“‘This is an unprecedented situation and a big deal,’ said study lead author Duncan Agnew, a geophysicist at the Scripps Institution of Oceanography at the University of California, San Diego. ‘It’s not a huge change in the Earth’s rotation that’s going to lead to some catastrophe or anything, but it is something notable. It’s yet another indication that we’re in a very unusual time.'” A faster spinning Earth may cause timekeepers to subtract a second from world clocks. (Ok, but which second?)