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How different were galaxies in the early universe?

An array of 350 radio telescopes in the Karoo desert of South Africa is getting closer to detecting the “cosmic dawn” — the era after the Big Bang when stars first ignited and galaxies began to bloom.

Published: 12 Apr 2023

Cutting down on social media to improve teens and young adults’ body image  

Teens in North America are spending several hours per day on screens, and there’s growing concern over how social media may affect their mental health.

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Published: 5 Apr 2023

What areas should Canada protect to save species at risk of extinction? 

At the recent COP 15 conference in Montreal, Canada committed to protecting 30% of its land by 2030, but which areas are most crucial to protect for at-risk species such as the spotted turtles?

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Published: 5 Apr 2023

From sex education to online misinformation

McGill University is pleased to announce the winners and runners-up of the 2023 Principal’s Prize for Public Engagement through Media. The Prize was created to recognize outstanding achievement among those who share their knowledge on a vast range of subjects with the public and the media.

Published: 29 Mar 2023

Does immigration really increase crime?

Many people who oppose immigration say that it increases crime. But does immigration really affect crime? Studying a country whose proportion of migrants has tripled in less than ten years, researchers find immigration significantly impacts people’s perceptions of crime but has no effect on actual crime.

Published: 29 Mar 2023

How the brain's 'internal compass' works

Scientists have gained new insights into the part of the brain that gives us a sense of direction, by tracking neural activity with the latest advances in brain imaging techniques. The findings shed light on how the brain orients itself in changing environments – and even the processes that can go wrong with degenerative diseases like dementia, that leave people feeling lost and confused.

Published: 22 Mar 2023

Towards reducing biodiversity loss in fragmented habitats

When natural habitats are cleared to make way for cities, roads and agriculture, this often leaves behind “islands” of fragmented habitat that can place species at risk of extinction. Species are at risk when they find it hard to move among habitat patches to find resources and reproduce.

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Published: 22 Mar 2023

Fresh produce contaminated with toxic BPA-like chemicals found in food labels, study finds

Steps were taken in Canada to reduce the use of Bisphenol A (BPA), a toxic chemical linked to prostate and breast cancer, commonly found in plastics, the lining of food cans, water bottles, and paper receipts. But in many cases, it has been replaced with similar hormone disrupting chemicals, like Bisphenol S (BPS).

Published: 16 Mar 2023

The first known visual acuity chart in Inuktitut, Cree, and Ojibwe

A large majority of Nunavik Inuit report Inuktitut as their first language. In their work in Puvirnituq, McGill University ophthalmologist Dr. Christian El-Hadad and his colleague Shaan Bhambra, a recent graduate of McGill’s medical school, noticed that many patients either read only, or mainly, Inuktitut. This made visual acuity testing using the standard Latin alphabet chart difficult for some patients.

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Published: 14 Mar 2023

Teaching hope during the climate crisis

Headlines about severe climate events can make the future seem bleak.

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Published: 14 Mar 2023

Genes shed light on why men and women experience different depression symptoms

Depression is widely reported to be more common in women than in men, with women twice as likely to receive a diagnosis than men. 

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Published: 14 Mar 2023

World’s most comprehensive study on COVID-19 mental health

COVID-19 has taken a relatively limited toll on the mental health of most people around the globe, according to a paper published today in the BMJ by a McGill University-led research team involving collaborators from McMaster University, the University of Toronto, and other institutions.

Published: 8 Mar 2023

Working to break down barriers for Black scholars

Recent events, including the murder of George Floyd and the COVID-19 pandemic, have drawn global attention to the reality of inequities in health care, the justice system, and higher education that disadvantage Black people. Reports show Black scholars face more barriers as they move up the research career ladder.

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Published: 28 Feb 2023

Socioeconomic factors play a role in detection, transmission and treatment of HIV

Those living in unstable housing conditions, such as hostels or informal dwellings and those who had not completed post-secondary studies were more likely to contract HIV in South Africa, according to a new study from McGill University.

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Published: 28 Feb 2023

Planes, trains, automobiles: How do older Canadians get around?

As we age, access to transportation becomes even more crucial, as it enables us to remain connected to social networks, maintain mental and physical health and reduce social isolation. In order to address this issue, the City of Montreal announced that public transit will be free for seniors starting in July.

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Published: 28 Feb 2023

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