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Cyclists may be right to run stop signs and red lights. Here’s why

Interactions between different users on roads are often a source of frustration, the most prominent being those between motorists and cyclists.

The Conversation · Nov 4, 2025

Seen a jellyfish off the dock? You’re not imagining things — they’re increasingly in our lakes

As a lake researcher, I have in recent years had quite a few people ask me whether jellyfish really do live in lakes. Some people think they are seeing things, or that their friends or family are. I’ve even heard of marital spats over the issue! So, are jellyfish present…

The Conversation · Oct 31, 2024

To truly understand the health of a lake, you must look well beyond its shoreline

On the surface, most of Canada’s lakes and rivers look pristine. But below the surface, many are facing essential challenges to their health. Why? To better understand the health of Canadian lakes and rivers, we must look beyond the site itself to the whole watershed.

The Conversation · Oct 21, 2024

Lakes don’t sleep in winter! There’s a world living under ice

In cold-winter regions where air temperatures remain below zero, a layer of ice blankets lakes for several months.

The Conversation · Aug 21, 2024

Our lakes are teeming with parasites. Why that’s good…and bad

If you’re a fishing enthusiast, you may have already noticed abnormalities or parasites in the wild fish you catch. In fact, the fish we commonly find in our lakes, such as bass or trout, harbour several species of parasites. Although parasites are a natural part of ecosystems, their presence can…

The Conversation · Aug 7, 2024

Groundwater plays an invisible role supporting lakes

Nearly 90 per cent of North America’s lakes are located in Canada. That’s why they make up such an enormous part of our landscape. Among their many vital functions, lakes are essential to the biodiversity of our territory and constitute indispensable oases for rest and relaxation.

The Conversation · Aug 1, 2024

When fighting invasive aquatic plants, choose your battles

Many lakes in North America are affected in varying degrees by invasive alien plants.

The Conversation · Jul 31, 2024

To address the growing issue of microplastics in the Great Lakes, we need to curb our consumption

You would be hard-pressed to find a corner of the world free from microplastics, plastic particles measuring less than five millimetres. They contaminate our drinking water, accumulate in the food we eat and have been found in the human body, including in blood, organs, placenta, semen and breast milk.

The Conversation · Jul 24, 2024