‘Lucy’s baby’ suggests famed human ancestor had a primitive brain
This is based on rather limited data points, but it appears that young Australopithecus had brains more similar to that of chimps than man and it developed more as it grew.
And the second deals with a clarification on the placement of Homo antecessor:
Mysterious human ancestor finds its place in our family tree
By analyzing peptides in teeth of the fossil they were able to determine aspects of its relation to modern man.
This is based on rather limited data points, but it appears that young Australopithecus had brains more similar to that of chimps than man and it developed more as it grew.
And the second deals with a clarification on the placement of Homo antecessor:
Mysterious human ancestor finds its place in our family tree
By analyzing peptides in teeth of the fossil they were able to determine aspects of its relation to modern man.