Dr. Michael Koehle
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A new UBC study reveals that the brighter the orange on a male guppy, the more virile it is, solving a long-standing evolutionary puzzle about their flashy colours.
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Is it safe to exercise in extreme heat and smoky skies?
Dr. Michael Koehle, a sport and exercise medicine professor, discusses how to tell if it’s safe to exercise outside and what to do when conditions become extreme.
