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Coral species from left to right: cauliflower coral (Pocillopora meandrina), lobe coral (Porites lobata), and finger coral (Porites compressa).
Key reef-building coral species from left to right: cauliflower coral (Pocillopora meandrina), lobe coral (Porites lobata), and finger coral (Porites compressa).

Palau’s Rock Islands harbour heat-resistant corals

Palau’s Rock Islands experience consistently higher temperatures and extreme heatwaves, yet their diverse coral communities bleach less than those on Palau’s cooler outer reefs.

Scientists studying reefs in Palau have identified genetic subgroups of a common coral species that exhibit remarkable tolerance to the extreme heat associated with marine heatwaves.

Announcing Emperor Divers 'Fantastic Friday' Sale

Get FREE equipment hire on Emperor Divers Indonesia liveaboards

Emperor Divers are hoping to make everyone’s January a little bit brighter with their series of Fantastic Friday offers.

To celebrate the start of 2023, Emperor’s winter ’23 in 23’ sale is already offering 23% off a selection of trips.

But, on top of those great deals, every Friday through the month they are adding a special extra to those guests booking certain holidays.

Guru Grand Prize Winner Jake Wilton, Australia
Guru Grand Prize Winner Jake Wilton, Australia: UW Characters – Whale shark engulfing baitfish during a rare bait ball feeding frenzy event on Ningaloo Reef, WA

2022 Underwater Tour Photo Competition winners announced

The event in 2022 marked the first time that the Underwater Tour Awards partnered with environmental education and action organisation Take 3, introducing a new category for novices called, The Take 3 for the Sea Contest. Proceeds from the contest registration fees and additional donations were given to Take 3.

Awakening the Past: Reimagining Kavieng's Ghosts of the Machines

Photogrammetry image of the wreck of a Nakajima “Kate” B5N fighter-bomber in Kavieng. Image by Sean Twomey
Photogrammetry image of the wreck of a Nakajima “Kate” B5N fighter-bomber in Kavieng, by Sean Twomey

There is a huge potential for wreck photogrammetry in Kavieng and the neighbouring large island of New Hanover in Papua New Guinea, for it is here that one can find several notable wrecks of WWII aircraft. Don Silcock shares his experience working with technical expert Sean Twomey in an initiative to capture photogrammetry imagery of the wrecks before they succumb to the ravages of time and eventually disappear.

New US law threatens dive operators

The liability requirement was included in the recently passed National Defense Authorization Act (NDAA). Lawmakers had been led to believe that Section 11503 of the NDAA was simply a “fix for the families who lost loved ones” in the tragic Conception Dive Boat fire of 2019, DEMA writes.

But the new law goes far beyond one tragedy—it lines the pockets of trial lawyers and does nothing to make sure dive boats are operating safely. 

Aircraft of the Imperial Airways refuelling at Semakh, October, 1931.
Aircraft of the Imperial Airways refuelling at Semakh, October, 1931.

Decarbonising aviation is possible

Who among us has not felt at least a twinge of guilt in booking a flight to a far-flung dive destination, knowing very well that the trip will add a significant contribution of CO2 and other greenhouse gases to the atmosphere? Being both a keen traveller and avid environmentalist, I surely have felt conflicted.

Cable-stayed bridge in Dublin, Ireland

Maya Train from Cancun to Tulum will have cable-stayed bridges

Tren Maya is a 1,525km (948mi) system of new and revitalized railways designed to connect Caribbean tourist resorts, such as Cancun, with cities, cultural sites and lesser-known destinations inland. The new rail system will pass through the states of Chiapas, Tabasco, Campeche, Yucatán and Quintana Roo—the main regions of the Yucatán Peninsula.

Bob Hollis in 2013

Bob Hollis has died

Over the course of his lifetime, Bob Hollis founded many companies including renowned scuba diving brands, Oceanic, Hollis, and Aeris as well as American Underwater Products, Pelagic Pressure Systems and ROMI Enterprises.  For several years he served on DEMA's executive committee.

Bob Hollis's accomplishments were many and varied. Over his extensive career, Bob received many awards, including the NOGI Award, and the DEMA Reaching Out Award, and he was inducted into the Scuba Diving Hall of Fame.

NAUI Announces the Passing of NSG CEO, Rick Lorimor

We have some very sad news to share: Rick “Ranger Rick” Lorimor, CEO of NAUI/NAUI Services Group since 2018 and a former NAUI Board Member, has unexpectedly passed away. Rick leaves behind his wife, Debbie; his son, Matthew; and two grandkids.

Ranger Rick discovered his love of diving while serving in the Army in 1976. He was passionate about diving, and was an incredible instructor, mentor and knowledgeable leader fully committed to NAUI and its mission.