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Elizabeth Kolbert
$17.99
4 hours 30 minutes
Americans have been warned that the buildup of carbon dioxide in our atmosphere threatens to melt the polar ice sheets and irreversibly change our climate. The question is what can be done?
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Dr. Gordon Brittan
$12.99
3 hours
Isaac Newton (1642-1727) achieved momentous breakthroughs in three areas: mathematics (the calculus), a theory of colors, and gravitational attraction. His first insights in each of these areas occ...
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Robert Murray
$5.49
1 hour
A+ Audio is the innovative audio study guide series that will help you better understand, appreciate, and enjoy great works of literature.
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Jack Arnold
$12.99
3 hours
Astronomy is perhaps the oldest science. The ancients saw cosmic meanings in the stars, and they organized their lives around lunar and solar cycles (i.e. the month and year). They also observed th...
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