[Tax-chick]

And probably beer, as I pointed out on a similar thread, since women were mixing grain with stuff and trying to get bread to rise. “Wow, Ra-Ho-Tep! Your wife’s barley gruel makes me feel a little ... funny!”

[Harmless Teddy Bear]

And cooked food. Which made the whole "civilization" thing possible. Guys didn't do so well on the hunt? No worries, you can still go back to the camp and have a nice meal of cooked veggies.

Because the veggies are cooked and softened you can eat them quickly and gain a lot more nutrition then if you ate them raw. So you will have more hours tomorrow to go hunting and more energy to do it.

So I guess you could say we invented time management too.