•Locating cod spawning grounds is critical to rebuilding stocks, and ‘torpedoes’ are helping scientists to find them.

 Sitting half-submerged in the ocean east of Scituate, the canary-yellow glider with swept-back wings looked like little more than someone’s errant model plane. Appearances can be deceiving, especially in this electronic age where more and more sophisticated technology is being loaded into ever smaller and sleeker packages. Read the rest here  19:23