Amadeus Schmidt wrote > The more unique the technique (like fire or stone tools) the less > competition, the more success. > They daytime bipedal moving gains access to more tubers and carrion. > Fire doubles the calories and scares off predators. > That's a niche, maybe the explanation for the success of h.erectus. ....... DAWN OF HUMANITY: Darkness on the savannah! exept for the FIRE - warming and protecting us roasting the roots we dug up during the day and melting the marrow in the bones we found. The glowing FIRE, the darkness - the others. Esben