Researchers from Spain, the United Kingdom, France, the Netherlands and the United States were involved in the project, which was conducted thanks to the support given by the Fundación BBVA.
Although there is no conclusive data of the impact of noise pollution on the disorientation and death of these animals, it has been widely accepted that the negative effects of noise have irreversible repercussions on their sense of hearing.
The purpose of this project is to carry out research into how noise from human activities affects cetacean populations and the marine environment in general. The results of the research will enable the team to develop and apply specific solutions that monitor human activity so that a balance can be achieved between human development and the conservation of marine mammals.
The only practicable system to date for measuring the hearing sensitivity of cetaceans was to take them to a laboratory. However, given the size of these animals and their precarious state of health when they are beached, this was a complex procedure and posed considerable risks to their survival. This project has made it possible to develop the first portable system for measuring the hearing sensitivity of cetaceans in situ. Thus, a diagnosis can be made of their loss of hearing, and in the case of beached animals, an assessment made of their chances of survival without having to move them.
The propagation of biological acoustic signals involved in echolocation is also a subject for study in the framework of this project. Special emphasis is placed on how animals detect their prey in noisy environments. The Laboratory of Applied Bioacoustics on the Vilanova i la Geltrú Campus is also working towards the goals of the project and is putting the final touches to a system that involves preventing the collision of cetaceans with fishing nets.
Rossy Laciana | alfa
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The formation of stars in distant galaxies is still largely unexplored. For the first time, astron-omers at the University of Geneva have now been able to closely observe a star system six billion light-years away. In doing so, they are confirming earlier simulations made by the University of Zurich. One special effect is made possible by the multiple reflections of images that run through the cosmos like a snake.
Today, astronomers have a pretty accurate idea of how stars were formed in the recent cosmic past. But do these laws also apply to older galaxies? For around a...
Just because someone is smart and well-motivated doesn't mean he or she can learn the visual skills needed to excel at tasks like matching fingerprints, interpreting medical X-rays, keeping track of aircraft on radar displays or forensic face matching.
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Computer Tomography (CT) is a standard procedure in hospitals, but so far, the technology has not been suitable for imaging extremely small objects. In PNAS, a team from the Technical University of Munich (TUM) describes a Nano-CT device that creates three-dimensional x-ray images at resolutions up to 100 nanometers. The first test application: Together with colleagues from the University of Kassel and Helmholtz-Zentrum Geesthacht the researchers analyzed the locomotory system of a velvet worm.
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The quantum world is fragile; error correction codes are needed to protect the information stored in a quantum object from the deteriorating effects of noise. Quantum physicists in Innsbruck have developed a protocol to pass quantum information between differently encoded building blocks of a future quantum computer, such as processors and memories. Scientists may use this protocol in the future to build a data bus for quantum computers. The researchers have published their work in the journal Nature Communications.
Future quantum computers will be able to solve problems where conventional computers fail today. We are still far away from any large-scale implementation,...
Pillared graphene would transfer heat better if the theoretical material had a few asymmetric junctions that caused wrinkles, according to Rice University...
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17.11.2017 | Studies and Analyses