Writer prepares to retrace early humans' journey out of Africa's Great Rift Valley

This article is from the source 'guardian' and was first published or seen on December 08, 2012 23:42 (UTC). It last changed over 40 days ago and won't be checked again for changes.

You can find the current article at its original source at http://www.guardian.co.uk/environment/2012/dec/08/writer-retrace-early-humans-journey-africa

The article has changed 1 times. There is an RSS feed of changes available.