4 elements earn permanent seats on periodic table

by -NO AUTHOR- -- (ScienceNews) The seventh row of the periodic table is officially full. On December 30, the International Union of Pure and Applied Chemistry announced that a Russian-U.S. collaboration had more…

The 10 'most brilliant' days in world's history

by Bill Federer -- [caption id="attachment_2795625" align="aligncenter" width="600"] George Washington in Battle of Princeton[/caption] Frederick the Great of Prussia called these ten days "the most brilliant in the world's history." After winning more…

Will the real Betsy Ross please stand up?

by Bill Federer -- [caption id="attachment_2795275" align="aligncenter" width="600"] Did Betsy Ross really sew the first American flag?[/caption] A 3-cent stamp honoring Betsy Ross was issued in Philadelphia, Jan. 2, 1952, commemorating the more…