Boing Boing - One month to go until the next total solar eclipse - July 22

http://www.boingboing.net/2009/06/21/one-month-to-go-unti.html

June 19, 240 B.C.: The Earth Is Round, and It's This Big

http://www.wired.com/science/discoveries/news/2008/06/dayintech_0619