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23,154 articles from CBC - Technology & Science News
Astronomers find another strange fast radio burst from distant galaxy
Powerful bursts of radio waves emanating from a distant dwarf galaxy that were detected using a massive telescope in China are moving scientists closer to solving what one called a "cosmic mystery" that has lingered for...
Have you herd? The sheep are back to shear Montreal's city grass
For the past few summers, flocks of sheep have been serving as ecologically friendly lawn mowers to help manage the landscaping in some Montreal parks. This weekend, volunteers were trained on how to be urban shepherds for the...
TUESDAY 7. JUNE 2022
Students learn to conduct archeology in respectful way on Siksika reserve
The University of Calgary, in partnership with Old Sun Community College, is working with Siksika elders and community members in its archeological excavation on the Siksika...
SUNDAY 5. JUNE 2022
As wildfire season approaches, new studies show air pollution linked to severe health outcomes
Experts are warning about the negative health impacts from air pollution as we head into wildfire season — and new research suggests it could exacerbate severe outcomes from COVID-19 and increase the risk of lung...
SATURDAY 4. JUNE 2022
The Big Dipper and the Dene traveller legend — how Indigenous teachings can change views of the night sky
Mi'kmaw astronomer Hilding Neilson and Dene Chief Fred Sangris have brought their Indigenous perspectives to the study of astronomy. Neilson says applying these different lenses when looking at the stars can help create a better and more inclusive field of...
To fight illegal fishing in the Galapagos, Ecuador turns to Canadian satellite and sensing technology
June 5 is the UN's International Day for the Fight against Illegal, Unreported and Unregulated Fishing (IUU), and officials say the issue is only getting worse globally. In Ecuador, they are turning to sophisticated technology to tackle the...
FRIDAY 3. JUNE 2022
Wet weather means slow start to B.C. wildfire season, but forecast suggests shift in July
Cold and wet weather has meant a very slow start to B.C.’s wildfire season, and while that’s expected to continue throughout June, late summer could bring more dangerous conditions, according to the latest fire...
Tom Cruise goes hypersonic in new Top Gun movie, but doing it in real life is a challenge
Bob McDonald's blog: The movie's fictional Darkstar aircraft is based on historical innovations in hypersonic...
THURSDAY 2. JUNE 2022
For this remote First Nation, installing heat pumps is worth the effort
In this week's issue of our environment newsletter, we catch up with a B.C. First Nation that aims to convert almost entirely to heat pumps and examine how recyclable electric vehicle batteries...
As the U.K. brings back imperial measurements, is it time for Canada to drop them?
As the United Kingdom moves to bring back the imperial system, fans of metric measurements say it's time for Canada to go the opposite way, and drop the imperial system for...
Inuk identifies new subspecies of butterfly while working with Montreal Insectarium
The program teaches young people about insect monitoring, identification, preservation and the ecosystem of the North while taking an inventory of the thousands of insect species in the...
WEDNESDAY 1. JUNE 2022
Canada's tornado warnings falling well short of targets, analysis finds
As summer quickly approaches, so too does the threat of tornadoes. But the chance that Canadians will be properly warned about an approaching twister are low, according to a new...
How a local IT expert — and Elon Musk's SpaceX — helped reboot Uxbridge when a tornado hit
Doug Williamson's resourcefulness after a devastating tornado in Uxbridge, Ont., was a game changer. His quick thinking has prompted the town to consider adding Elon Musk's Starlink system to its emergency response arsenal. But experts are advising...
TUESDAY 31. MAY 2022
Archaeologists discover 250 Egyptian mummies in ancient necropolis
Archaeologists working near Cairo have uncovered hundreds of ancient Egyptian coffins and bronze statues of...
MONDAY 30. MAY 2022
Hurricane Agatha, now a tropical storm, sets May record
Hurricane Agatha made history as the strongest hurricane ever recorded to come ashore in May during the eastern Pacific hurricane season, making landfall on a sparsely populated stretch of small beach towns and fishing villages in southern...
Are we in for a spectacular meteor shower? Astronomers aren't sure, but suggest looking up tonight
Astronomers are waiting to see if a normally quiet meteor shower puts on a show Monday night. There's a potential outburst from the tau Herculids, but the key word is...
SUNDAY 29. MAY 2022
How the war in Ukraine threatens decades of scientific research
As the war rages in Ukraine, there is growing concern about the long-lasting effect it will have on the scientific community — and of the lost opportunities for discovery in the fields of academia, medicine and science. Canadian scientists, however, are trying to help researchers displaced by the...
SATURDAY 28. MAY 2022
Scientists warn future temperatures will test humans' ability to survive
The world is getting hotter and heat waves will become more common, testing the limits of how much our bodies can handle. Experts say we need to rethink the way we live and...
Are EV batteries recyclable? Your questions answered
Have you been wondering if electric vehicle batteries are recyclable or sustainable? How many types of EV batteries are there? Where are the raw materials coming from? We asked the...
FRIDAY 27. MAY 2022
Construction unearths ancient Mayan ruins on Yucatan Peninsula
Archeologists have uncovered the ruins of an ancient Mayan city filled with palaces, pyramids and plazas on a construction site of what will become an industrial park near Merida, on Mexico's Yucatan...
As NASA plans for Mars, Canada works to keep Mars voyagers healthy
Bob McDonald's blog: A priority for Canadian space science, remote medicine, will allow us to keep astronauts healthy on a Mars mission, and has important applications in remote areas on Earth as...
THURSDAY 26. MAY 2022
Scientists send glider drone into Gulf of Alaska to learn more about ocean's CO2 levels
Designed to dive 1,000 metres and roam remote parts of the ocean, an autonomous vehicle was deployed in the Gulf of Alaska this spring to provide a deeper understanding of the ocean's chemistry in the era of climate...
Why environmentalists want us to stop decluttering
In this week's issue of our environment newsletter, we look at why decluttering may not be so good for the planet and why some people feel e-bikes are an undervalued sustainability...
Boeing capsule returns from space station after test flight with no crew
Boeing's crew taxi returned to Earth from the International Space Station on Wednesday, nearly two-and-a-half years after its first botched attempt. The Starliner mission moves NASA closer to a new option for rides to and from the...
TUESDAY 24. MAY 2022
Underwater rescue: Spanish divers free whale trapped in illegal fishing net
In a gripping underwater rescue, Spanish divers freed a 12-metre long humpback whale that became entangled in an illegal drift net off the Balearic island of...