3 ms·Earth faces “biological annihilation” in sixth mass extinction, scientists warn1 points by obituary_latte 9y agoobituary_latte 9y agoStudy paper: http://m.pnas.org/content/early/2017/07/05/1704949114.full http://m.pnas.org/content/early/2017/07/05/1704949114.full