Centuries ago, the Bridge of Sighs, which connects the Doge's Palace ... consider tagging along on one of the best Venice tours. You'll find the bridge on the eastern edge of San Marco.

The Italian city draws an estimated 20 million visitors each year, with the vast majority sweeping in just for the day to catch a selfie with the Bridge of Sighs and then bounce. Venice has taken ...

Figure 1: Characterization of two activity patterns in vitro representing a fictive form of eupnea and sighs (augmented breaths). Figure 5: Stereotaxic maps of the distribution of rhythmic ...