Fear of Heights, Or Not

What happens when a little kid is not afraid of heights at all?

What happens when a little kid IS afraid of heights, and all?

Back to back essays worth reading at Quiche Moraine.

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A new paper on the genetics of height, Meta-Analysis of Genome-Wide Scans for Human Adult Stature Identifies Novel Loci and Associations with Measures of Skeletal Frame Size:
Genetic Determinants of Height Growth Assessed Longitudinally from Infancy to Adulthood in the Northern Finland Birth Cohort 1966. Here's the important part from the discussion:
I was doing some exploring of the effect of a transition to agriculture on human height.