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scientific american - 1993 01 - the turbulent birth of the milky way
scientific american - 1993 03 - black holes and the centrifugal force paradox
scientific american - 1993 04 - controlling the quantum jitters of atoms
scientific american - 1993 06 - tuning in the radio signals of ancient galaxies
scientific american - 1993 09 - special issue - life, death, and the immune system
scientific american - 1993 10 - is los angeles winning the war on smog
scientific american - 1993 11 - reading the genes of extinct species
scientific american - 1994 03 - visiting yourself in the past
scientific american - 1994 04 - the dilemmas of prostate cancer
scientific american - 1994 06 - was there a race to the moon
scientific american - 1994 10 - special issue - life in the universe
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