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Except that it doesn't: His point with the example lies in the difference between going straight at it and risking ones life verus figuring out a safer alternat
by zyfo 15y ago
Except that it doesn't: His point with the example lies in the difference between going straight at it and risking ones life verus figuring out a safer alternative.
If it was just about energy, both methods would be deemed just as valid, and they'd work for both sapiens and erectus.
Also we don't really need bridges and tv and space shuttles. I'm not saying his reasoning is flawless either, but this doesn't seem to be more convincing.
- Retric 15y agoExcept that cavemen can't preserve food for long periods of time. Cat's spend a lot of their time asleep because hunting is risky behavior and hunting at the wrong time can easily waste energy. Granted I think the amount of time early humans spent hunting is over estimated by most people, but even still if there is easy energy sources to scavenge going hunting is a bad idea.
- RyanMcGreal 15y agoConservation of energy would still favour the latter strategy. It's less work to walk up to some distance from a mammoth and hurl a spear at it than to run right up to the thing.