This Web companion to the Public Broadcasting Service (PBS) television series features essays, video clips, and special interactive features that explore the story of life on Earth. Additional features include an...
In 1996, US entrepreneur and explorer Gary Comer took his small boat through the Northwest Passage in 19 days, a route that had once been ice, but was now easily navigated open water. This radio broadcast weighs up the...
In this lesson, students make daily observations of temperature, sky conditions, wind speed and direction, and precipitation type and amount, and record their observations in a log book. They will also compare their...
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