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Rebreather Forum 3, RF3, rebreather checklists, Human Factors in SCUBA diving, Rosemary E Lunn, Roz Lunn, The Underwater Marketing Company
A PADI 'Type R' Rebreather Checklist spotted at Divetech's Inner Space rebreather event

Rebreather Checklist Survey!

 

The discussions included how often checklists are used (if at all), and how effective are they (when they are used).

To date, there has not been any formal studies undertaken to determine checklist use within the community. Now a PhD research project - primarily examining the role of Human Factors in SCUBA diving - is looking at checklist usage.

Common littoral crab (Carcinus maenas)

Crab shell compound makes wounds heal faster

In ancient China crabs were smashed open and thrust into wounds in battles because chitosan is antimicrobial, meaning it heals and kills bacteria.

Chitosan's properties allow it to rapidly clot blood and promote hemostasis (stops bleeding). Chitosan bonds with platelets and red blood cells to form a gel-like clot which seals a bleeding vessel.

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GUE Divers Welcomed By BSAC

Leading personnel from the British Sub Aqua Club and Global Underwater Explorers have confirmed a review has been completed on how to integrate GUE divers into BSAC branches.

The useful discussions centred around reinforcing common training features and identifying any mismatches that might cause inconsistencies on branch dives between GUE and BSAC-trained divers.

Tiger shark embryos in the uterus
Tiger shark pups in the uterus, lying perpendicular to the mother's body.

New Strategy for Embryo Nourishment Found in the Tiger Shark

Drs. José I Castro, Keiichi Sato, and Ashby B. Bodine, have discovered a new method of embryonic nourishment in sharks. The tiger shark secretes a nutritive liquid which fills the egg sacs where the embryos are growing, permitting higher numbers of offspring to attain a large size. Their paper, entitled "A novel mode of embryonic nutrition in the tiger shark, (Galeocerdo cuvier)," has just been published in the journal Marine Biology Research.