Science news

• Watch these endangered turtles get released back into their habitat

  11-08-2026 01:16 via cbc.ca
  
  Each summer, conservationists with the Canadian Wildlife Federation release endangered Blanding's turtles in west Ottawa. This year, they're releasing 900 hatchlings — up from 600 last year. Rachelle Elsiufi tagged along for a recent release.
  
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• Moth madness at Pasadena festival symptom of spruce budworm battle in N.L.

  12-08-2026 10:30 via cbc.ca
  
  A community festival in Western Newfoundland met with an ongoing spruce budworm infestation to create an unforgettable concert experience for performers and attendees alike this August.
  
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• The hurdles facing Canada's planned pandemic-busting lab

  12-08-2026 10:00 via cbc.ca
  
  Ottawa's plan for a state-of-the-art lab to help tackle emerging health threats is commendable on paper. But top health researchers say long-term funding gaps, recent staff cuts and red tape could threaten its real-world success.
  
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• Spain dealing with influx of solar eclipse tourists while still battling wildfires

  12-08-2026 10:00 via cbc.ca
  
  With tourists flocking to northern Spain to see Wednesday’s total solar eclipse, authorities are deploying police and preventative measures to mitigate the risk of more fires sparking as the country battles a heatwave and wildfires.
  
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• Rare river otter spotted in Niagara wetland, pointing to species' comeback in southwestern Ontario

  12-08-2026 10:00 via cbc.ca
  
  A local photographer captured images of a river otter in the Grimsby Wetlands early this month. Experts say otters used to be rare in southwestern Ontario, but this and other sightings point to a welcome comeback.
  
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• Researchers say whale entanglements on B.C.'s coast continue to be a concern

  12-08-2026 03:03 via cbc.ca
  
  Paul Cottrell, marine mammal co-ordinator with Fisheries and Oceans Canada, said his team has been responding to an average of one to two entanglements a week for the last two months — on track with similar numbers from last year — in addition to several necropsies.
  
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• Molly the chunky African tortoise mysteriously turns up at Manitoba marsh, 20 km from home

  12-08-2026 02:42 via cbc.ca
  
  Molly the African spurred tortoise was rescued from a Manitoba wetland this week after the 36-kilogram (80 pound) creature somehow popped up at Oak Hammock Marsh, 20 kilometres from its home.
  
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• Sask. and B.C. researchers study use of psychedelics, harm reduction at music festivals

  12-08-2026 00:49 via cbc.ca
  
  Summer music festivals have long been places where some people use psychedelics and other drugs. A research team is looking into how these spaces implement harm reduction and what can be learned from it.
  
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• Why NASA flew a repurposed Cold War spy plane over B.C.'s wildfires

  11-08-2026 21:02 via cbc.ca
  
  A high-altitude research aircraft from NASA flew over British Columbia's wildfires over the weekend in a bid to better understand weather events generated by large blazes.
  
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• Off-leash dogs increase chance of human-bear conflict: study

  11-08-2026 20:00 via cbc.ca
  
  A high-profile encounter with a grizzly bear that was caught on camera, and a new study analyzing human-bear conflicts that involved dogs, are highlighting the need to keep dogs on-leash when hiking.
  
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• Alberta says hunting bears with dogs will protect caribou. The province's former caribou manager disagrees

  11-08-2026 18:39 via cbc.ca
  
  Letting hunters use dogs to hunt black bears is a move the Alberta government says will help caribou conservation efforts, but wildlife biologists aren't convinced.
  
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• Wrong bear killed by RCMP after girl attacked in Maple Ridge, B.C.

  11-08-2026 18:04 via cbc.ca
  
  Officials say they are still searching for the black bear that attacked a three-year-old girl in Maple Ridge, B.C., on Sunday, after confirming a bear RCMP killed wasn't the one that did it.
  
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• LRP5-dependent transport of polyunsaturated fatty acids serves as an immune checkpoint for natural killer cells | Science Signaling

  11-08-2026 15:01 via science.org
  
  Polyunsaturated fatty acids curb NK cell function and immunotherapy efficacy against colon cancer in mice.
  
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• Defining STING activity | Science Signaling

  11-08-2026 15:01 via science.org
  
  Mapping mutations to cellular outcomes reveals the molecular mechanisms underlying STING activity.
  
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• Beyond the scaffold: Glia as architects of the neural extracellular matrix | Science Signaling

  11-08-2026 15:01 via science.org
  
  How glial cells dynamically shape their surroundings provides insight into brain development and aging.
  
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• What these salamanders could tell us about the health of Nova Scotian forests

  11-08-2026 11:00 via cbc.ca
  
  The eastern red-backed salamander may hold the key to better understanding the health of old hemlock forests in southwestern Nova Scotia. Researchers are looking at salamander populations and behaviour to study the impacts of an invasive bug and the insecticides we use to fight it.
  
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• Colombia rescue efforts press on after quake, death toll expected to rise

  11-08-2026 10:55 via cbc.ca
  
  Rescue efforts across western Colombia carried into a second day on Tuesday as emergency workers dug through collapsed buildings and flattened homes, amid expectations that the death toll from the country's most powerful earthquake in decades could rise.
  
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• Colombia rescue efforts press on after quake as death toll rises

  11-08-2026 10:55 via cbc.ca
  
  Rescue efforts across western Colombia carried into a second day on Tuesday as emergency workers dug through collapsed buildings and flattened homes, amid expectations that the death toll from the country's most powerful earthquake in decades could rise.
  
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• Colombia quake death toll tops 250 as rescuers race to find survivors

  11-08-2026 10:55 via cbc.ca
  
  Rescue crews dug through mountains of shattered concrete in western Colombia on Tuesday, racing to find survivors after a powerful earthquake killed more than 250 people, according to estimates from local authorities.
  
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• Colombia quake death toll tops 200 as rescuers race to find survivors

  11-08-2026 10:55 via cbc.ca
  
  Rescue crews dug through mountains of shattered concrete in western Colombia on Tuesday, racing to find survivors after a powerful earthquake killed more than 200 people, according to estimates from local authorities.
  
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• Soot falling across Hamilton contains toxic chemicals linked to burning coal, researchers find

  11-08-2026 10:00 via cbc.ca
  
  McMaster University researchers studying the soot falling on Hamilton neighbourhoods have determined the grimy, black substance contains toxic chemicals consistent with coal combustion. For the "What's the Grime?" study, they worked with volunteers to collect samples throughout the city.
  
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• 'Big emotion': Freediver discovers ancient Roman shipwreck off the coast of Sicily

  10-08-2026 19:20 via cbc.ca
  
  An Ancient Roman shipwreck believed to date back more than 2,000 years has been discovered off the coast of Sicily. The wreck was found by freediver Giacomo De Mola, whose radar picked up what he initially thought was a 'strange rock.' The cargo appears to consist of amphoras, which are Roman vases used for storing and transporting liquids.
  
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• Shark teeth fossils discovered in Cape Breton

  10-08-2026 11:00 via cbc.ca
  
  V-shaped indentations in a rock surface on a Dominion, N.S., beach may prove freshwater sharks once lived in the area millions of years ago. Experts hope ongoing research will reveal more about ancient history in the Maritimes. The CBC's Samuel Murrant has the story.
  
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• N.L. wildfires impeding day-to-day geoscience work, but less than in 2025

  10-08-2026 10:30 via cbc.ca
  
  Increasingly severe wildfire seasons are a public safety concern in Newfoundland and Labrador, while also having implications for regular activities in rural and remote areas, including geoscience work essential for the mining sector.
  
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• China evacuates one million from homes as massive storm arrives

  10-08-2026 03:44 via bbc.co.uk
  
  Typhoon Dolphin made landfall on Sunday evening, affecting Shanghai and other parts of eastern China.
  
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• 'Not afraid to stay': The Canadians taking fighting wildfires into their own hands

  10-08-2026 01:02 via bbc.co.uk
  
  With wildfires now widespread and frequent, some rural residents in Canada are learning how to fight the flames themselves and protect their own homes.
  
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• Longest serving volunteer helps boost bird numbers

  09-08-2026 13:04 via bbc.co.uk
  
  Bird charity's longest serving volunteer helps achieve big success in boosting species recovery.
  
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• Sask. horse gets 2nd chance at life after being rescued from frozen creek near Cochin

  09-08-2026 12:00 via cbc.ca
  
  Frosty the horse was rescued from a frozen Lehman Creek, near the resort village of Cochin. He came out alive, but with major injuries. Now, after long months of treatments and recovery, Frosty is thriving on his new farm with his new family.
  
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• What lives in the rivers near you? Why scientists want you to know

  09-08-2026 10:00 via cbc.ca
  
  Scientists are uncovering the creatures that live in our rivers with techniques like electrofishing and DNA sampling. Here's what they're finding, from mottled sculpins to mayfly nymphs, and why they say we need to know our underwater neighbours.
  
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• Rare turtle to be sent back home in 5,000-mile 'incredibly emotional' trip

  09-08-2026 08:30 via bbc.co.uk
  
  A rare turtle is being flown home to the Caribbean Sea after being found washed up in Wales.
  
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