Cuts Both Ways
TED Radio Hour
The Role of Genetics in Children's Success
Millions of children have been studied to disentangle all those shaping forces that are usually intertwined. Studies follow identical twins and fraternal twins and plain old siblings, growing up together or adopted and raised apart. It turns out that growing up in the same home does not make children noticeably more alike than if they had been raised apart. The environment mattered too, just something in the environment that didn't shape kids growing up in a similar home to be more like each other.
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