51May 5, 2018
Identifying decompression sickness (DCS) as a dive professional can be tough. Is a student diver tired because of working really hard during the course or is the diver’s fatigue a symptom of DCS from the last deep dive? The good news is that DCS is exceptionally rare in well-managed certification courses of all levels, and […]
52Apr 30, 2018
Every January, millions of people will resolve to workout more often, eat better, drink or smoke less. But there’s one new year’s resolution we hope everyone will make: reducing their use of disposable plastic. A recent report found: – Only 9 percent of plastic gets recycled – 12 percent is incinerated, and the rest ends […]
53Apr 28, 2018
As a conscious diver, you probably already know that oxybenzone found in many sunscreens bleach coral and kills larva at incredibly low concentrations – or if you missed that news, check out these reports from the United Nations, Vogue, UPI, DAN, or this article about the best natural sunscreens. What’s less well documented, but just as important to the health […]
54Apr 8, 2018
When is enough ENOUGH? I was diving in Bali at Manta Point off Nusa Penida today. This is supposed to be a magnificent dive site where the mantas and mola-mola congregate. Well, today was not that day. On the way out to the site from Sanur beach, we had to stop the boat 3 times […]
55Mar 31, 2018
Evidence shows that human activities, including overfishing, oil spills, pollution, and climate change are altering ocean environment beyond their natural state over the last few decades. According to numerous scientific studies, marine species are declining in many places, which impacts on the marine ecosystems and may lead to undesirable consequences for the biodiversity. We need […]
56Mar 25, 2018
In the wake of the mass coral bleaching events over the past few years, a new study has found that ocean acidification, caused by elevated levels of atmospheric carbon dioxide dissolving into the ocean, may have a detrimental impact on the ability of coral reefs to regenerate in the future. Mixed with water, CO2 forms […]
57Mar 10, 2018
So you’ve finished a dive. The water was crystal clear and the reef was teeming with marine life. Before you pack up to go home, you record the information from your dive in your logbook. After all, the dive is not officially over until you complete your dive log. Dive logs are a common sight […]
58Mar 2, 2018
They have patrolled our oceans for more than 400 million years, but, for the sake of a bowl of soup, the very existence of sharks is now under threat WORDS + PHOTOGRAPHS DOUGLAS DAVID SEIFERT Would you want to live in a world without sharks? Before emotion charges you with a knee-jerk response, it is essential […]
59Feb 25, 2018
By the Divers Alert Network www.danap.org It’s the most common diving injury, affecting more than half of all divers at some point. So how do you prevent and manage middle-ear barotrauma (MEBT)? Firstly, what is MEBT? Middle-ear barotrauma is the accumulation of fluid and blood in the middle ear or rupture of the eardrum as a […]
60Jan 28, 2018
In an ambitious step forward to reduce the amount of waste created by plastic bottles, UK Water has announced a scheme to introduce free refill stations across the country by 2021. More than 35 million plastic bottles are used every day in the UK alone, almost half of which are not recycled, with many finding […]