• Scientists find evidence that humans were in North America 100,000 years earlier than believed http://www.cbc.ca/beta/news/technology/humans-north-america-130000-1.4086109 4 comments 26/4/2017 science
• Scientists find evidence that humans were in North America 100 000 years earlier than believed http://www.cbc.ca/news/technology/humans-north-america-130000-1.4086109 187 comments 26/4/2017 worldnews
• Scientists find evidence that humans were in North America 100,000 years earlier than believed http://www.cbc.ca/news/technology/humans-north-america-130000-1.4086109 3 comments 26/4/2017 science