July 15, 2013
8:42 p.m.
(Probably of marginal interest to most folks on the list.)
From the on-line Washington Post: "Stutters in Earth's spin changed length of days slightly" http://www.washingtonpost.com/national/health-science/stutters-in-earths-spi...
The Post article stems from R. Holme & O. de Viron, "Characterization and implications of intradecadal variations in length of day," Nature 499, 202-204 (11 July 2013); http://www.nature.com/nature/journal/v499/n7457/full/nature12282.html (only abstract is available for free). --ado