[ExI] Debate, EP and psi

[Damien Broderick]

On 6/29/2010 10:27 AM, Keith Henson wrote:

> Re psi, if there is some kind of psi ability existing and it depends
> to some extent on a genetic trait and the ability improves
> reproductive success just a little, then we would expect it to be as
> common as eyesight and as well developed, even if it only provided a
> slight reproductive edge.

Two possible factors:

1) You can only see when there's light.

2) Red Queen's race.

Damien Broderick