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The onset of pain in my left ear was sudden and excruciating. I knew something was wrong, so I gripped the anchor line and stopped ascending. My buddy saw me stop, and I communicated via hand signals that something was not right with my ear and that I needed to pause our ascent.
The U.S. Food and Drug Administration (FDA) classifies oxygen as a drug when provided to an injured or ill person. It requires specific labeling and product controls and must be individually prescribed to someone suffering from an ailment. When used incorrectly, oxygen can cause damage to someone’s health.
Swimmer’s ear (otitis externa) is an infection of the external auditory canal that frequently occurs in divers and swimmers.
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Most blackwater divers agree it only takes one good dive to hook you. The idea of jumping off a boat at night, miles from shore, with only a few lights to guide your way might sound terrifying, but the experience is unlike anything our imaginations could conjure.
In 1992 I received a call from Graeme Ferguson, a co-founder of IMAX Corporation, that changed the course of my career.
Sometimes the tiniest critters can pack the greatest punch. Phytoplankton, which are unicellular microalgae, can cause mass mortalities of animals such as dolphins and manatees and be the source of serious human illness.
Many divers seek interactions with sharks, but others actively seek to avoid them. As long as sharks are in the water, people will look for ways to reduce the lethality of a shark bite or decrease encounters altogether.
I’m 14 years old and a newly certified scuba diver. I’ve heard that many years ago divers got certified because of Jacques Cousteau or an old TV show called Sea Hunt, but those were way before my time.
Smalltooth sawfish are critically endangered, making them exceedingly rare to encounter on dives in Florida. Some scientists believe sawfish face the greatest extinction risk of any family of marine animals.
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