Sept 8, 2011
He was built to climb, and yet he strode upright.
His arms hung low like an orangutan’s. Yet with his long thumbs and curved fingers he could grasp sticks and rocks like a man.
His brain was not much larger than a chimpanzee’s. Yet his widened pelvis implied his kind gave birth to children with much bigger brains.
And so a fossilized adolescent named Karabo — which means “answer” in a South African dialect — is raising a lot of questions about human evolution.
Researchers found his skeleton, and much of an adult female, in a cave some 25 miles north of Johannesburg in 2008 and announced the discovery in 2010. They coined a new species, Australopithecus sediba, and launched an intensive multi-national effort to study the find.
This article was posted: Thursday, September 8, 2011 at 9:04 am