New research and developments, in depth.
HIDDEN IN THE BLACK SEA FOR MORE THAN 2,400 YEARS, an ancient Greek shipwreck sits tantalizingly intact, awaiting visitors – one mile below the surface. It’s the ultimate wreck dive nobody will do except with ROV’s or manned submersibles. The 75 ft-/23 m-long ship, believed to be a trading vessel dating from about 400 B.C., sits on the bottom tilted towards its starboard side, with its mast still erect, its rowing benches in place, its
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MANTA RAYS ARE FOUND IN OCEANS WORLDWIDE, BUT MANTA RAY JUVENILES ARE RARELY SEEN. Except, it develops, in the newly recognized manta ray nursery in the Gulf of Mexico’s Flower Garden Banks National Marine Sanctuary. When visiting manta specialist Josh Stewart told Flower Gardens staff he had spotted only the second juvenile he had ever seen, their response was: they see them all the time. Apparently, they assumed the smaller mantas were a different species
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A NEWLY DISCOVERED CORAL REEF off the U.S.’s mid-Atlantic coast stretches for some 85 miles, dense with stony Lophelia pertusa, a branching deep-sea, cold-water coral. A half-mile below the ocean surface, the “new” reef has “mountains” of coral, according to researchers. It’s situated about 160 miles off Charleston, S.C. DEEP SEARCH – A VOYAGE OF DISCOVERY The newly discovered coral reef was identified by scientists from the National Oceanic and Atmospheric Administration and other agencies as
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GIVING THE PARTY DRUG ECSTASY TO OCTOPUSES may sound like a joke from a slacker movie. Some news stories about the research have taken a humorous tack, talking about how octopuses on Ecstasy become huggy. But, in fact, the study has a serious goal and may result in improved understanding of evolution and treatment of human afflictions like post-traumatic stress disorder. IT’S ABOUT THE GENES Johns Hopkins University’s Gül Dölen and Marine Biological Laboratory’s Eric
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APPARENTLY IT TAKES TIME TO GROW TO BE THE WORLD’S BIGGEST FISH. A new study of whale shark size and age has indicated that gargantuan fishes can live to the ripe old age of 130 years. Marine biologists at the U.K.-based Maldives Whale Shark Research Programme and Florida’s Nova Southeastern University analyzed a decade’s worth of repetitive, non-invasive underwater measurements of whale sharks in the Maldives to understand whale shark age and growth details. Previous
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HERE’S A REMARKABLE PHOTO OF A SHARK PUP HATCHING, published in the terrific science magazine bioGraphic. It’s a small spotted catshark (Scyliorhinus canicula), caught just after its emergence from its egg casing. That’s its name – small spotted catshark – but the little shark has other common names, including lesser spotted dogfish. Recreational diver are not so likely to see one. S. canicula is a bottom-dweller at depths from 30 to 300 feet/10 to 300
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A NEWLY PUBLISHED STUDY ON THE LINK BETWEEN RATS AND REEFS has found a substantial link to the health of the coral reefs in the waters around the islands. The reason: Seabird poop on land is good for a broad range of reef denizens underwater. And the rats kill off seabirds, whose guano provides nutrients that enhance the reef’s health. An international team of scientists studied the ecosystems of rat-infested and rat-free islands in the Chagos
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IN CASE YOU EVER WANT TO ASK A PENGUIN FOR A DATE, researchers studying Galapagos penguins have found an easy way to tell males from females: Penguin gender can be judged by the fact that males have bigger beaks than females. I’m not sure what practical use this information has for most of us but it’s important for scientists doing field research on the little guys. And, it gives me a chance to post one
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STARBUCKS HAS JOINED THE LIST OF PLACES AND COMPANIES to announce plans to eliminate plastic straws in its businesses. With some 28,000 stores, the coffee seller is the largest corporation to take the step, a move pushed by activists to decrease the amount of plastic waste in the environment, especially in the oceans. The company says the plan to eliminate plastic straws by 2020 will will mean one billion less straw in circulation. PLASTIC STRAWS NO, LIDS
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SEATTLE HAS JOINED THE LIST OF CITIES, COUNTRIES AND CORPORATIONS ON PLANET EARTH TO ADOPT A PLASTIC STRAW BAN. The measure, which went into effect July 1, bans straws and plastic utensils in bars and restaurants. The move is a step forward in the worldwide campaign to cut down on the amount of plastics entering the environment, especially the world’s oceans. It’s estimated that Americans use 500 million plastic straws every day. Many of them make their way
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