Posts by John Debacco
a study published in 2012 by a group from the German Research
a study published in 2012 by a group from the German Research Centre for Geosciences suggests that a brief complete reversal occurred only 41,000 year...
a study published in 2012 by a group from the German Research Centre for Geosciences suggests that a brief complete reversal occurred only 41,000 year...
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