Langevin estimated that nearly half of all Americans could benefit from embryonic stem- cell research.

FORBES: Stem-Cell Numbers Game

"We had to buy some bigger chairs and life jackets, " says Marc Langevin, the hotel's general manager.

WSJ: Luxury Hotels Use Celebrity Chefs, Pro Athletes to Perk Up the Usual Perks

The project began when Langevin was asked to create to a prosthetic hand for a commercial photo shoot.

CNN: Print your own life-size robot for under $1,000

On completion of each body part, Langevin shares the printer files and assembly instructions on his dedicated blog.

CNN: Print your own life-size robot for under $1,000

That work, by a group of researchers at the Institut Laue-Langevin (ILL) and published in a paper in Nature, used slow-moving neutrons falling due to gravity.

BBC: Neutrons could test Newton's gravity and string theory

Although he confesses to being a "coding novice, " Langevin taught himself how to use Arduino -- a very cheap and increasingly popular microcontroller -- so that he could get his prosthetic hand to move.

CNN: Print your own life-size robot for under $1,000

Like many of the numbers being tossed about in the stem-cell debate, this count is inflated by emotion: Langevin included all patients suffering from cancer, juvenile diabetes, heart disease and even arthritis as potential beneficiaries of the research.

FORBES: Magazine Article

France's Delegate Minister for Educational Achievement, Ms George Pau-Langevin underlined her country's commitment to quality education for all, and in particular to fight against school failure, which hits children from disadvantaged backgrounds hardest, also noting support for UNESCO's efforts globally.

UNESCO: EDUCATION FIRST