Hacker News new | ask | show | jobs
by maratd 4949 days ago
> Our brains are big enough now after generations of evolution.

Err... bigger isn't always better, but I won't say no to a bigger noggin.

> Time to put those big brains to use so we can figure out how to continue the existence of the human species.

I wasn't aware we were heading toward extinction? There are billions of us, you know?

> I really doubt it'll be by continuing to eat lots of cows.

I like chickens, turkeys, goats, sheep, and all the other domesticated animals too. There's fish as well. Oh, and there's pigs too. I don't think we've ever relied on a single animal for sustenance?

2 comments

> Err... bigger isn't always better, but I won't say no to a bigger noggin.

There is evidence that our heads would have kept growing if it wasn't for the fact that it makes it pretty likely that women will die in childbirth. So instead evolution got around this by having us born earlier, which is why we're basically born as fetuses compared to most animals. But there's a limit to that too of course.

> But there's a limit to that too of course.

In my state of NJ, roughly 50% of babies are "born" by c-section. So that limit seems to be a little fuzzy at the moment.

As a matter of fact, cows were pretty late on the "domestication" game (around 3-4k years after pigs and sheep)[1].

Also, a lot of studies indicate that the kind of meat the humans ate when their brains grew was much more on the frog/bird/misc small animals side than on domesticated cattle.

[1] The edible story of food / Guns, germs & steel