On these seven DVDs Sagan has intrigued my family as he discusses the origins of life, space, DNA, intelligent design, the diversity of life, the evolution of cities, the speed of light, constellations, terraforming Mars, natural selection and even the early explorers, the Rosetta Stone and the Alexandria Library.
Sagan had a gift for making complex scientific concepts clear, as shown by this explanation of the beginning of the universe to the arrival of humans on this cosmic calendar.
Ages 9 and up
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