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Letters and Science

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The Earth gradually becoming whiter.
Photo Credit
Matt Perko
On its own, Earth would shift toward another ice age in about 10,000 years, scientists say. But humanity’s greenhouse gas emissions may have radically shifted the climates trajectory.

Scientists match Earth’s ice age cycles with orbital shifts

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The Art of Research

Save the Whales

Learning From History

Et Tu, E. Coli?

Diving with the Sharks

Heavy Metal