3 ms·
Life boomed on Earth half a billion years ago. You can thank magnets.
- mypalmike 2y ago[flagged]
- sieabahlpark 2y ago[dead]
- jdmark 2y agohttps://www.sciencealert.com/life-blossomed-when-earths-magnetic-field-nearly-collapsed-590-million-years-ago https://www.sciencealert.com/life-blossomed-when-earths-magn...