Why is it that human male brains are, on average, approximately 10 - 15 % larger than female brains ?

Bigger heads, if the brain wasn't larger to compensate it then it would just be knocking around in there. And while it may seem that it's happening anyways it' just that it's the way it is.

I love any excuse to make popcorn. Be back soon!

they need more space to function...like a man cave

Our minds explode because you men are hard work.

I haven't been able to find any authority on which you base your percentages on..I don't doubt it exists I can't seem to find any source..

Is this like fake news question and the task is to spot it?

Larger heads.

Because there is more room in boxer shorts.

You need extra room for useful information, because the place is so cluttered with porn, dirty socks, and empty Doritos packages. 😜

It's just baby weight. It burns off sometime after they start having sex again

They'd look funny with pinheads that's why.

That may be true but it only means they need more brain to achieve less than that of the average woman 🙂

alabamian brains is bigger than Tennesseans