Asteroids... [was: Unix [was: do...until wisdom needed...]

[Steven D. Majewski]

On Sat, 12 May 2001, Grant Edwards wrote:

> On Fri, 11 May 2001 23:55:42 GMT, Courageous <jkraska1 at san.rr.com> wrote:
> >
> >>But not having it is so rarely a bad idea so rarely, and the
> >>cost expenditure can't be amortized over such a long period of
> >>time.
> >
> >Unless, of course, asteroid "resistance" is merely an expression
> >of a much more general and useful evolutionary advantage...
> 
> Or the cost is low enough that it isn't a negative selective
> pressure.  Somehow, I doubt that asteroid resistance would be
> either low cost or a side-effect of another advantageous
> feature of reasonable cost.
> 

 I think the problem is: If planet-devastating asteroid collisions
are rare events, how would asteroid resistance evolve? 

 (Maybe as a side  effect of bacteria evolving to live in hot
  volcanic ducts -- but a fat lot of good that's going to do *ME*! ) 

-- Steve Majewski