Diminishing Human Intelligence (3:31) --
Intelligence of Prehistoric Man (4:01) --
Intelligence Quotient: Alfred Binet (5:17) --
Neural Efficiency (4:32) --
Elephants and Color Word Test (2:56) --
Brain White Matter (1:38) --
Pollutants Retard Brain Development (2:17) --
Glial Cells: Astrocytes (3:39) --
Astrocyte Experiment on Mice (1:46) --
Twin Intelligence Study (4:13) --
Immigration Act of 1924 (1:46) --
Racist Theories (3:03) --
Dimensions of Intelligence (2:37) --
Intelligent and Creative Reasoning (2:40) --
Inventive/Creative Reasoning (2:54) --
Credits: Intelligence Under The Microscope-Brain Power (0:31)
