Though dry land has its conveniences, mankind cannot help but look wistfully back to its aquatic origins remember that gills were a great place to store extra pats of butter. Embrace your watery heritage with today’s Groupon: for $15, you get a two-hour introduction to the world of scuba diving (a $50 value) at Bluewater Scuba in Franklin. The class, ideal for aspiring deep-sea gazers who aren’t ready to take the plunge into a certification course, teaches basic scuba skills in shallow water under the supervision of an instructor certified by the Professional Association of Diving Instructors (PADI). The expansive indoor, heated pool has been featured in a Brad Paisley video. All the basic equipment is included with this Groupon. All you need is a swimsuit, a towel, and a human-sea-cucumber translation dictionary. Discover Scuba sessions will be scheduled every weekend starting January 8th, and weeknight sessions can be scheduled if needed.