The idea of listening to a baby from another room feels normal now, but it started in a very different time. Early baby monitors were simple devices built with radio parts and a lot of trial and error ...

(CNN) -- At least 13 infants died in the past dozen years while lying in a Fisher-Price Infant-to-Toddler Rocker or Newborn-to-Toddler Rocker, the US Consumer Product Safety Commission and ...