The Long Road to Modernity
By Michael Balter
ScienceNOW Daily News
1 December 2008
Most experts agree that Homo sapiens arose in Africa about 200,000 years ago and had more brainpower than earlier hominid species. But it's a matter of debate whether modern humans got smarter in one big cognitive leap or gradually developed their greater intelligence. New dating of an important hominid site in Ethiopia suggests that the road to advanced cognition was long and winding.
The Long Road to Modernity -- Balter 2008 (1201): 1 -- ScienceNOW
