Archaeologists Uncover Notched Logs That May Be the Oldest K

The interlocking pieces, found near a waterfall in Zambia, date to 476,000 years ago—before Homo sapiens evolved

Related Keywords

Zambia , Washington , United States , Israel , Kalambo River , Zambia General , New York , Kalambo Falls , American , Ewen Callaway , Biancamaria Aranguren , Larry Barham , Maddie Burakoff , Carl Zimmer , Tom Metcalfe , New York Times , Aberystwyth University In Wales , University Of Liverpool , University Of Reading , Professor Larry Barham , Scientific American , Associated Press , Agence France Presse , New York Time Carl , Stone Age , Nature New Ewen , Geoff Duller , Aberystwyth University , Lincoln Logs , Inside Science , ,