Talk it over: Language, uniquely, makes us human

We humans tend to consider ourselves apart from other species. But we're not really so different. So what makes us unique? I'd say it's language, though not everyone would agree.

New species of early hominid found

(PhysOrg.com) -- A previously unknown species of hominid that lived in what is now South Africa around two million years ago has been found in the form of a fossilized skeleton of a child and several bones of adults. The ...