Science Matters archives

  • Photo: Let's clear the air on carbon taxes

    Let's clear the air on carbon taxes

    July 4, 2008

    I admit: we aren't 100 per cent sure that human activity is causing global warming. So let's all go home in our SUVs and join an "axe the tax" campaign.... More »

  • Photo: What a difference 50 years makes

    What a difference 50 years makes

    June 27, 2008

    Last month, I attended the 50th anniversary of my college graduation. A week later, I celebrated my grandson's graduation from high school. I don't think I was much different from... More »

  • Photo: Growing alternatives in the rainforest

    Growing alternatives in the rainforest

    June 20, 2008

    Recent photos of an "uncontacted tribe" of Amazon Indians on the border between Peru and Brazil have reminded us once again of how much we still have to learn about... More »

  • Photo: The macaw, the toucan, and the manduvi

    The macaw, the toucan, and the manduvi

    June 13, 2008

    No matter how much I learn about nature, I never cease to be amazed by its mystery and complexity. That point really struck me in light of a recent study... More »

  • Photo: A nuclear reaction

    A nuclear reaction

    June 6, 2008

    One could be forgiven for thinking we've overcome the problems associated with nuclear power. Everywhere you turn, nuclear is being touted as a "green" energy source and a solution to... More »

  • Photo: Ride a bike and save the world

    Ride a bike and save the world

    May 30, 2008

    "Every time I see an adult on a bicycle, I no longer despair for the future of the human race." — H.G. Wells Science has had a tremendous impact on... More »

  • Photo: Polar bears walking on thin ice

    Polar bears walking on thin ice

    May 23, 2008

    Last week, the U.S. government listed the polar bear as a threatened species under its Endangered Species Act. The U.S. Interior Department made the decision under pressure, including legal petitions,... More »

  • Photo: Message in a Bottle

    Message in a Bottle

    May 16, 2008

    The water that comes out of most city taps in Canada is pretty clean. Yet many people prefer to spend money on bottled water, believing that it is somehow safer.... More »

  • Photo: Little bug, big problem

    Little bug, big problem

    May 9, 2008

    Human beings are obsessed with size. We want bigger cars and bigger houses, and, of course, men want bigger you-know-whats. But big isn't everything. A tiny insect about the size... More »

  • Photo: Bearing down on grizzlies

    Bearing down on grizzlies

    May 2, 2008

    Years ago, I was surprised to learn that a grizzly bear is protected in the United States, but if it walks across the border into British Columbia, it can be... More »