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Phytoplankton perform photosynthesis, bloom beneath Arctic sea ice

Phytoplankton perform photosynthesis, bloom beneath Arctic sea ice

Science
Nov. 19 (UPI) -- Phytoplankton, tiny single-celled algae, anchor marine food webs throughout Earth's oceans. Now, new research suggests the tiny free-floating microorganisms play a central role in the functioning Arctic marine ecosystem. For decades, scientists assumed phytoplankton in the Arctic go dormant during the winter and early spring, proliferating only after Arctic sea ice begins to recede during the summer. Advertisement But a new review of the scientific literature on the subject -- published Thursday in the journal Frontiers in Marine Science -- suggests phytoplankton continue to perform photosynthesis and bloom beneath Arctic sea ice. "There was a long-standing assumption that what was happening under the sea ice in the water column was almost 'on pause' during the polar nigh...
Katy Perry music video reveals she’s having a baby with Orlando Bloom

Katy Perry music video reveals she’s having a baby with Orlando Bloom

Entertainment
Pop superstar Katy Perry has revealed that she and her fiancée Orlando Bloom are expecting their first child.The star announced her pregnancy in the video for her latest song, Never Worn White, revealing a baby bump in the final frames of the four-minute clip."OMG, so glad I don't have to suck it in anymore," she tweeted after the reveal, "or carry around a big purse".Perry, who was previously married to Russell Brand, has been dating Bloom since 2016. Katy Perry and Orlando Bloom 'engaged' Katy Perry crowdsurfs at Glastonbury In an Instagram story, Perry told fans the couple were "excited" and "happy", and that the child was due around the same time as her sixth album."There's a lot that will be happening this summer," she said.
Sargassum: The biggest seaweed bloom in the world

Sargassum: The biggest seaweed bloom in the world

Science
A floating mass of seaweed stretching from West Africa to the Gulf of Mexico is now the biggest seaweed bloom in the world, according to satellite observations.The algal explosion in the Atlantic Ocean and Caribbean Sea could signify a new normal, say US scientists.Deforestation and fertiliser use are among the factors thought to be driving the growth.The seaweed has inundated beaches, causing an environmental nuisance.As of June 2018, the Great Atlantic Sargassum Belt, as scientists call it, extended 8,850km (5,500 miles) and was made up of over 20 million tonnes of biomass."The ocean's chemistry must have changed in order for the blooms to get so out of hand," said Dr Chuanmin Hu of the University of South Florida College of Ma...
Google 'stole my videos', says film-maker Philip Bloom

Google 'stole my videos', says film-maker Philip Bloom

Technology
Google has enraged a leading film-maker by using his footage in a corporate video that later leaked online.The technology company used material from more than half a dozen of Philip Bloom's films to make a provocative presentation about ways it could exploit users' data in the future.Mr Bloom makes a living from selling rights to his footage, among other activities.Google insisted that it took copyright law seriously.It said that the "thought-experiment" video had been intended to be seen by only a handful of people. It was made in 2016 by the head of design at X, Google's research and development division.Google added that the executive had now been reminded about its strict copyright rules. ...
Satellite spots springtime phytoplankton bloom off New Zealand coast

Satellite spots springtime phytoplankton bloom off New Zealand coast

Science
Nov. 15 (UPI) -- Phytoplankton are proliferating along the coast of New Zealand's South Island. The bloom was photographed this week by the camera on NASA's Aqua satellite. The space agency shared the image on Wednesday.While temperatures drop and days lengthen on the north half of Earth to the equator, the Southern Hemisphere is awakening to spring. The warming temperatures and increased sunlight can fuel phytoplankton blooms.Phytoplankton serve as the vital base for all marine food chains. But phytoplankton communities are being affected by climate change, and many scientists are concerned the shifts could disrupt ocean ecosystems.Recent tests proved single-celled algae are significantly affected by changes to temperature and CO2 levels.Another study showed different types of algae could...