What is the Sardine Run in Mag Bay, Baja California Sur: marlin, whales, sea lions and dolphins hunting together. When to see it and how to experience it from the water.

Everything about the Mola Mola or ocean sunfish: what it is, how it lives, why it's so strange and where to dive with one. Crystal Bay in Nusa Penida, Bali is the best place in the world.

Coral is dying faster than we can document it. What bleaching is, why it happens and what you can do about it starting today — including adopting a coral through the BTO app.

Complete guide to managing and improving your air consumption in diving. SAC, rule of thirds, common mistakes and real exercises explained by an SSI Full Cave Diver instructor.

A real story of a regulator failure at 47 metres in cenote Yaakun, Playa del Carmen. Technical diving, sidemount trimix and why training changes everything.

Complete guide to improving your buoyancy in diving. Real techniques, common mistakes and practical exercises explained by an SSI Full Cave Diver instructor.

Complete guide to choosing your first underwater camera with no sponsored brands. GoPro, compact cameras, mirrorless, housings, budget and common mistakes — by a professional underwater photographer.

Complete guide to diving the cenotes of the Riviera Maya: Dos Ojos, Angelita, Nohoch Nah Chich and the reefs of Playa del Carmen and Cozumel. By a Full Cave Diver with real experience.

Guide to diving in La Paz, Baja California Sur. Sardine Run, sea lions, oceanic mantas, mobula rays, shipwrecks, and pelagic safaris in Mag Bay.