Just today...
http://www.bbc.com/news/science-environment-31718336
Quote:
But the fossil record between the time period when Lucy and her kin were alive and the emergence of **** erectus (with its relatively large brain and humanlike body proportions) two million years ago is sparse.
Another Quote:
The fossil is of the left side of the lower jaw, along with five teeth. The back molar teeth are smaller than those of other hominins living in the area and are one of the features that distinguish humans from more primitive ancestors, according to Professor William Kimbel, director of Arizona State University's Institute of Human Origins.
http://www.bbc.com/news/science-environment-31718336
Quote:
But the fossil record between the time period when Lucy and her kin were alive and the emergence of **** erectus (with its relatively large brain and humanlike body proportions) two million years ago is sparse.
Another Quote:
The fossil is of the left side of the lower jaw, along with five teeth. The back molar teeth are smaller than those of other hominins living in the area and are one of the features that distinguish humans from more primitive ancestors, according to Professor William Kimbel, director of Arizona State University's Institute of Human Origins.