Evolution isn't possible without death long before humans arrival. (religion.blogs.cnn.com)
He suggests a more conservative estimate of human arrival between 55,000 and 60,000 years ago. (sciencenews.org)
He is convinced that people were responsible for the mass extinctions because they commenced with human arrival everywhere: first, in Australia 60,000 years ago, then mainland America 13,000 years ago, followed by the Caribbean islands 6,000 years ago, and Madagascar 2,000 years ago. (discovermagazine.com)