[AndyJackson]

I’m surprised that we ended up without that ability - would seem to be a clear advantage to keeping oneself alive.

Stone tools, fire and the ability to out-endure over time and distance anything that looked like pray while walking gave homo and enormous advantage.

[blam]

"Stone tools, fire and the ability to out-endure over time and distance anything that looked like prey while walking gave homo and enormous advantage. "

Even today, if you were good enough to keep track and stalk any other mammal on the earth, he would die of exhaustion before you.

Humans are the most endurable animals on the planet.