This period of time was when dinosaurs first evolved. The continents we live on today were part of one land mass that scientists call Pangaea. The climate was hot and dinosaurs flourished after the ...
Fossils occur only rarely, are often hard to find, and are usually a challenge to understand. But they are important clues that can help us unlock the secret of our planet's past. Study and learn ...
In the FRONTLINE documentary Alaska’s Vanishing Native Villages, residents of a coastal Alaska Native community called Hooper Bay confront a dilemma. Their way of life relies in part on harvesting ...
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