this post was submitted on 12 Aug 2023
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Curated Tumblr
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When it's hot out, the human wins. When it's cold/cool, humans can't stand a chance against the horses. Similarly, wolves and dogs can easily outrun humans in the cold, but lose to humans when it's hot.
That's because the biggest comparative advantage that humans have is actually thermal management while running, not the act of running itself.
Humans sweat. This means we can actually perform intense exercise even in heat, without overheating as easily as most other animals. Most quadruped mammals pant to cool, and have their breaths tied to their steps while running, so they can't cool themselves efficiently while on the move. Persistence hunting doesn't tire out prey, but actually overheats the prey to where they can't run any further.
Throw in the fact that we can throw, handle weapons while running, climb shit, talk, invent things, etc., and we really have been a deadly species for long before industrialization.