11. How do we track publisher sales activity? Publishers can be identified by their publisher ID, which is used in tracking cookies to determine which publishers generate sales. The activity is then viewed within a network's dashboard.
New analysis of Apollo Moon samples finally settles debate: « For decades, scientists have argued whether the Moon had a strong or weak magnetic field during its early history (3.5 - 4 billion years ago). Now a new analysis shows that both sides of the debate are effectively correct. »
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