Shocking Scientific Finding

Now, I'm not a paleontologist, so pardon me for sticking my nose where it doesn't belong, but it's very recently been discovered that chimpanzees behaved 4,300 years ago very similarly to the way they do today. This is news?

I read the whole article, and it could very well be that there aren't paleontology experts at CNN, so the article is poorly written, but I read the whole article to make sure I wasn't missing something. Evidently I'm not missing anything - chimpanzees behaving similarly 4,300 years ago to the way they behave today is supposed to be a groundbreaking discovery.

It was only a few years ago that scientists "discovered" that Mexican food is largely high in salt and fat.

I'm in the wrong field.