Science news

• The northern lights could light up the sky on Thursday night

  06-11-2025 19:22 via cbc.ca
  Keep your fingers crossed for clear skies: the U.S. Space Weather Prediction Center is calling for a strong geomagnetic storm, which could produce the northern lights.
  
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• William follows in mother Diana's footsteps with Rio statue photo

  05-11-2025 16:37 via bbc.com
  The Prince of Wales posed beneath the Christ the Redeemer statue 34 years after his mother did.
  
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• Trump U-turns to renominate billionaire for Nasa chief

  05-11-2025 16:11 via bbc.com
  Jared Isaacman's initial nomination was withdrawn by the president in May during his high-profile feud with Elon Musk.
  
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• Drought could threaten salmon returning to N.S. rivers to spawn, say conservationists

  05-11-2025 11:00 via cbc.ca
  In October and November, Atlantic salmon return from their ocean feeding grounds to the rivers where they were born, looking for an ideal place to spawn. But in Nova Scotia, the ongoing drought is threatening some fish as they attempt to complete an important step in their life cycle.
  
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• Federal budget dedicates over $1B to boost Canadian AI and quantum computing

  04-11-2025 22:20 via cbc.ca
  Prime Minister Mark Carney’s first budget proposes providing more than $1 billion over the next five years to build up Canada’s artificial intelligence and quantum computing ecosystems while embedding AI technology more deeply in federal government operations.
  
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• Researchers find gaps in environmental impact assessments of Canadian mining projects

  04-11-2025 15:05 via cbc.ca
  The lack of data means it can be difficult to assess how a mine is impacting the surrounding community, researchers say.
  
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• The chordoid glioma PRKCA D463H mutation is a kinase inactive, gain-of-function allele that induces early-onset chondrosarcoma in mice | Science Signaling

  04-11-2025 15:01 via science.org
  
  A mutation in PKCα ablates kinase activity but amplifies signaling output through protein interactions.
  
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• Leukocytes have a heparan sulfate glycocalyx that regulates recruitment during psoriasis-like skin inflammation | Science Signaling

  04-11-2025 15:01 via science.org
  
  Leukocytes accumulate in the skin during psoriatic-like inflammation upon cleavage of surface heparan sulfate.
  
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• Stone tool discovery suggests very first humans were inventors

  04-11-2025 11:01 via bbc.com
  The find shows that the technology was passed down through thousands of generations.
  
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• McMaster research targets menstrual cup ‘mess’ with absorbent tablets to tackle period stigma

  04-11-2025 10:00 via cbc.ca
  McMaster University professor Zeinab Hosseinidoust worked alongside associate professor Tohid Didar to create smart tablets that work with menstrual cups to make them more accessible and reduce the “mess” that can come along with them.
  
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• Selfies as William begins Brazil visit for environment prize

  03-11-2025 23:12 via bbc.com
  The prince has key environmental work planned with the Earthshot Prize and a speech at the COP30 summit - but started with a cable car trip up Sugarloaf Mountain.
  
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• Antarctic glacier's rapid retreat sparks scientific 'whodunnit'

  03-11-2025 17:00 via bbc.com
  A new study suggests that changes to Hektoria Glacier are unprecedented - but not all scientists agree.
  
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• Researchers, hunters study how oilsands noise might impact moose hunting

  03-11-2025 14:00 via cbc.ca
  Hunters in northern Alberta are helping scientists test how industrial noise from the oilsands affects moose hunting — a food source and a connection to cultural traditions for many rural and Indigenous communities.
  
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• Firms ordered to reduce forever chemicals in drinking water sources for 6 million people

  03-11-2025 09:35 via bbc.com
  The persistent pollutants which build up in the environment have been linked to serious illnesses.
  
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• Hedgerows and mob grazing: Can farming fix its carbon black hole?

  03-11-2025 07:12 via bbc.com
  Scottish ministers are putting the finishing touches to a plan aimed at reducing planet-warming emissions.
  
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• Deadly 6.3-magnitude earthquake hits northern Afghanistan

  03-11-2025 03:43 via cbc.ca
  A 6.3-magnitude earthquake struck near the northern Afghan city of Mazar-e Sharif early on Monday, killing at least 20 people, injuring hundreds and damaging the city's historic Blue Mosque, authorities said, with the death toll likely to rise.
  
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• Deadly 6.3 magnitude earthquake hits northern Afghanistan

  03-11-2025 03:43 via cbc.ca
  A 6.3-magnitude earthquake struck near the northern Afghan city of Mazar-e Sharif early on Monday, killing at least 20 people, injuring hundreds and damaging the city's historic Blue Mosque, authorities said, with the death toll likely to rise.
  
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• A monkey that escaped from an overturned truck has been fatally shot by Mississippi mom

  03-11-2025 00:41 via cbc.ca
  One of the monkeys that escaped last week after a truck overturned on a Mississippi roadway was shot and killed early Sunday by a homeowner who says she feared for the safety of her children.
  
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• Italian winemakers look to new technologies with old grape varieties to adapt to a changing climate

  02-11-2025 10:00 via cbc.ca
  As Italy’s vineyards grapple with summers that are longer and hotter, erratic weather and dwindling water, winemakers are being forced to rethink one of the oldest assumptions in their craft: terroir, the delicate interplay of soil, sun, wind, rain and human touch that gives each wine its specific taste.
  
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• Alberta researcher pitches Australian-made beehives as new alternative for Canadian beekeepers

  01-11-2025 13:00 via cbc.ca
  A master beekeeper in Alberta is putting an insulated hive to the test he says could help a struggling Canadian industry.
  
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• Is the world back to testing nuclear weapons? Here are the facts

  01-11-2025 09:00 via cbc.ca
  For more than 30 years, major nuclear powers have refrained from testing nuclear bombs. But that streak may soon be over as Russia and the U.S. conduct missile tests and threaten to resume explosions of the most powerful weapons ever devised.
  
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• How much of a role did climate change play with Hurricane Melissa?

  01-11-2025 09:00 via cbc.ca
  Millions of people across the Caribbean are trying to deal with the devastating effects of Hurricane Melissa, which tore through the region this week, slamming into Jamaica as a Category 5 storm. Now, several groups have done a rapid analysis to determine what role climate change could have played.
  
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• P.E.I. researchers turn sawdust into a solution for dirty water

  31-10-2025 20:00 via cbc.ca
  Researchers at UPEI are experimenting with using sawdust to clean wastewater, and they hope in the future they can use it to remove 'forever chemicals' — like PFAS.
  
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• Bats are seeking sanctuary in churches - but they're making an unholy mess

  31-10-2025 01:34 via bbc.com
  A new study estimates that about half of all churches in England have bats living in them.
  
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• Hunter mauled by grizzly bear west of Calgary

  31-10-2025 00:51 via cbc.ca
  Alberta Fish and Wildlife says a man was mauled by a grizzly bear south of Cochrane, Alta. The bear was subsequently shot by the man's hunting partner.
  
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• What is COP30 and why does it matter?

  30-10-2025 17:19 via bbc.com
  World leaders will soon gather for the annual UN meeting on how to tackle climate change.
  
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• Teesside hydrogen plant decision delayed again

  30-10-2025 14:26 via bbc.com
  BP and Teesworks are locked in a dispute over a patch of land at the former steelworks in Redcar.
  
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• Wildlife photographer helps save elk trapped in netting in Prince Albert National Park

  30-10-2025 12:00 via cbc.ca
  Avid wildlife photographer Rod Young reported a bull elk in distress to Prince Albert National Park staff, who then tranquilized the animal and freed it from the man-made netting.
  
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• Wind turbines keep killing bats in Canada. Advocates say this needs to change

  30-10-2025 09:00 via cbc.ca
  Bats don’t exactly have a glowing public image. After all, they’re often associated with blood-sucking vampires, gloomy caves and all things spooky. But migratory bats in Canada are in desperate need of protection, according to researchers.
  
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• How Jamaica took out an insurance policy for itself, and why it’s about to pay off after Hurricane Melissa

  30-10-2025 09:00 via cbc.ca
  Jamaica’s decade-long effort to build layers of financial protection in case of natural disasters might help the country access millions of dollars in the immediate aftermath of Hurricane Melissa — and provide a model to follow for climate-vulnerable nations elsewhere.
  
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• Rare wolf spider rediscovered after 40 years

  30-10-2025 07:09 via bbc.com
  The team that found the tiny orange-legged arachnid have named it the white-knuckled wolf spider.
  
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• When a polar bear kills, it doesn’t just eat. It feeds a whole ecosystem

  29-10-2025 20:28 via cbc.ca
  Many of nature’s apex predators guard their dinner from scavengers until they’ve gobbled up every last morsel and licked the bones clean. But polar bars eat what they need, and leave the rest behind for other Arctic critters to munch.
  
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• Vampire bats are ‘little ninjas’ who are actually quite sweet

  29-10-2025 14:39 via cbc.ca
  Documentary Empire of Bats nails the coffin shut on vampire bat myths
  
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• Britain's energy bills problem - and why firms are paid huge sums to stop producing power

  29-10-2025 10:14 via bbc.com
  Could the government's radical plan to change the way the UK distributes electricity really bring down bills - or just lead to a postcode lottery?
  
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• 'You could hear them in the walls': Leaside residents blame rat infestation on neighbour feeding wildlife

  29-10-2025 10:00 via cbc.ca
  Residents of a street in Toronto's Leaside neighbourhood say they're fighting a rat infestation brought on by a neighbour who refuses to stop feeding wildlife in her backyard.
  
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• How do hurricanes form and are they getting stronger?

  29-10-2025 08:34 via bbc.com
  These powerful tropical storms are generally becoming more intense as the world warms.
  
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• Hurricane Melissa: a case study in a changing hurricane era

  29-10-2025 01:25 via cbc.ca
  Hurricane Melissa’s Category 5 winds tore into western Jamaica Tuesday morning, marking one of the most powerful Atlantic landfalls ever recorded. CBC’s Johanna Wagstaffe looks at how Melissa may be part of a new hurricane era: storms fuelled by record-warm seas and slowed by a shifting jet stream.
  
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• What makes Melissa such a dangerous storm?

  28-10-2025 18:32 via bbc.com
  Melissa's 185 mph winds at landfall means it could eclipse all storms the island has experienced before.
  
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• Arctic fossil is northern-most rhino species ever found

  28-10-2025 17:00 via cbc.ca
  Millions of years ago, a pony-sized, hornless rhino wandered through the woods and munched on leaves in what is now northern Nunavut. A new study identities it as a new species, and offers an intriguing explanation for how it got there.
  
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• Sensory support for stem cells | Science Signaling

  28-10-2025 14:01 via science.org
  
  Sensory neurons promote bone homeostasis and repair by providing osteopontin to skeletal stem cells.
  
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• Loss of the conserved switch III region in a G protein leads to severe pediatric encephalopathy | Science Signaling

  28-10-2025 14:01 via science.org
  
  The effects of mutations in a neuronal Gα protein associated with neurological disorders are characterized.
  
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• Intestine-derived sorbitol drives steatotic liver disease in the absence of gut bacteria | Science Signaling

  28-10-2025 14:01 via science.org
  
  Gut microbiota protect against hepatic steatosis by degrading sorbitol derived from dietary glucose.
  
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• Most countries fail to submit new climate pledges ahead of summit

  28-10-2025 12:08 via bbc.com
  The UN's review of national climate plans shows the world is well off track to limit warming
  
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• These robots can clean, exercise - and care for you in old age. Would you trust them to?

  28-10-2025 01:04 via bbc.com
  It sounds like something from a sci-fi film - but some scientists believe this clever new tech could help alleviate strains on the UK care system
  
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• Scientists discover dinosaur 'mummies' with hoofs like a horse

  27-10-2025 23:22 via cbc.ca
  It’s been more than 60 million years since duck-billed dinosaurs roamed around what is now known as western North America.
  Or, more accurately, since they clomped around. On their hoofs. 
  
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• Grizzly killed through Alberta’s new hunting program, province says

  27-10-2025 21:30 via cbc.ca
  The Alberta government says one grizzly bear has been killed by a member of the Wildlife Management Responder Network, marking the first bear "lethally removed" since that program was implemented last summer.
  
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• Opponents in rural Nova Scotia challenge cabinet decision on whale sanctuary project

  27-10-2025 18:58 via cbc.ca
  Landowners in Wine Harbour are speaking up for the first time against the cabinet decision on whale sanctuary project.
  
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• B.C. man dies weeks after rescuing himself from the jaws of a grizzly bear

  26-10-2025 19:54 via cbc.ca
  Joe Pendry used his experience as a boxer to fight for his life when a mother grizzly attacked and severely injured him in B.C.'s East Kootenay region earlier this month.
  
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• Honey-hunting grizzlies are 'one of the realities' for beekeepers in Bearberry, Alta.

  26-10-2025 11:00 via cbc.ca
  For Mountain View County beekeepers Simone and Steven Dold, bears trying to steal from their hives is just "one of the realities" of living in the rural Alberta community of Bearberry.
  
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• Faulty culverts are harming or killing fish. N.S. environmentalists want that to change

  26-10-2025 10:00 via cbc.ca
  A Nova Scotia man who fishes in the Minas Basin says he routinely sees the harm that faulty culverts cause fish.
  
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