This just arrived from NASA, too late to be included in News so I'm posting it here. pw NASA Science News for May 30, 2007 This Thursday evening, May 31st, the moon over North America will become full for the second time in the month of May. According to folklore, that makes it a blue moon. But will it really be blue? Believe it or not, blue-colored moons are possible. Read today's story for a look at the folklore and physics of blue moons. FULL STORY at http://science.nasa.gov/headlines/y2007/30may_bluemoon.htm?list864576 Find out about the Science@NASA Podcast feed at http:// science.nasa.gov/podcast.htm.