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The declining age of menarche over the past 150 years has been measured in many European countries,
Flynn Effect IQ scores have risen across developed countries in recent decades. Source: Flynn (199
This chart illustrates the four quadrants in which we can place the relationships between the state
Booker T. Washington in his office at Tuskegee Institute, 1900. Washington chose a policy of accommo
Structure of retroviral genomes in the integrated state
Life Expectancy in Developing Countries