4 min

Earth's Magnetic Field Initiated a Pole Flip Many Millennia before the Switch Science, Quickly

    • Science

Lava flow records and sedimentary and Antarctic ice core data show evidence of planetary magnetic field activity 20,000 years before the beginning of the last pole reversal.



Learn more about your ad choices. Visit megaphone.fm/adchoices

Lava flow records and sedimentary and Antarctic ice core data show evidence of planetary magnetic field activity 20,000 years before the beginning of the last pole reversal.



Learn more about your ad choices. Visit megaphone.fm/adchoices

4 min

Top Podcasts In Science

Hidden Brain
Hidden Brain, Shankar Vedantam
Something You Should Know
Mike Carruthers | OmniCast Media | Cumulus Podcast Network
Radiolab
WNYC Studios
Ologies with Alie Ward
Alie Ward
StarTalk Radio
Neil deGrasse Tyson
Reinvent Yourself with Dr. Tara
Dr. Tara Swart Bieber

More by Scientific American

Science Talk
Scientific American
Science, Quickly
Scientific American
60-Second Tech
Scientific American
60-Second Health
Scientific American
60-Second Mind
Scientific American
60-Second Space
Scientific American