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23,905 articles from CBC - Technology & Science News
New cat contraception method using gene therapy could help manage feral populations
Controlling feral cat populations is controversial and often involves capturing, surgically sterilizing and releasing the animals, which is complex and expensive. U.S. scientists have developed a new method for cat contraception that involves a single injection of a gene that prevents cat eggs from...
Octopuses could help us conceptualize a different form of extraterrestrial intelligence
It's unlikely that aliens, should they exist, will have a single brain and walk on two legs like they do in the movies, writes Bob...
Scientists map medieval town that's been buried beneath the sea for 661 years
Rungholt was once a booming trade town where residents reaped profits from the land’s bountiful natural resources — until a changing climate and rising sea levels ripped it all...
THURSDAY 8. JUNE 2023
Ancient Indigenous 'clam gardens' could be modern-day climate solution
In this week's issue of our environment newsletter, we explore how "clam gardens" can be a climate solution and learn about the importance of biodiversity in forests.
Is virtual reality the future? Apple's betting on it, but VR experts say we may not be there yet
On Monday, Apple unveiled a new product that's either revolutionary, or very expensive hype, depending on whether you read the company description of the Vision Pro or media reviews of its...
How 'severe and unusual' smoke from Canadian wildfires is spreading and what it means for your health
As wildfires continue to rage out of control in Quebec, severe levels of air pollution have prompted air quality warnings across vast portions of eastern Canada and the U.S. CBC News spoke to experts and consulted recent studies to show the potential health impacts of the smoke in the...
WEDNESDAY 7. JUNE 2023
Ah, here's your problem — there's a marmot stuck in your engine
An Edmonton man returning from a trip to wilderness this weekend thought he had engine trouble. When he looked under the hood of his car, he found a...
'Dark design' can nudge you into tipping more, says expert
Tipping is now commonplace in all sorts of Canadian businesses, and one expert says the prompts employed can play on our desire to seem...
Distillery develops dairy-to-fuel process
A distillery known for vodka distilled from milk byproduct has partnered with a U.S. dairy producer who will use the eastern Ontario company's process to produce eight million litres of ethanol fuel that is better for the...
Forest fires could destabilize Quebec wildlife for years to come, say experts
Quebec's boreal forest is not suited to frequent devastating fires, experts warn, and the current blazes could damage the delicate “mosaic” of the...
Humpback whale rescued after being entangled in rope in B.C. waters
Marine researchers are warning the public to keep an eye out for humpback whales entangled in fishing gear, after one humpback was extricated from polysteel rope off the coast of Haida...
How to better protect yourself from the health effects of wildfire smoke
From do-it-yourself air cleaning devices to moving your workout indoors, experts say more Canadians will see smoky summer days and need to plan ahead to avoid potentially dangerous...
TUESDAY 6. JUNE 2023
New research shows Arctic could see ice-free summers by 2030
A paper published Tuesday in the journal Nature has concluded that northern waters could be open for months at a time as early as 2030, even if humanity manages to drastically scale back its greenhouse gas...
This 3D-printed fish fillet may not be the reel deal, but it could be a necessary step in sustainable cuisine
A partnership between Steakholder Foods and Umami Meats has created a 3D-printed fish fillet — all without the use of a hook, line or...
MONDAY 5. JUNE 2023
Northern goshawk attacks biker on popular Whitehorse trail
A northern goshawk punctured Thane Phillips's helmet while he was biking the Mother-Tucker trail. Experts say the bird species is feeling the threat of habitat loss in the boreal forest.
How do you track biodiversity loss? Check air filters, say scientists
A new study shows air filtering systems across the world have been collecting DNA from wildlife for decades, which could be used to help researchers identify and quantify...
SUNDAY 4. JUNE 2023
Scared of heights? How virtual reality can help people overcome their phobias
Virtual reality-based (VR) therapy combines other forms of therapy, including talk, with technology, allowing patients to immerse themselves in their fears in a groundbreaking way. It’s been used to treat post-traumatic stress disorder, anxiety and other mental health...
FRIDAY 2. JUNE 2023
Self-driving cars know the rules of the road — but not rules of humanity
When it comes to reading cues from human drivers, autonomous vehicles have a ways to...
Industry knew about risks of PFAS 'forever chemicals' for decades before push to restrict them, study says
Makers of PFAS, a class of chemicals used in everything from cookware to food containers and makeup, knew the substances were toxic as early as the 1970s and obscured the danger, according to a new study based on industry archives held at the University of...
THURSDAY 1. JUNE 2023
If a forest has a variety of tree species, is it better at fighting climate change? A U of A study says yes
Tree diversity is declining in forests around the world, but advocates are urging better management practices in the wake of new research that shows diverse species can increase a forest's carbon storage...
WEDNESDAY 31. MAY 2023
NASA UFO panel says stigma, lack of data are problems when studying 'unidentified aerial phenomena'
The first public meeting of a NASA panel studying what the government calls "unidentified aerial phenomena," commonly known as UFOs, kicked off on Wednesday to discuss its findings since it formed last...
North Korean spy satellite plunges into sea after rocket failure
A North Korean satellite launch on Wednesday ended in failure, sending the booster and payload plunging into the sea, North Korean state media said, and the South's military said it had recovered parts of the launch...
Canadian researchers use AI to find a possible treatment for bacteria superbug
A group involving McMaster University scientists have used artificial intelligence to find a treatment for Acinetobacter baumannii, a deadly superbug that, until now, was resistant to previously known...
TUESDAY 30. MAY 2023
After leading the world on cutting methane, Canada faces stringent new standards in U.S. and Europe
Canada has been a world leader in regulating methane emissions from its oil and gas sector, putting out regulations well ahead of many other major emitters, but it needs to now update those regulations or risk falling behind the U.S. and Europe, experts...
In Turkey's earthquake-ravaged Antakya, residents wonder why city wasn't better prepared
As crews continue to demolish buildings in the province of Hatay, officials are warning that the Istanbul region is due for a major...