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A new study by University of Alberta biologists shows black bear populations are lowest on Crown land and most dense on national park land, followed by private land, highlighting issues for management and conservation efforts.

The polar vortex, a swirl of low-pressure air six miles up in the atmosphere, blasted much of the American Midwest and Northeast in late January 2019 with temperatures cold enough to bring on frostbite within minutes.

Not only does Canada continue to have a problem with fish mislabelling, but that problem persists throughout the supply chain, according to a first-ever study by University of Guelph researchers.

Green plants capture light that spans the visible solar spectrum, and while a broad spectral range is required for sufficient absorption, the process requires energy to be funneled rapidly and efficiently downhill to drive charge separation and water splitting.

Finding new and environmentally friendly ways to control pests is both challenging and exciting.