In the mid-20th century, community spaces like swimming pools and sporting events became a source of anxiety for parents who were frightened by the rampant spread of poliovirus. Their concerns weren’t ...

We are serializing ‘Peek into the Startup Notebook,’ which will serve as a model for those dreaming of starting a business with their own ideas. This article contains advertising content. The most ...

Add Yahoo as a preferred source to see more of our stories on Google. The iron lung, conceptualized in the late 1920s, was most notably the first line of defense against polio during the epidemics ...