9. Historical Human Lifespan Unfortunately, such measures of average lifespan depend heavily on infant mortality and do not reflect the typical age of death for a fully grown adult. Also, contemporary methods of information collection may have varied enough among periods to produce significant discrepancies. 67.2 Current World Average 30-45 Early 20 th Century 15-30 Early Modern Britain 30 Medieval Britain 35+ Medieval Islamic Caliphate 25-30 Pre-Columbian North America 28 Classical Rome 28 Classical Greece 26 Bronze and Iron Age 20 Neolithic 33 Upper Paleolithic Life Expectancy at Birth (years) Era
30. “ GloFish” were the first pet to be created through genetic engineering. These mice have had their genes modified to produce a desired fur monocolor or mosaic.
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32. What will perhaps one day be considered a primitive negative genetic engineering technique.
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36. Dr. James M. Wilson, whose academic misconduct led to the death of Jesse Gelsinger, still teaches as an honored professor at the University of Pennsylvania.