New stuff
Blue penguin

Dive Site: Shelly Beach, Sydney, Australia

Among the location’s residents are wobbegong sharks, Port Jackson sharks, and blue-ringed octopus, the latter typically seen in the center of the little cove that is formed by the rocks shielding the beach from the rest of the peninsula.
by Thomas Gronfeldt
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10 Amazing Facts About Our Oceans

A quick reminder of insanely cool the ocean is. And how important it is to save it.
by Nadia Aly
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7 Ways to Protect Coral Reefs While Diving

Divers may not realize the severe long-term impact they can have on reefs. A little bump may cause coral to break taking decades to grow back and exposing the remaining reef to disease.
by Nadia Aly
Turtle and coral

Dive Site: Marsa Mubarak, Egypt

Hiding in the sea grass just offshore are this site's real attractions: the local population of green sea turtles and the resident dugong, nicknamed Dennis.
by Thomas Gronfeldt