Feature Channels: Marine Science

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Ancient fossils have shed new light on a type of sea worm linking it to the time of an evolutionary explosion that gave rise to modern animal life.

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Researchers have successfully split seawater without pre-treatment to produce green hydrogen. The international team was led by the University of Adelaide’s Professor Shizhang Qiao and Associate Professor Yao Zheng from the School of Chemical Engineering. “We have split natural seawater into oxygen and hydrogen with nearly 100 per cent efficiency, to produce green hydrogen by electrolysis, using a non-precious and cheap catalyst in a commercial electrolyser,” said Professor Qiao.

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RUDN University biologist with colleagues from Iran and Turkey found that malic acid can enhance the immunity of fish and strengthen their antioxidant status.

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RUDN University biologist with colleagues from Iran and Thailand discovered the negative consequences of nanotechnology. Manufactured nanoparticles that help us produce new products are toxic to fish.

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RUDN University biologist with colleagues from Brazil and Iran found how to alleviate the stress of fish during transportation. It turned out that this can be achieved with salted water.

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University biologist with colleagues from Iran discovered how to improve the health indicators of carp in fish farms. To do this, you need to mitigate the stress of the fish, which occurs due to too dense seating. Nanoselenium and garlic extract help with this.

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RUDN University biologist with colleagues from Iran, Italy and Thailand proved that it is possible to protect the immunity of rainbow trout and enhance its growth with the help of shallot extract.

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RUDN University biologists with colleagues from Iran proved the effectiveness of the biofloc water purification system in aquaculture under conditions of high stocking density.

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University biologist has shown that a combination of two beneficial bacteria in fish food increases their resistance to a dangerous pathogen. Such an additive will help to avoid the mass extinction of fish in fish farms.

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In a new study, University of Illinois researchers got into the minds of muskies to learn what personality traits make the fish more likely to strike. In the process, they learned valuable lessons that could help conserve the important aquatic predators.

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A recently published study showed that heatwaves reduced the biomass of phytoplankton in a boreal lake. Summertime heatwaves will become more frequent and stronger with climate change and can reduce the biomass of phytoplankton in stratified lakes.

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A new species of microalgae was found in water from a home aquarium. While analyzing DNA samples taken from the algae, researchers from the University of Tokyo discovered Medakamo hakoo, whose DNA sequence didn’t match any on record.

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Climate change researchers from the University of Delaware are among those in Antarctica conducting fieldwork on penguins, ocean currents and glaciers

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A University of Queensland-led study has shown that expanding global seaweed farming could go a long way to addressing the planet’s food security, biodiversity loss and climate change challenges.

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Nutrients from salmon carcasses can substantively alter the growth and reproduction of plant species in the surrounding habitat, and even cause some flowers to grow bigger and more plentiful, SFU researchers have found.

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In recent years, there have been increasing reports of toxic blue-green algae blooms in summer, even in German lakes, caused by climate warming and increased nutrient inputs.

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Scientists, led by University of Bristol, have been studying a fish sensory organ to understand cues for collective behaviour which could be employed on underwater robots.