![](http://photos1.blogger.com/blogger/6095/1903/320/monalisa.jpg)
Canadian scientists used laser and infrared scans to produce a 3D image of the painting.
This allowed details beneath layers of paint to be seen - including a gauzy dress then associated with pregnant or new mothers."
(credit: BBC)
"An idea can turn to dust or magic, depending on the talent that rubs against it" Bill Bernbach