Maintaining very small ecosystems

> It might make it more difficult for birds and insects to fly.
> [...] A person might
> suffer greater injury from falling since the terminal velocity is higher and
> things falling from great heights will cause more damage to the things they
> fall on top of.

Well, adjusting the effective gravity to 1/2 Earth normal would take
care of all of these issues for 1/2 atmosphere... I agree though that
boiling is not a very effective method of cooking at low pressure.

Arthur (apsmith@...