Science news

• Simple but effective: Spontaneous synthesis of homogenous polymer networks

  07-09-2018 17:05
  Researchers have developed a spontaneous polymer network synthesis that allowed for the preparation of gels containing narrow molecular weight distribution polymers. The gel networks showed swelling properties that were responsive to temperature and solvent concentration. The reported process demonstrates the potential for facile preparation of high quality materials that exhibit the full range of polymer gel properties, including sustained release, stimuli responsiveness, and molecular sieving,
  
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• The protein denitrosylase SCoR2 regulates lipogenesis and fat storage | Science Signaling

  23-12-2025 15:01 via science.org
  
  Removal of SNO groups from hepatocyte and adipocyte proteins induces lipid synthesis and weight gain.
  
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• The mechanosensitive channel TRPV4 inhibits pulmonary inflammation by limiting NF-κB signaling in alveolar macrophages | Science Signaling

  23-12-2025 15:01 via science.org
  
  TRPV4 limits lung inflammation by sequestering the NF-κB subunit p65 at the endoplasmic reticulum.
  
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• Shigella mixes and matches host proteins | Science Signaling

  23-12-2025 15:01 via science.org
  
  A bacterial virulence factor subverts host cell apoptosis by acting as a protein recombinase.
  
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• Retraction | Science Signaling

  23-12-2025 15:01 via science.org
  
  On 9 May 2017, Science Signaling published the Research Article “The amyloid-β oligomer Aβ*56 induces specific alterations in neuronal signaling that lead to tau phosphorylation and aggregation” by F. Amar et al. (1). On 21 June 2022, upon being made aware of allegations of data manipulation regarding Figs. 1A, 3A, and 6G and figs. S9D and S12A, which were being investigated, we published an Editorial Expression of Concern to make readers aware of these allegations while we
  
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• Cancer-associated fibroblasts confer ALK inhibitor resistance in EML4-ALK–driven lung cancer by concurrent integrin and MET signaling | Science Signaling

  23-12-2025 15:01 via science.org
  
  Secretory and cell-contact signaling from tumor stromal fibroblasts drive drug resistance in lung cancer.
  
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• Scientist says we’ve got whale song all wrong

  22-12-2025 21:15 via cbc.ca
  In a new book called Why Whales Sing, Eduardo Mercado details his life's work to try and understand what whale songs are all about.
  
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• Hen cages and pig farrowing crates face ban

  22-12-2025 14:06 via bbc.com
  The government says its animal welfare strategy will bring "the biggest reforms in a generation".
  
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• 'Year of octopus' declared after warmer seas lead to record UK numbers

  22-12-2025 13:49 via bbc.com
  The Wildlife Trusts say its is 'flabbergasted' by the sighting of the highest number of octopuses since 1950
  
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• 'New reservoirs will help address water shortage'

  22-12-2025 06:28 via bbc.com
  Water company says it needs two new reservoirs and a recycling plant to cope with demand in Suffolk.
  
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• Trail hunting to be banned as part of new animal welfare strategy

  21-12-2025 16:56 via bbc.com
  The government says the practice is being used as a "smokescreen" for the hunting of wild animals.
  
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• How the beaver is teaching Indigenous communities about ecological balance and reciprocity

  20-12-2025 13:00 via cbc.ca
  The wise hardworking beaver is considered a keystone species. Found in every province and territory, beavers balance ecosystems with their industrious dams. They also have a special place in many Indigenous cultures.
  
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• Canada promised new parks and nature protection. Has that shifted with Carney in power?

  20-12-2025 10:00 via cbc.ca
  Now, environmental groups and others are concerned that the apparent pivot from the Carney government will reverse years of progress made on nature conservation. Among the initiatives now facing uncertainty: new national parks and protected areas, as well as federal support for the Indigenous guardians program.
  
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• 2 moose removed from Calgary suburb after kicking dog in backyard

  19-12-2025 15:00 via cbc.ca
  Two young moose have been removed from the northwest Calgary community of Arbour Lake after a run-in with a dog that resulted in minor injuries for the pet.
  
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• Avian flu hit Ontario turkey farms hard. Is it still safe to eat for your holiday meal?

  19-12-2025 11:00 via cbc.ca
  Some London-area butchers say the availability of holiday turkeys is unchanged, despite an ongoing avian influenza outbreak in Ontario that's seen tens of thousands of birds culled.
  
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• Frustration grows in Niagara Falls, Ont., with no clear progress on fate of Marineland and belugas

  19-12-2025 10:00 via cbc.ca
  Nearly two months after Ottawa denied Marineland's request to export its whales, residents in Niagara Falls, Ont., continue to wait for news on the future of the shuttered theme park's property and dozens of animals, including up to 30 belugas and four dolphins. “Every time I drive by, it makes me really sad,” a local real estate agent says.
  
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• Drones detect deadly virus in Arctic whales' breath

  19-12-2025 02:44 via bbc.com
  Whale breath collected by drones is giving clues to the health of wild humpbacks and other whales.
  
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• Wildfires, drought and storms top Canada's top weather stories of 2025

  18-12-2025 22:38 via cbc.ca
  Environment and Climate Change Canada's top 10 weather stories of the year include the second-worst wildfire season on record and droughts that stretched across the country.
  
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• Farmers 'bewildered and frightened' over inheritance tax, report finds

  18-12-2025 14:38 via bbc.com
  A government-commissioned report into farm profitability says farmers fear what the future might hold.
  
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• Archaeologists uncover 3,000-year-old mysterious mass burial site

  18-12-2025 07:18 via bbc.com
  Archaeologists find evidence of some kind of "horrible event" in the hills of southern Scotland.
  
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• Sir David Attenborough's London - why he wouldn't live anywhere else

  18-12-2025 07:06 via bbc.com
  In a new one-off documentary, the broadcaster and conservationist comes home - to London.
  
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• Spain to open network of climate shelters

  17-12-2025 18:50 via bbc.com
  Prime Minister Pedro Sanchez says the shelters will be in public buildings across the country.
  
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• Rare instance of polar bear cub being adopted near Churchill verified by scientists

  17-12-2025 12:00 via cbc.ca
  Scientists were recently greeted with a most unexpected surprise when a polar bear mother and her cub were walking near Churchill in mid-November when scientists witnessed the mother adopt a second cub, marking just the 13th such case of cub adoption within the western Hudson Bay study population of northeastern Manitoba.
  
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• Rockalina the turtle meets member of her own species for the 1st time in 48 years

  16-12-2025 23:57 via cbc.ca
  After nearly 50 years living on a kitchen floor in New Jersey and eating a diet of mainly cat food, Rockalina the turtle was in rough shape. But after 11 months of rehabilitation, she's thriving — and she even has an itty-bitty new friend.
  
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• EU waters down plans to end new petrol and diesel car sales by 2035

  16-12-2025 20:28 via bbc.com
  Carmakers, particularly in Germany, have lobbied heavily for concessions to the planned rules.
  
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• Government rolls back nature protections to boost housing

  16-12-2025 18:51 via bbc.com
  Critics say government changes to a flagship biodiversity policy could stall nature recovery.
  
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• Thousands of dinosaur footprints found on Italian mountain

  16-12-2025 16:09 via bbc.com
  The footprints date back some 210 million years and show traces of toes and claws.
  
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• TNF-α signaling mediates the dopaminergic effects of methamphetamine by stimulating dopamine transporters and L-type Ca2+ channels | Science Signaling

  16-12-2025 15:01 via science.org
  
  Dopamine release that underlies methamphetamine addiction is driven by the cytokine TNF-α.
  
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• The accessory protein MRAP2 directly interacts with melanocortin-3 receptor to enhance signaling | Science Signaling

  16-12-2025 15:01 via science.org
  
  Signaling mediated by the GPCR MC3R is boosted by a 1:1 association with the accessory protein MRAP2.
  
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• Workers were exposed to toxic chemicals in firefighting foam

  16-12-2025 07:27 via bbc.com
  For decades it was 3M's biggest outside the US, and the factory made nappy fastenings and video tape.
  
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