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The microbiome functions as an ‘invisible organ’ but it often makes its presence known by emitting sounds and smells. (Shutterstock)

The nose knows: How microbiomes and the smells they produce help shape behaviour in bugs, birds, beasts and humans

The microbiome and its signature smells are crucial for most organisms, whether human, insect or plant. The silent signals sent by the microbiome are essential communications that influence behaviour.
Sexual and gender-based violence can seem like an insurmountable problem, but interdisciplinary thinking encourages creative approaches to social change. Queen’s University students in Kingston, Ont., protest sexual assault on campuses in September 2021. THE CANADIAN PRESS/Lars Hagberg

How students are developing solutions to the problem of campus sexual and gender-based violence

Faculty and university staff are embedding training to prevent gender-based and sexual violence into curricular goals of both arts and STEM classes.
An ethicist calls the government’s decision to not support a search for murdered Indigenous women immoral. Pictured here is a protest to support the search in Winnipeg. (THE CANADIAN PRESS/John Woods)

A moral argument to search the landfill in Winnipeg for murdered Indigenous women

Manitoba’s provincial government has declined to support a search for three murdered Indigenous women, citing health and safety concerns. An ethicist explains why this decision needs to be rethought.
In the Youth Participatory Action Research program, Black youth take action on issues affecting their lives alongside receptive adults willing to act to support their ideas. (Allison Shelley/The Verbatim Agency for EDUimages)

Voices of Black youth remind adults in schools to listen — and act to empower them

A leadership program for Black youth sees students participate in research related to their communities and education to propose solutions to issues that affect their lives.
While zuranolone represents an exciting advance in the treatment of postpartum depression, many questions about its potential impact remain unanswered. (Shutterstock)

Zuranolone for postpartum depression: Hope, hype or both?

Amid the fanfare about a new medication for postpartum depression, it’s important to remember that PPD is underdiagnosed and undertreated, and that safe and effective treatments already exist.
Researchers found a surprising twist in a study of Omicron infection in older adults. The new information highlights the importance of COVID-19 vaccine booster shots. (Shutterstock)

COVID-19 vaccine boosters are the best defence: Older adults shouldn’t rely on previous infection for immunity

We still have much to learn about many aspects of COVID-19 — including its lingering health effects and the mechanics of its endless mutations — but we do know one thing: we can’t let our guard down.
Saskatchewan Premier Scott Moe, centre, speaks to media during the closing news conference at the Council of the Federation of Canada’s premiers in Winnipeg in July. THE CANADIAN PRESS/John Woods

Saskatchewan naming and pronoun policy: The best interests of children must guide provincial parental consent rules

Elected officials must consider relevant research and legal context when shaping education policies. Otherwise, they risk destabilizing classrooms and harming students.
People march to remember those who died during the drug poisoning crisis on International Overdose Awareness Day, in Vancouver, on Aug. 31, 2021. THE CANADIAN PRESS/Darryl Dyck

Decriminalization: How police drug seizure, even without arrest, can create harms

A police policy of not making arrests for simple possession is a way to essentially decriminalize personal drug use. However, confiscating drugs — even without arrests — can be harmful in many ways.

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