107 en.wikipedia.org 0 0 1 https /wiki/Main_Page 1 2100000000 1 Wikipedia, the free encyclopedia slashdot.org 0 0 2 http / 2 2100000000 0 https / 3 2100000000 1 Slashdot: News for nerds, stuff that matters www.bbc.co.uk 0 0 1 http /news/science_and_environment 1 2100000000 1 Science & Environment - BBC News