Science news

• Walking like a dinosaur (or bird): This robot's legs are designed for maximum efficiency

  18-03-2022 20:32 via cbc.ca
  
  Bob McDonald's blog: Birds and their ancestors the dinosaurs have been walking on two limbs for more than 100 million years, so its not surprising they do it well enough to inspire imitation.
  
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• 4th case of deadly deer disease confirmed in B.C. Hunters required to help monitor spread

  04-12-2024 01:05 via cbc.ca
  
  Hunters across British Columbia are being asked to help monitor chronic wasting disease, an illness affecting deer, elk, and moose.
  
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• Man injured protecting wife from polar bear in northern Ontario, police say

  03-12-2024 19:06 via cbc.ca
  
  A man in Fort Severn First Nation, Ont., was injured Tuesday morning in a polar bear attack, said the Nishnawbe Aski Police Service (NAPS). The man, who "leapt onto" the polar bear to protect his wife, is recovering from serious arm and leg injuries, the NAPS said in an emailed release.
  
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• Wolves in EU lose safeguards, allowing culls as numbers soar

  03-12-2024 17:34 via bbc.com
  
  The European Commission says numbers have soared and the animals are now causing damage to livestock.
  
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• Structural insights into the high basal activity and inverse agonism of the orphan receptor GPR6 implicated in Parkinson’s disease | Science Signaling

  03-12-2024 15:01 via science.org
  
  Structural analysis of a G protein–coupled receptor reveals how it might be targeted to treat Parkinson’s disease.
  
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• Healing limited | Science Signaling

  03-12-2024 15:01 via science.org
  
  Activation of liver X receptor promotes tissue regeneration over neoplastic transformation.
  
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• ChREBP-mediated up-regulation of Them1 coordinates thermogenesis with glycolysis and lipogenesis in response to chronic stress | Science Signaling

  03-12-2024 15:01 via science.org
  
  Transcriptional induction of Them1 suppresses thermogenesis under conditions of chronic stress.
  
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• Bee-harming pesticides found in majority of English waterways

  02-12-2024 16:35 via bbc.com
  
  The chemicals can harm insects and marine wildlife, environmental charities warn.
  
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• Top UN court to rule on key climate questions

  02-12-2024 10:51 via bbc.com
  
  The significant case could clarify governments' legal responsibilities in relation to climate change.
  
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• 'No consequences' for violating human rights in privately funded research in Canada, says ethics expert

  02-12-2024 10:00 via cbc.ca
  
  Ethics experts say Canadians should think twice about becoming research participants, because the federal body that holds universities accountable to ethical standards has no jurisdiction over privately funded studies.
  
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• Long-term exposure to wildfire smoke associated with increased risk of dementia: study

  02-12-2024 10:00 via cbc.ca
  
  Being exposed to wildfire smoke over a long period of time could increase the risk of developing dementia even more than exposure to other sources of air pollution, according to new research — a pressing concern as Canada’s wildfire season is only projected to get worse with time.
  
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• Kitigan Zibi Anishinābeg calls for safe passage for American eels on the Ottawa River

  02-12-2024 10:00 via cbc.ca
  
  The western Quebec First Nation is urging the provincial and federal governments to protect American eels from dangerous practices at dams in the upper St. Lawrence River watershed that have severely curtailed their population.
  
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• 'We're inundated with abandoned goats'

  02-12-2024 07:10 via bbc.com
  
  A shelter in Kent says it is struggling to cope with an influx of goats being dumped at its door.
  
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• Black plastics may contain toxic compounds that can leach into food, experts say

  30-11-2024 10:00 via cbc.ca
  
  Fire retardants — including toxic, regulated compounds — were found in roughly 85 per cent of products analyzed by researchers of a recently published study. The items tested include kitchen utensils, food trays and even children's toys.
  
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• Why orcas wear dead salmon as 'hats' remains a mystery, scientists say

  30-11-2024 08:24 via cbc.ca
  
  In what may seem like a call-back to 1980s whale culture, a resident orca off the coast of Washington state was recently spotted sporting a dead salmon on its head. 
  
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• SpaceX's Falcon Heavy rocket will launch NASA probe to Saturn's largest moon

  29-11-2024 22:41 via cbc.ca
  
  NASA's sending an octocopter-lander to Saturn's cloud-covered moon, Titan, with SpaceX's Falcon Heavy rocket with a launch scheduled for 2028.
  
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• Fossil footprints suggest 2 early human species coexisted 1.5 million years ago

  29-11-2024 19:04 via cbc.ca
  
  Intersecting paths of muddy footprints left on a Kenyan lakeside 1.5 million years ago suggest two of our early human ancestors were nearby neighbours.
  
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• Will flights really reach net zero by 2050 - and at what cost to passengers?

  29-11-2024 02:12 via bbc.com
  
  Governments don’t want to tell people they’re going to have to pay more, argues an expert.
  
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• Final UN plastic treaty talks reach halfway mark

  29-11-2024 01:06 via cbc.ca
  
  Canadian negotiators at the United Nations plastic pollution treaty talks in South Korea said Thursday they are working "around the clock" to finalize an agreement, though the process has been predictably difficult.
  
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• Recycling is failing as a way to reduce plastic. Here's why

  28-11-2024 10:00 via cbc.ca
  
  As nations negotiate a binding global treaty to tackle plastic pollution, the pressure from industry is to focus more on recycling. But with some figures estimating only nine per cent of plastic is recycled, what are the solutions?
  
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• Birth control for birds? Toronto is betting on it with new feeder to control pigeon population

  28-11-2024 01:58 via cbc.ca
  
  Toronto has expanded its efforts to control the number of pigeons in the city by setting up downtown a new feeder that contains birth control for the birds.
  
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• One small step for Alberta town: Residents of Athabasca hope to share name with lunar rover

  27-11-2024 15:48 via cbc.ca
  
  Residents of a northern Alberta town are over the moon that it could share its name with the first Canadian rover set to explore the dark, cold terrain of Earth's closest celestial neighbour.
  
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• The turtle inspires these Indigenous advocates to give back to the land

  26-11-2024 19:39 via cbc.ca
  
  In Anishinaabe culture, the turtle is a healer of the land and waters. Turtles also represent truth in the seven sacred teachings. Three Indigenous advocates for the environment share why these turtle teachings are important, and how they inspire them to care for the planet.
  
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• Study finds Indigenous people in B.C. cultivated hazelnuts 7,000 years ago, challenging modern assumptions

  26-11-2024 16:00 via cbc.ca
  
  A new study indicates Indigenous peoples in B.C. have been cultivating the beaked hazelnut for thousands of years, challenging assumptions that pre-colonial Indigenous people were only hunter-gatherers. 
  
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• Study finds Indigenous people cultivated hazelnuts 7,000 years ago, challenging modern assumptions

  26-11-2024 16:00 via cbc.ca
  
  A new study indicates Indigenous peoples in what is now British Columbia have been cultivating the beaked hazelnut for thousands of years, challenging assumptions that pre-colonial Indigenous people were only hunter-gatherers. 
  
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• Microbes help honeybees learn | Science Signaling

  26-11-2024 15:01 via science.org
  
  A gut microbe promotes endocannabinoid signaling and learning in honeybees by metabolizing dietary lipids.
  
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• Coordination between the eIF2 kinase GCN2 and p53 signaling supports purine metabolism and the progression of prostate cancer | Science Signaling

  26-11-2024 15:01 via science.org
  
  Targeting a cell stress response is synthetic lethal with loss of p53 in prostate cancer cells.
  
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