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Searched for: Source is DLESE
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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 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...
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...
New evidence contradicts a claim by a British team to have found 40,000-year-old human footprints in a Mexican quarry in July 2005. This radio broadcast reports on findings that the volcanic ash layer the footprints...
This radio broadcast explores the history of and evidence for the Aquatic Ape Hypothesis (AAH), an idea about human evolution developed 45 years ago by Sir Alister Hardy. The origin of physical characteristics that set...
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