1
Published in 2013
What did Earth's continents and oceans look like 250 million years ago, or even 1 billion years ago? What do we know about the climate back when our planet formed? EarthViewer is like a time machine for exploring Earth's deep history. Based on the latest scientific research, it lets you scroll...
Grade Level   K 1 2 3 4 5 6 7 8 9 10 11 12
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2
Published in 2016
At least five times in Earth's history, environmental catasprophes have caused a majority of species to go extinct. These so called mass extinctions are potent examples of hwat can happen in the face of rapid environmental change. This book showcases the work of HHMI BioInteractive, including...
Grade Level   8 9 10 11 12
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