4 ms·
New evidence for that: http://www.bbc.com/news/science-environment-14827624 http://www.bbc.com/news/science-environment-14827624
by stevedonovan 11y ago
New evidence for that: http://www.bbc.com/news/science-environment-14827624 http://www.bbc.com/news/science-environment-14827624