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Editor's note
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About 15 miles before it hits the Irish Sea, the River Mersey flows into a large, banana-shaped estuary with huge mudflats and some of the UK’s largest tides. Then, as it approaches Liverpool, the river narrows again as it squeezes between the city centre and Birkenhead and pours into the ocean. Researchers at the University of Liverpool say this combination of strong tides, a tight bottleneck, and lots of people nearby, means the Mersey is ideally placed for a “tidal barrage” power station, which would turn the tides into electricity.
In theory, the project would power 300,000 or more homes, and a £3.5 billion proposal now has backing from the Labour party and the city’s mayor.
Yet there are problems. Those mudflats are home to lots of interesting birds, for one thing, and it’s hard to predict what messing with the tides will to do local wildlife. And who will pay for it? The government recently cancelled a similar project in Swansea Bay, after all. Amani Becker looks at the prospects for a huge tidal barrage on the River Mersey.
Meanwhile, researchers say they have found signs of happiness in chickens. And if you’ve got that one Facebook friend who really really wants you to know the truth about vaccines, or why climate scientists are frauds, then read this.
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Will de Freitas
Environment + Energy Editor
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Top stories
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tony mills / shutterstock
Amani Eva Becker, University of Liverpool
A proposed 'tidal barrage' could exploit the Mersey Estuary's strong tides and narrow mouth.
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Hurricanehank/Shutterstock
Mary Baxter, Queen's University Belfast
Understanding happiness in chickens could tell us how to improve their housing.
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One photo/Shutterstock
Santosh Vijaykumar, Northumbria University, Newcastle
New evidence suggests most YouTube videos on climate change deny its existence.
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Health + Medicine
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Tim Collins, Manchester Metropolitan University; Sandra Woolley, Keele University
People with darker skin tones get less reliable readings from fitness trackers.
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Claudia Carr, University of Hertfordshire; Silvana Mengoni, University of Hertfordshire
Three-quarters of people with an intellectual disability receive prescribed drugs.
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Michael Gradisar, Flinders University; Rachel Hiller, University of Bath
It's not just babies who have trouble sleeping.
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Science + Technology
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Peter Ellis, University of Kent
How and why animals develop as male or female is far more complex than we ever imagined.
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Kate C. Tilleczek, York University, Canada
Researchers examined how youth on three continents think about digital technology today and conducted an experiment to learn what youth said after living without their phones for a week.
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Joel D. Irish, Liverpool John Moores University; Czekaj- Zastawny Agnieszka, Polish Academy of Sciences; Jacek Kabacinski, Polish Academy of Sciences
Stone Age Egyptians were surprisingly sophisticated, showing great respect for their dead.
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Arts + Culture
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Natalia Nowakowska, University of Oxford
180 years before Love Island, Chopin and Sands travelled to Mallorca to pursue their romance.
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Business + Economy
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Pete Hodson, Queen's University Belfast
Urgent intervention is needed to secure H&W – and other strategic UK industrial assets – before key skills and capacity are irretrievably lost.
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Politics + Society
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Lisa Scullion, University of Salford
Spare a thought for Britain’s veterans navigating the minefield that is the UK’s benefits system.
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Featured events
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