Nurse Shark: nice sense of smell

Scientists have demonstrated that sharks are capable of attending to multiple sensory cues simultaneously.

Sharks use all of their senses when hunting for prey, according to a study led by researchers of the Mote Marine Laboratory, University of South Florida and Boston University.

Switching sensory modalities in a hierarchical fashion as they approach their prey, and substituting alternate sensory cues, when necessary, to accomplish behavioral tasks.

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Kits Beach: learning with marine debris

Hundreds of Vancouverites will participate in the biggest beach cleanup of the season at Kits Beach, Canada, on the 12th April, at 11am.

The public event run by Surfrider Foundation Vancouver and SPEC offers participants a chance to see the impacts of tsunami debris and local waste on our oceans, during the Earth Month.

"Even on a local beach that's cleaned weekly by the city, we find large amounts of trash from both beachgoers and what is washed up by the ocean. Our research shows that the biggest culprits in Vancouver tend to be cigarette butts and to-go containers," explains Matthew Unger, from Surfrider.

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Blue Dunes: is this the end of surfing in New Jersey and New York?

The Stevens Institute of Technology has proposed the construction of a string of artificial islands off the coast of New Jersey and New York to protect the shoreline from swells and storms.

The "Blue Dunes" is part of Rebuild By Design, a competition sponsored by the US Department of Housing and Urban Development to develop fundable solutions to better protect residents from future climate events.

It is one of 10 projects that will be evaluated and voted, although there's no guarantee any of them will receive funding.

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