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Grey Reef Shark, Carcharhinus amblyrhynchos

Shark-counting divers become citizen scientists

Divers monitor reef shark numbers as accurately, and cheaper, than automated tracking tools, a study suggests.Shark populations are thought to be declining globally, but...
Divers Decompressing

Hole-in-the-heart closure reduces risk of decompression sickness in divers

Closing a hole in the heart (a pfo) reduces the risk of decompression sickness by eliminating bubbles in the arteries after a dive
Green Turtle

42,000 Turtles legally killed each year

Over 42,000 turtles are legally killed each year, 80% of them endangered green turtles (Chelonia mydas), a study suggests.British scientists investigated which countries allowed...
Southern Right Whale

Whale Watching from Space

But not by astronauts or space tourists. Scientists from the British Antarctic Survey are using satellite images to detect and count southern right whales...
Cuttlefish and Camouflage

Cuttlefish – Master of Camouflage

What makes the Cuttlefish so good at controlling its colour and blending in with its surroundings? This month scientists at Harvard University and the...
Shark feed - Tiger Shark

Shark Feeding Dives change Relative Abundances of Sharks

Shark feeding dives are increasing, yet are controversial. Shark tourism has great economic benefits, and can help shark conservation. What are the drawbacks?
Great white shark

Great White Sharks Live more than 70 Years

Great white sharks may be among the longest-lived fishes. New study finds the shark can live over three times longer than previously estimated, which may mean it is even more vulnerable than thought.
starfish, Pisaster ochraceus

Mysterious disease creates Zombie Starfish

Sick and dying starfish (sea stars) have appeared in a multitude of locations between Alaska and southern California."It's like a zombie wasteland," says...
Handshake ocean-floor fault found

Deep-Sea Study reveals cause of 2011 Tsunami

The devastating tsunami that struck Japan’s Tohoku region in March 2011 was touched off by a submarine earthquake far more massive than anything geologists...

New Sensor Monitors Ocean Acidification

Scientists and engineers have achieved the first step in developing a cost-effective micro sensor for long-term monitoring of ocean acidification.The new technology, that will...