Supervoids vs Colliding Universes

Could the mysterious Cold Spot found in the CMB be the result of a collision with a bubble universe? Try 23andMe at

[CORRECTION: The calculated ISW cooling from cold spot observed voids is 0.000032 Kelvin not 0.032 K as is listed on screen, the actual cold spot temperature differential is 0.000150 Kelvin not 0.15 K, and the actual ISW cooling from the control region is 0.000014 Kelvin not 0.014 K. The actual control region temperature differential is 0.000015 Kelvin not 0.015K. Thanks to Chris Morong for catching this discrepancy!]

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