1.) High-Low Tech's "Living Wall" is interactive wallpaper made of paint, paper and sensors.
2.) Design firm Dowling Duncan completely redesigns U.S. currency, including an "Obama Dollar." (Sorry, George.)
3.) A smarter way to run a museum: watch and learn how visitors interact with exhibits.
4.) Why pharmaceutical giant Johnson and Johnson's headache won't go away.
5.) National Geographic shows us how much fresh water we use every day.
This post was originally published on Smartplanet.com