Science Friday 041009

Experiment Shows Molecules Can Walk, but Can They Dance? By HENRY FOUNTAIN, NYTimes
In efforts to create motors and other machines on the scale of molecules the devices have to walk before they can run.
A Soak Extracts DNA and Leaves an Old Bug Intact
Saturn’s Largest Moon Bulges in the Middle

Brain Researchers Open Door to Editing Memory By BENEDICT CAREY, NYTimes
An influx of money and talent into neuroscience has led to an experimental drug that could block certain memories.
Graphic: Focusing on a Memory Molecule

Three from BoingBoing.net

• Steam powered iPod generator
• HOWTO set up a molecular biology lab for less than $1000
• Sustainable Energy Without the Hot Air: the Freakonomics of conservation, climate and energy