The Australopithecus sediba, a hominid of more than 1.9 million years discovered in Africa, I was able to make tools, walked like a human and had a unique combination of highly advanced features. It may be the direct ancestor of Homo erectus.
Apparently, black and white had not been de rigeur around 35 million years ago for penguinkind. Until now.
The ear not only provides us with our sense of hearing, it also gives us the sense of balance. It is a complex organ that is divided into three parts: the outer ear, which gathers sound like a radar scanner; the middle ear, whose gear-like assembly of bones amplify the sounds they receive; and the inner ear, which converts sound vibrations into electrical impulses and works out the position the head is in.