Corals: don't buy them, protect them | Still: Daniel Stoupin

Daniel Stoupin, a marine biologist, has captured breathtaking time-lapse footage of corals and sponges, as they look for food.

The corals and sponges were filmed under high magnification. They move very slowly, so the PhD student from the University of Queensland used the time-lapse photo technique.

The details, the colors, the patterns, the forms are part of 150,000 shots the researcher had to collect during nine months, in order to produce these incredible animated photos.

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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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