- Feb 5, 2002
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A fascinating new discovery offers “tantalizing” evidence for the origin of multicellular development in life on Earth.
It seems related to something that had perhaps never happened before, and certainly has never happened since: a near-total collapse of the Earth’s magnetic field.
650 million years ago, there was little going on across the Earth worth writing about, but shortly after, when multicellular life did begin to emerge and diversify in a period known as the Edicarian, it started within a 26 million-year window of time when the Earth’s magnetic field plummeted to one-thirtieth its current strength.
Continued below.
www.goodnewsnetwork.org
It seems related to something that had perhaps never happened before, and certainly has never happened since: a near-total collapse of the Earth’s magnetic field.
650 million years ago, there was little going on across the Earth worth writing about, but shortly after, when multicellular life did begin to emerge and diversify in a period known as the Edicarian, it started within a 26 million-year window of time when the Earth’s magnetic field plummeted to one-thirtieth its current strength.
Continued below.
An Ancient Collapse of Earth’s Magnetic Field Led to Multicellular Animals Emerging
Generated by the molten iron core of Earth, the magnetic field is essential for life on Earth, protecting against radiation coming off the Sun
www.goodnewsnetwork.org
