A single blood protein, the Kell antigen, might be to blame both for the wives of Henry VIII many miscarriages and for his bizarre paranoid mid-life behavior.
The diluted radiation plume from Japan's damaged nuclear reactors might brush the Aleutian Islands today and sweep into southern California by late Friday.
These NASA satellite photos from September 2010 and March 2011 show the contrast in the appearance of Japan's coastline, before and after the March 11 tsunami.