Asthma is a respiratory condition that affects 3-8% of the general population, thus also divers or would-be divers. It is defined as an increased responsiveness to the lower airways to multiple stimuli.
In September 2019, off the coast of California, a fire aboard the MV Conception, a 23-meter (75-foot) scuba diving liveaboard, broke out during the night, killing 33 passengers and one crew member. The captain and four crew members barely escaped. After more than a year of speculations and rumors, the NTSB (the U.S. National Transportation Safety Board) published the results of its investigation and the U.S. Coast Guard issued a new policy on a few topics, including the charging of lithium-ion batteries aboard small vessels and liveaboards.
The paper presents the reasons why large predators of great ecological importance cannot supply the rising demand for shark fins, which is driven by profits that rival the drug trade and involves the fisheries of nations around the globe. They have essentially run out of fish so are targeting sharks now that the shark fin trade has made them valuable.
In one of the largest, most complex underwater archeological undertakings in Canadian history, Parks Canada and Inuit are working in collaboration to explore the wrecks of HMS Erebus and HMS Terror―the storied ships of the 1845 Franklin Expedition that set sail from England on a quest to find the sea route from the Atlantic Ocean to the Pacific through the Arctic Ocean―across what is now Canada's Arctic and Nunavut.
