Science
Earth has a ‘pulse’ every 27.5 million years which brings eruptions and mass extinctions – Yahoo News Australia
Disastrous events including volcanic eruptions and mass extinctions seem to occur regularly – dictated by a ‘pulse’ that beats…

Do volcanic eruptions and mass extinctions come in a cycle? (Getty)
Disastrous events including volcanic eruptions and mass extinctions seem to occur regularly dictated by a pulse that beats every 27.5 million years, a new study found.
Researchers used…
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