In the decades-long battle against this devastating disease, this is one of the best pieces of news in a long time.

FORBES: Despite the Odds, Vaccinators Triumph Over Polio

Researchers can only use dead cells or pieces of a cell and can only test for one response at a time, such as enzyme activity or the binding of a compound to a receptor.

FORBES: Laser light shows

One brand, which could sell 1, 000 watches per year but struggles to complete 100 pieces in the same time, sends 80 of them to Japan.

WSJ: The Changing Face of Watchmaking