33: A Thin Line
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What are the oldest disputed fossils on Earth? Why are they disputed?Today, we wrap up our tour of Nuvvuagittuq in northern Quebec, 3.8 billion years ago, March 3rd on the Earth Calendar. In 2017, microscopic rusty threads were discovered inside these rocks, thinner than a human hair. Were they bacteria, or something else entirely? Stay tuned to find out! Extra Credit: Learn how to make a chemical garden, or find a piece of chert, flint, jasper, agate, or onyx.
33: A Thin Line