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Science + Tech – Articles, Analysis, Comment

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A rare find — a fossil of Stanleycaris hirpex with the nervous system preserved. (Jean Bernard Caron/Royal Ontario Museum)

Three-eyed Cambrian fossils shed new light on arthropod head evolution

The discovery of a fossil over 500 million years old reveals new information. Its brain and nervous system are remarkably preserved, filling in some gaps in what we know about arthropod evolution.
Companies develop AI to gain an advantage over their competition, but this results in flawed products entering the market. (Shutterstock)

Push for AI innovation can create dangerous products

Competition between corporations drives innovation and development. But when it comes to artificial intelligence systems, the prevention of harm should be more important.
Many caregivers were prevented from seeing and taking care of their loved ones in long-terms care homes during the COVID-19 pandemic. THE CANADIAN PRESS/Ryan Remiorz

Caregivers were traumatized by COVID-19 public health and long-term care policies

Family caregivers of residents in longterm care homes experienced a collective trauma as they were kept away from their loved ones during the pandemic. This isolation has long-ranging impacts.
While attending the G20 summit in Bali, Indonesia, Canadian Foreign Affairs Minister Mélanie Joly announced sanctions against Russia (Stefani Reynolds/Pool Photo via AP)

Russian propaganda is making inroads with right-wing Canadians

New research shows that at least half of Canadians have encountered pro-Kremlin propaganda online and that those who hold left-leaning views are less susceptible to the Kremlin’s disinformation.
Health-care workers in Toronto protest the Canadian truckers convoy last February that was against vaccine mandates. (Shutterstock)

Understanding why people reject science could lead to solutions for rebuilding trust

To communicate scientific findings that are relevant to the public, science communicators need to understand how to overcome attitudes that are anti-science.
Satellite imagery monitors environmental changes to inform agricultural decisions. Agricultural patterns are distinctly visible in this near-vertical false colour infrared photography of farmland south of Khartoum, Sudan. (JSC/NASA)

Space agriculture boldly grows food where no one has grown before

Technologies being developed for growing food in space have contributed to advances in agriculture and crops on Earth.
The proteasome is a cellular machine that chews up misfolded and unwanted proteins, and can promote cell death, making it an interesting target for cancer treatment. (Shutterstock)

How the cell’s waste management systems might be targeted to treat cancer

Faulty cellular waste management machinery can lead to cancer and neurodegenerative diseases, but researchers are also targeting this machinery to treat these diseases.
Exceptional high tides hit eastern Québec in 2010 and 2016. (Groupe Facebook Grandes Marées 2010)

Can scientists predict when the next exceptional high tide will occur along the St. Lawrence River?

Popular belief suggests the highest tides in the St. Lawrence River are reached around the equinoxes. In truth, they arrive close to the solstices.
Future transportation design should address inequality and not exacerbate it. (Shutterstock)

Sci-fi shows like ‘Westworld’ and ‘Altered Carbon’ offer a glimpse into the future of urban transportation

Moving around cities will change in the future as new technologies like self-driving cars gain wider adoption. Science fiction can give us a glimpse into these futures.
Smart technology is demonstrated on a farm in Newark, Mo. (Dilip Vishwanat/AP Images/U.S. Cellular)

The dangers of big data extend to farming

Big data from social media have been revealed as biased, but we should also pay attention to agriculture firms whose play for big data is likely to have detrimental environmental and social impacts.
More animals, including wolves, are shifting their patterns to adjust to human activity. (Thomas Bonometti/Unsplash)

Wolf culls change hunting habits and help caribou conservation

Woodland caribou populations are on the decline because human activity changes their habitat and exposes them to predation by wolves. But changing wolves’ hunting habits may protect the caribou.