News of the day : 30 September 2014

UC Berkeley offers open online course on the science of happiness: http://bit.ly/1uS3XnR
Video categories
(English, if no video in requested language)
Two street artists create art out of silos in Vancouver
A homeless man learning to code is finishing his first app.
Standing on strangers’ shoulders
Positive Money proposes three solutions to fix the economy.
The world's first nonprofit pub !
Prodigy from Sierra Leone Builds Battery
1$ fire extinguisher can save lives in poor areas
World’s 1st 3D printed bone surgery
The first unstealable bike is here

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