Science Matters archives

  • Photo: At home with nature

    At home with nature

    July 25, 2008

    Life is believed to have arisen on Earth some four billion years ago. DNA probes reveal that humans originated as a species in Africa some 150,000 years ago, which makes... More »

  • Photo: B.C.'s biodiversity is important for all of Canada

    B.C.'s biodiversity is important for all of Canada

    July 18, 2008

    One of my proudest moments came in 1992 at the inaugural Earth Summit in Rio de Janeiro, Brazil. Along with UN Framework Convention on Climate Change (which in turn led... More »

  • Photo: When good elements go bad

    When good elements go bad

    July 11, 2008

    If you've been following news about the upcoming Beijing Olympic Games, you may have seen photos of thousands of workers trying to clean huge swaths of algae from the waters... More »

  • 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 »