Brief, but informative article from @sciam about world's ten worst toxic pollution problems: http://t.co/Vay2EEej

Lightroom vs. Bridge or camera raw? Scott K and Matt K at #NAPP give 100 reasons to switch: http://bit.ly/inf221

Using Favorites and RSS feeds to find great info. One Simple tip that will put Twitter on steroids for you: http://bit.ly/fn79kA

Pets or children - which is least selfish? Does it depend primarily upon circumstances? http://usat.ly/eAsBmG #pets #family

T Rex not as tough as we once thought: http://bit.ly/fagCQ4 #dinosaur #paleontology #science

If you have never watched auroras, or have wondered what they are like, ck out Tor Evan Mathison's magical time lapse: http://bit.ly/eNYCPL

Long and Short of Calcium and Vit D: http://www.nytimes.com/2011/01/25/health/25brody.html

Our brain makes visual assumptions for us all the time - ck out these illusions and how they are done: http://n.pr/hY3fg0 @nprnews

Minor or severe neuropathy, confusion, tiredness, forgetfullness may be caused by low Vitamin B12: http://on.wsj.com/gNvDcN #nutrition

Study says smoking causes damage within minutes because cancer-causing chems form quickly http://bbc.in/fuV5rM

Finally some good news in the health dept! Tiny breaks from sitting can whittle a tinier waist http://on.msnbc.com/fi2pcg