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This month's discoveries came after weeks of searching by crew members based on the research vessel Petrel. The vessel is owned by Vulcan Inc, a company created by the late Microsoft co-founder Paul Allen.

One ship, the Kaga, was discovered last week, while wreckage from another carrier, Akagi, was found on Sunday, Vulcan Inc. said in a press release.

"Every shipwreck we find reminds us all of the ultimate sacrifice made by those who served their countries," said Robert Kraft, Vulcan Inc.'s director of undersea operations, in a press release. "Our team is truly honored to have discovered the Japanese Flagship Carrier, Akagi."

A report on social media stated that the 55-year-old diver was ascending from a 91.5m (300ft) solo rebreather dive in Bonaire, and was found unresponsive on the reef at 24m (80ft) with the loop out of her mouth. (It is not known whether she had planned to dive to that depth or not). She was brought to the surface and medivaced. She did not regain consciousness. It is thought that all of her equipment was recovered. Her Inspiration rebreather head has already been downloaded for analysis. At the time of writing this piece, it is not known what happened.

Scientists from the Field Museum in Chicago, USA recently discovered that Pacific warty octopuses don’t all have the same appearance, nor do they all live at the same ocean depth.

Their findings, which was published in the Bulletin of Marine Science, indicated that the bumpier the octopus’ skin was, the deeper in the ocean they would be found.

In their research, the team examined 50 Pacific warty octopuses from the Northeast Pacific Ocean, as well as specimens from the University of Miami Marine Laboratory and the California Academy of Sciences.

To successfully conserve and restore manatee populations, scientists need to know how many of them there are in a specific habitat. This isn’t always easy to find out, particularly in the Bocas del Toro province in Panama, where Antillean manatees live in turbid brackish waters, covered by thick aquatic vegetation.

Other methods, like aerial and sonar surveys, and infrared cameras, present logistical challenges and can be costly.

The British company specialises in liveaboard and resort-based scuba diving holidays and had bought flights from the World's oldest travel agent.

"Thomas Cook Group has been placed into administration.

Unfortunately, Blue O Two has a substantial number of customers affected by the collapse of the group, which includes Thomas Cook Airlines. Thomas Cook Airlines were due to be the supplier of the flight segment of travel on a large proportion of upcoming liveaboard holidays to the Red Sea.

He has had some O-ring charts drawn up to make it easier to identify JJ main and DSV kits. 

You can download the charts by visiting this link.

The Department of Justice confirmed in a press release that the 55-year-old Floridian "was arrested based on an indictment charging him with conspiracy to violate and attempted violation of the International Emergency Economic Powers Act (IEEPA) and the Export Administration Regulations (EAR), as well as smuggling of goods."