Day, Wally wrote:
>
> Discover magazine recently had an article about how we may be
> affecting (speeding up?) our own evolution. The original idea is that
> adaptation takes place in response to environmental pressures. But,
> what if the species is modifying the environment while they are
> adapting to it? Many people who are alive today would have succumbed
> to harsher conditions in the past, but nowadays they are surviving or
> even thriving (and passing on their genes).
There are weaklings who are unlucky victims of generations of poor diet,
but I don't see how this is evidence of evolution. Looks more like
devolution. IMO
William