The Excavations of Carlos Ribeiro
 

[URL="https://web.archive.org/web/20020301000759/http://us.altnews.com.au/nexus/ribeiro.html"]The Excavations of Carlos Ribeiro In the 1860s, Portuguese geologist Carlos Ribeiro found worked flints in Miocene strata which suggest a much earlier date for the emergence of modern humans than that accepted by mainstream scientists today.[/URL]