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Alien vs aliens: The android difference explained

The Android difference explained dives into one of the most fascinating contrasts in the Alien franchise. While the ...
insider.si.edu

A short history of nearly everything / Bill Bryson

Lost in the cosmos: How to build a universe; Welcome to the solar system; Reverend Evans's universe -- Size of the earth: Measure of things; Stone-breakers; Science red in tooth and claw; Elemental ...