Well, not everyone has become a weakling. For instance, the Tarahumara Tribe in northern Mexico may run several hundred miles over the course of a...
The same reason they still teach basic arithmetic in school - everyone has to learn it sometime.
This works because humans sweat to keep cool, while other animals rely on panting, which is not nearly as effective, especially when running....
Sorry, wouldn't let me rep you again. That's his MO. I've been in debates with him before and he tends to avoid responding to posts that put him...
Separate names with a comma.