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Last July, David Trotter, a shipwreck hunter who had spent 30 years searching for a century-old ship, and a team of divers finally located the missing vessel: a 436-foot steamship named Hydrus, which sunk during the Great Lakes Storm of 1913.

The ship, carrying a load of iron ore, was headed for the shelter of the St. Clair River off of Lake Huron when a terrible blizzard struck the region. During the storm, which struck in early November, more than 19 ships were lost and 250 sailors died, reported Garret Ellison for The Grand Rapids Press.

Ocean acidification affects biological processes in a wide range of marine taxa.

A new study, published in Research and Reports in Biodiversity Studies, notes that in the tropics, coral reefs face a host of interconnected problems (bleaching, corrosion, disease, spreading seaweed, invasive species) that are all caused by rising CO₂ levels.

incompetent or complicit Egyptian security was probably involved in the Oct. 31 crash of a Russian passenger jet in Egypt’s Sinai Peninsula, British Foreign Secretary Philip Hammond said on Tuesday.

As authorities investigate whether a bomb could have been smuggled aboard Metrojet Flight 9268, CNN has seen private security personnel in Sharm el-Sheikh, Egypt, using handheld bomb detectors that British officials and security experts say just don't work.

In a study published recently, scientists from UH Mānoa and the University of Tokyo revealed that two species of deep-sea sharks, sixgill and prickly sharks, are positively buoyant – they have to work harder to swim downward than up, and they can glide uphill for minutes at a time without using their tails.

For the first time, Canadian researchers have tracked an adult female eel from Nova Scotia to the northern edge of the Sargasso Sea with a satellite tracker, a 45-day journey of 2,400 kilometres. For a century, scientists have been baffled as to how baby eels appear in the Sargasso Sea near Bermuda when adults have only been found in faraway places like Canada's St. Lawrence River.

An international scientific expedition in Mexico's Gulf of California has spotted up to 25 critically endangered vaquita marina, the world's smallest porpoise. The sightings occurred during the first 20 days of the Vaquita Expedition 2015, which commenced on September 26th. However, scientists caution that some individuals may have been counted more than once.

The tiny Pacific nation of Palau has approved the establishment of a marine sanctuary twice the size of Mexico. Conservationists said the 500,000 sq. km sanctuary would be the world’s sixth-largest fully protected area. The move follows a series of announcements on new marine parks, by Chile, New Zealand and the UK, to protect vast swaths of oceans from overfishing.

In pairs of coral reef rabbitfishes (f. Siganidae), one fish frequently assumes an upright vigilance position in the water column, while the partner forages in small crevices in the reef substratum. Both behaviours are strongly coordinated and partners regularly alternate their positions, resulting in a balanced distribution of foraging activity.

Are Marine Protected Areas (MPAs) meeting their ecological goals? Marine scientists from the Partnership for Interdisciplinary Studies of Coastal Oceans (PISCO) monitoring the rocky reef and kelp forest communities in California state waters around the northern Channel Islands off the coast of Santa Barbara finds positive results. Their study represents one of the first opportunities marine biologists have had to examine a network of MPAs, rather than a single location.

 

They exhibited no signs of having been beached. Instead, they swam around and frolicked amongst themselves. "You can even see some of he bigger orcas swimming alongside the calves as if they're showing them what to do," said an employee of a nearby business.

Although unusual, this behaviour was normal.

Originally believed to be a minke whale, a postmortem revealed it to be a fin whale. It was the fifth fin whale to be stranded in the county for the last 25 years.

Scars on its 10.7m (36ft) body brought forward the possibility that the whale might have been struck by a ship's propeller, but this has not yet been confirmed. A spokesman from the Coastguard said that the propeller wounds were probably caused by a collision with a ship after it died.

Instead, he offered another possibility: "It probably died of contamination after eating a plastic bag or something similar."