The Radar: Rome’s War on Chewing Gum, Condiments of the World, Staying Healthy While Flying

• On Tuesday, volunteers gathered in Rome to scrape chewing gum off the historic city’s cobblestone streets. Despite volunteers, it still costs the city 1 euro to remove a single wad of the sticky stuff. [Vagabondish]

• Get a taste of the world’s condiments and learn why they’re on the table. [Legal Nomads]

• A flight attendant shares her top 10 tips for staying healthy while traveling this holiday season. [Jaunted]

Got Radar? Follow us on Twitter @NatGeoTraveler and tag your favorite travel stories from the Web #ngtradar. Check back in the morning for our daily roundup.

Photo: Giacomo Ciangottini/My Shot