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Economic Democracy Block4b v2: Performance Bonds

Welcome to Economic Democracy: The Cooperative Alternative, our MOOC about worker-owned and worker-controlled firms. We often hear that political democracy is the best available form of…

From  Nuria Fraile Diaz on November 9th, 2016 0 likes 8 plays 0  

Why does psoriasis sometimes look white?

Psoriasis is an inflammatory disorder, with a greatly increased blood flow to plaques. So why does is sometimes look white? Is there a 'white chromophore'? Or is there another explanation?

From  Jonathan Rees on June 15th, 2016 0 likes 59 plays 0