1. VIDEO:
TED TALKS "Ideas Worth Spreading"
http://en.wikipedia.org/wiki/TED_talks
                              OR
https://www.ted.com/talks/manu_prakash_a_50_cent_microscope_that_folds_like_origami?language=es

2. BIOGRAPHY:
Manu Prakash
ASSISTANT PROFESSOR OF BIOENGINEERING
https://med.stanford.edu/profiles/manu-prakash

3. DEFINITION: a foldscope
http://en.wikipedia.org/wiki/Foldscope

4. NEWSPAPER ARTICLE "Science Tools Anyone Can Afford" The New York Times (April 21, 2014)
http://www.nytimes.com/2014/04/22/science/science-tools-anyone-can-afford.html?_r=0