Beans will be turned into chocolate on Tcho's elaborate production line, which is being used as a test-bed for remote video-monitoring of industrial processes by researchers at Fuji Xerox in Palo Alto.

ECONOMIST: A start-up innovates in an unexpected field

Like the lab-on-a-chip that allows people in remote parts of the world to test for HIV and syphilis, OraQuick can save lives by giving people hesitant to go to the clinic a test they can perform relatively easily and in the privacy of their own homes.

FORBES: FDA Approves First At-Home HIV Test