New fallout from 'the collision that changed the world'

When the landmass that is now the Indian subcontinent slammed into Asia about 50 million years ago, the collision changed the configuration of the continents, the landscape, global climate and more. Now a team of Princeton University scientists has identified one more effect: the oxygen in the world’s oceans increased, altering the conditions for life.

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Here’s a good primer on the 3-way Milankovitch Cycles…
http://www.indiana.edu/~geol105/images/gaia_chapter_4/milankovitch.htm

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