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NASA’s Curiosity Mars rover took this selfie in 2020, after drilling a rock sample from a spot nicknamed “Mary Anning.” After years of extensive analysis, the sample has revealed the greatest diversity of organic molecules ever found on Mars. (NASA/JPL-Caltech/MSSS)

Did NASA’s Curiosity rover find signs of ancient life on Mars? An astrobiologist explains how we determine ‘life’

Study of extreme environments on Earth, along with exploration of the lifeless surface of the moon, can help us understand what life on Mars might look like.
Beyond physical functioning, erectile difficulties can impact sexual confidence, self-esteem, relationship satisfaction and quality-of-life. (Freepik)

Erectile disorder: How science is moving beyond viagra

Erectile dysfunction treatment has long relied on self-reporting and a narrow set of treatment options. Advances support an increasingly personalized, data-driven and patient-centred care model.
A recent report from Canada’s auditor general finds that reforms to the International Student Program failed to meaningfully improve oversight and program integrity. THE CANADIAN PRESS/Chris Young

Cash cows, scapegoats — and now global talent: Asian international students want to be seen for who they are

A transactional approach to including international students risks Canadians never getting to know the people who come to study with their full and complex lives.
Entrepreneurship is widely celebrated, but its hidden costs are often borne at home by partners whose labour and well-being go uncounted. (Getty Images/Unsplash+)

When a spouse starts a business, the other partner pays a hidden price

Researchers followed hundreds of British couples for three decades to ask: What happens to the spouse who doesn’t choose startup life, but has to live it anyway?
The monument dedicated to the victims of the Chernobyl disaster stands in front of a large dome installed over the exploded reactor at the Chernobyl nuclear plant, Chernobyl, Ukraine. (AP Photo/Efrem Lukatsky)

Forty years after the Chernobyl disaster, its legacy still resonates

The nuclear incident at Chernobyl spread radiation across Europe and led to political changes that played a role in the collapse of the Soviet Union.
Sedentary activities are those of very little or no movement and include sitting, lying down and standing. Standing for long periods has a similar effect on metabolism as sitting. (Unsplash+/Curated Lifestyle)

Not getting enough physical activity may be harming your health: Here’s what being sedentary does to your body

From a biological perspective, being inactive is more than the opposite of being active. Being sedentary results in unique physiological changes that can lead to a variety of health risks.
More often than not, parenting is framed as a choice between fixed styles, but evidence from both human and primate research suggests effective parenting is flexible and responsive to context. (Unsplash)

The way primates parent their young shows how strict labels like parenting styles miss the mark

For effective child-rearing outcomes, parenting should not be seen as fixed styles — authoritative or permissive — but as a flexible, adaptive process shaped by environment.
Prime Minister Mark Carney walks with Liberal MPs Tatiana Auguste, left, Danielle Martin and Doly Begum as they make their way to a meeting of the Liberal caucus in Ottawa on April 15, 2026. THE CANADIAN PRESS/Justin Tang

Mark Carney’s new majority government should spark renewed calls for electoral reform

Canadians should push for more than immediate byelections after floor crossings to strengthen the country’s democracy — they should turn their attention once again to broader electoral reform.
Canada already has targeted tools for food affordability. A public grocery chain would be a far more expensive way to help far fewer people. (AP Photo/Jenny Kane)

Public grocery stores won’t fix Canada’s food affordability crisis

The idea of government-run grocery stores is gaining traction in Canada and the United States. But evidence suggests the costs would be steep and the benefits poorly targeted.
The pandemic created a real-world stress test for schools. Students in an elementary school get ready for class in Montréal in January 2022. THE CANADIAN PRESS/Paul Chiasson

What Canada, the U.K. and other G7 nations learned about building resilient education systems during the COVID‑19 pandemic

Lessons from the pandemic show resilience requires targeted learning support, mental health investment, strong data systems and thoughtful digital strategies.
Alberta Premier Danielle Smith speaks about introducing three new bills to do with transgender issues in Edmonton, on Oct. 31, 2024. THE CANADIAN PRESS/Jason Franson

Is Alberta really ‘following the science’ on trans healthcare?

As Alberta shields its ban on youth gender-affirming care from legal challenge, new research raises urgent questions about the real-world consequences of restricting access.