The SeaOrbiter project will wander the oceans for science.

Puerto Rico protects leatherback hatching grounds.

Troy Bodden is working to keep Utila a natural paradise by improving the lives of its residents.

An across-the- board favorite among test divers, the Seawing Nova earned more favorite votes than any fin in this review, making it a bona fide Testers’ Choice in its own category.

Test divers loved this new kicker. It took the top spot on their Favorites list, earning it the Testers’ Choice for this category.

The Accel is an impressive performer, good for both local diving and travel. It’s also priced right, making it this year’s Best Buy for this category.

For fans of a stiffer fin that throttles like a Formula One race car, the Avanti Quattro + is a showstopper — and this year’s Testers’ Choice in the Paddle Fin category.

The Stratos ADJ is marketed as an entry-level fin, but vets will appreciate its performance. For comfort, solid kicking chops and budget price, it earned the Best Buy for this category.

Seacology plants a kindergarten for coral in the middle of a blossoming Raja Ampat no-take zone.