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 ...
Cognitive scientists ran an experiment to understand how the brain searches for an object with a known shape. They asked subjects to track the. ... > 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?