big or very small, one that stuck out at me was that the distance from the surface to the center of the Earth is roughly 4,000 miles, but the deepest mines in the world only go down about two miles (with most only descending a quarter of a mile). “If the planet were an apple,” Bill Bryson writes, “we wouldn’t yet have broken through the skin.” So much of inner and outer space is an undiscovered country. And so this is really a Short History of Things We Don’t Know. Which is, still, pretty much everything.
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