But scientists aren't too excited about sudden thickening of Greenland's Jakobshavn
                                
                                
                                    (Newser) -
                                    "At first, we didn't believe it." Indeed, the data presented to NASA glaciologist Ala Khazendar and colleagues regarding Jakobshavn Glacier was almost unbelievable. For 20 years, Jakobshavn has been Greenland's  fastest-thinning  and fastest-flowing glacier. Its thickness shrank 500 feet from 2003 to 2016. But since then,...