Interested in ad-free access?
If you'd like to read ScienceDaily without ads, let us know
Follow ScienceDaily on Facebook, Twitter,
Recommend ScienceDaily on Facebook, Twitter, and Google +1:
Other bookmarking and sharing tools:
In Other News ...
Astronomers say that Saturn's rings will disappear from view on Earth on September 4, 2009. The gases, ice, and rocky material that make up the rings. ... > full story
Get the latest science news with our free email newsletters, updated daily and weekly. Or view hourly updated newsfeeds in your RSS reader:
... we want to hear from you!
Tell us what you think of ScienceDaily -- we welcome both positive and negative comments. Have any problems using the site? Questions?