Cardiac arrest is a sudden stop in effective blood flow due to the failure of the heart to contract effectively. Symptoms include loss of consciousness and abnormal or absent breathing. Some people may have chest pain, shortness of breath, or nausea before this occurs.
Hayman Great Barrier Reef. Australasiaâs most exclusive private island resort â the five-star Hayman Great Barrier Reef, situated just offshore from Queensland, Australia â is poised to reopen next month following temporary closure for property restoration.
The 2,300-kilometer (1,430-mile) Great Barrier Reef, off the coast of Queensland in northeastern Australia, is a natural wonder. It is home to a quarter of all species that exist in the world's oceans. In 1981, it became the first ocean region to be declared a UNESCO World Heritage site.ustralian scientists have calculated that the Great Barrier Reef, the earth's largest living organism, has lost half of its coral in the last 27 years, and coral death is only accelerating. One reason is that Australia feels the effects of climate change earlier and more strongly than elsewhere.