The famous human ancestor known as Lucy walked the Earth, but it was her tree climbing that might have led to her demise, a new study suggests. The Texas team examined Lucy's bones and used high-tech imaging. They contend most of the cracks in Lucy's bones are well documented and came after her death from the fossilization process and natural forces such as erosion. Her discovery was significant because it allowed scientists to establish that ancient human ancestors walked upright before evolving a big brain. No signs of healingThe Texas team examined Lucy's bones and used high-tech imaging.

Source: CBC News August 29, 2016 18:00 UTC