These ancient seafloor microbes woke up after over 100 million years

Even after 100 million years buried in the seafloor, some microbes can wake up. And they’re hungry. An analysis of seafloor sediments dating from 13 million to nearly 102 million years ago found that nearly all of the microbes in the sediments were only dormant, not dead. When given food, even the most ancient microbes revived themselves and multiplied, researchers report July 28 in Nature.

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