Content tagged “economy”

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  • At home with nature

    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 »

    Science Matters

  • How much is a tomato worth?

    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 »

    Science Matters

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