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24,655 articles from CBC - Technology & Science News
Technology can detect wildfires. Do humans still have to?
If it takes humans out of towers, advanced technology like drones could eliminate the risk and cost of the job. But lookouts like Trina Moyles argue that technology can't entirely replace them, and the focus on the tech means they aren't getting the support they...
FRIDAY 26. APRIL 2024
Ingenuity Mars Helicopter down but definitely not out
NASA's Ingenuity Mars Helicopter, which vastly exceeded all expectations, has relayed its final transmission back to Earth. Now it's onto a new phase of its mission where it will continue to collect data for future explorers to...
Prehistoric giant 'sabre-toothed salmon' renamed after new discovery
The giant prehistoric 'sabre-toothed salmon' has been renamed the 'spike-toothed' salmon after scientists uncovered new information about its weird, giant...
What are microplastics doing to human health? Scientists work to connect the dots
People unknowingly ingest microplastics from what we eat, drink and breathe. Some scientists fear exposure to microplastics could increase vulnerability to heart disease, cancer and other illnesses. While possible links between microplastics and disease are not definitive, researchers are exploring some concerning...
Chicago's famous sidewalk 'rat hole' has been removed, but its legacy lives on
City officials have removed the slab of sidewalk concrete with a rat-shaped imprint that had become both a source of both pride and consternation for...
THURSDAY 25. APRIL 2024
Dubai deluge likely made worse by warming world, scientists find
A powerful rainstorm that wreaked havoc on the desert nation of the United Arab Emirates last week was likely made more intense because of climate change, a team of international scientists has...
Toronto Native Plant Market helps gardeners boost local biodiversity
In this week's issue of our environment newsletter, we learn how native plants help boost biodiversity in your garden, get an update on global and federal action on plastic pollution and get tips for making your wardrobe more...
El Niño is nearing its end. Does that mean global temperatures will cool down in 2024?
La Niña is on its way, but global temperatures are so high already that some climate scientists say it may not have as much of a a cooling effect this year as in the...
WEDNESDAY 24. APRIL 2024
Predators take big bite out of declining Atlantic mackerel population
Predators ate at least twice as many Atlantic mackerel as commercial fishery landings in the decade leading up to Canada's region-wide moratorium, according to new research by Canadian and American...
TUESDAY 23. APRIL 2024
Caribou herds in B.C., Alberta, growing due to wolf culls: study
Fresh research suggests Western Canada's once-dwindling caribou numbers are finally growing. But the same paper concludes the biggest reason for the rebound is the slaughter of hundreds of wolves, a policy that will likely have to continue for...
Nearly 30 cases of eclipse-related eye damage reported in Quebec so far
Quebec optometrists have confirmed 28 cases of eclipse-related eye damage since the solar event on April 8, and health officials say there could be far...
Humans wiped out a native San Francisco butterfly. Now another species is filling its 'big blue shoes'
For decades, conservationists have been restoring the biodiversity of San Francisco's coastal dunes. But a key piece of the puzzle was missing — until...
MONDAY 22. APRIL 2024
Quebec races to save western chorus frog as city builds road through wetland
A controversial road through a wetland inhabited by the western chorus frog, a threatened species, is soon set to be completed in Longueuil, Que. While efforts to boost the frogs' population get underway, conservationists say more needs to be...
SUNDAY 21. APRIL 2024
UBC prof Suzanne Simard named in Time's 'most influential' list
Simard, author of Finding the Mother Tree, joins fellow Canadians like actors Elliot Page and Michael J. Fox, Pulitzer-winning podcaster Connie Walker, and artificial intelligence researcher Yoshua Bengio on Time Magazine's annual...
Will climate change mean more mosquitoes in Atlantic Canada? N.S. researchers want to know
Some biologists are predicting climate change could mean the arrival of new insects on Atlantic Canada's...
Canadian farmers take precautions as bird flu outbreaks hit U.S. dairy cattle
Highly pathogenic avian influenza has shown up in at least 32 herds in eight U.S. states, but not in Canada so far. While farmers are worried, experts say there's no cause for alarm right now thanks to national food safety standards and biosecurity measures in...
FRIDAY 19. APRIL 2024
No planet comes close to the life-giving properties of planet Earth — at least not yet
The tally of planets found in orbit around other stars now surpasses 5,600, but even with so many possibilities, none compare to little blue and green oasis we call...
An Indigenous ecologist on why we need to stop and listen to save the planet
In a new book, Indigenous ecologist Jennifer Grenz talks about how a moment of "ecological angst" led her to incorporate more of her Indigenous worldview into her traditional Western science...
THURSDAY 18. APRIL 2024
Even gardens have a carbon footprint. Here's how to reduce the climate impact of urban farming
A study published earlier his year in the science journal Nature suggests gardeners should evaluate the carbon footprint of things like co-operative or collective gardens by looking at what they use to build them and, as importantly, what they grow and how they grow...
Scientists from Sask., Sri Lanka work together to address threat of antibiotic resistance in animals
Two scientists whose connection was sparked in Saskatchewan are working together from different sides of the globe to improve animal health in Sri Lanka, in hopes of addressing a potential global health...
WEDNESDAY 17. APRIL 2024
How cloud seeding can make it rain or prevent extreme weather
Cloud seeding has been named by some media reports as a possible contributor to record-setting rain and flooding in Dubai, U.A.E. Here's a closer look at what cloud seeding is, how it's used and whether it could have made the flooding...
Federal government announces creation of National Space Council
Canada’s space sector received a boost from the federal government in its budget, both in terms of money and vision, with proposed funding for a moon program and the formation of the National Space...
A 'new' star will light up the sky soon and you can see it for yourself
Star light, star bright, will there be a new star tonight? That’s the question astronomers are waiting to answer, as they await a spectacular stellar explosion they believe is on the...
TUESDAY 16. APRIL 2024
NASA pauses Mars sample return plan until a cheaper, faster one can be developed
NASA's plan to bring samples from Mars back to Earth is on hold until there's a faster, cheaper way, space agency officials said...
Mysterious object that hit Florida man's roof was part of the International Space Station
When a strange object hit Alejandro Otero's home in Florida, he had to return early from vacation. Once he got in touch with NASA, he learned it was a piece of space junk from the International Space...