Science Matters archives

  • Photo: Human hormones mess with male fish

    Human hormones mess with male fish

    October 19, 2007

    Most people alive today were born after 1950. To these people, our modern world is just the way things have always been. Imagining life without TV, radio, telephones and the... More »

  • Photo: How much is a tomato worth?

    How much is a tomato worth?

    October 12, 2007

    Recently a column appeared in my local Vancouver Sun newspaper about the trend of eating locally grown food. The author began by describing some municipal initiatives to encourage growing local... More »

  • Photo: Thanksgiving an important seasonal ritual

    Thanksgiving an important seasonal ritual

    October 5, 2007

    I love celebrations that serve to remind us about important aspects of our lives. Mother's Day and Father's Day celebrate two of the most important people in our lives... More »

  • Photo: Can't rely on captive breeding to save species

    Can't rely on captive breeding to save species

    September 26, 2007

    One of the methods often proposed to save endangered species is to breed the threatened animals in captivity and then release their offspring back into the wild at a later... More »

  • Photo: Species loss weakens entire ecosystems

    Species loss weakens entire ecosystems

    September 21, 2007

    The World Conservation Union recently released its annual Red List of endangered species. For 2007, another 200 species were added to the existing list of over 16,000. But what many... More »

  • Photo: Biofuels not necessarily all that green

    Biofuels not necessarily all that green

    September 14, 2007

    Earlier this year, when I crossed our great country to talk to Canadians about environmental issues, some media pundits took issue with our vehicle of choice — a diesel bus.... More »

  • Photo: Respect for nature has to start at home

    Respect for nature has to start at home

    September 7, 2007

    One of the refrains I often hear is about how we have to educate our kids in schools to be more environmentally responsible. It's too late for us, they say.... More »

  • Photo: Get outside - it's good for you

    Get outside — it's good for you

    August 31, 2007

    When your mom told you to go outside and play — she really did know what was best for you. Just being outdoors or having access to the natural world... More »

  • Photo: Classification determines conservation efforts

    Classification determines conservation efforts

    August 24, 2007

    Are you a lumper or a splitter? Well, that depends on how you define a species. And how we define species has direct implications on our ability to protect them.... More »

  • Photo: Warming may change the nature of the food we eat

    Warming may change the nature of the food we eat

    August 16, 2007

    Canadians are a well-fed bunch. We do not generally have to worry about our food supply. For most of us, it's just a matter of heading to the nearest grocery... More »