1992 Science Year
The World Book Annual Science Supplement : a Review of Science and Technology During the 1991 School Year
Description:... World Book 1992, Annual Science Supplement. Cumulative index of topics for the years 1990, 1991. Some topics are: Christopher Colombus, dolphins, Venus, anthropology and the first Americans, volcanoes, recycling, cinosaurs, nuclear reactors, re-forestation, antibiotics and resistant bacterias, wildfires, microscopic machines, currents and climate, the Milky Way, gravity.
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