Ancient tree tells chaotic tale of Earth’s magnetic field reversal

Pierre Van Zyltransfer

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We can learn a lot from studying the rings inside trees. The science of tree-ring analysis is called dendrochronology, and examining these markings can provide information about the tree’s age, whether it had been through any fires, or if it had endured any insect outbreaks. A tree’s rings can also give significant insight into what…

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