[caption id="attachment_17201" align="alignright" width="300"] Teotihuacan - Pyramid of the Sun (Mexico, Aztec, first–second century A.D.Photo: Joel Bedford via Flickr.com. Creative Commons Logo Used under a Creative Commons: Attribution license.[/caption] Many years from now, at the...

Yesterday, on August 21, Americans living within the “umbral cone” had a ring side seat to the latest total solar eclipse visible from the U.S. for the first time in 26 years. As you know,...