1.5 million-year-old "modern human" footprint? Could this be from your great great...? - how to pronounce 1-5 in french

... great ... Great-great-great-grandfather?
To http://news.bbc.co.uk/2/hi/science/natur ... for a photograph and full BBC article:

"The first human traces' found

The first evidence that modern humans are trained for foot anatomy and gait, were discovered in Kenya.

The 1.5 million years old, are signs of signs of an arc upward and aligned short toes, as opposed to older songs.

The size and spacing of the marks of Kenya - attributed to Homo erectus - reflect the size, weight and type of operation of the modern man ...

Like many primates, such as the foot has developed in its present form, is clear.

The fossils clearly not in the hands and feet bones ...

The reason for this is that predators such as his hands and feet to eat ...

When the meat is gone, there is a pile of bones that are not preserved, so that we know very little about the development of the hands and feet of our ancestors ... "