The SciencesJuly 1, 2005
Probing the Geodynamo
Scientists have wondered why the polarity of Earth's magnetic field occasionally reverses. Recent studies of fer intriguing clues about how the next reversal may begin
Stories by Peter Olson
Probing the Geodynamo
Scientists have wondered why the polarity of Earth's magnetic field occasionally reverses. Recent studies of fer intriguing clues about how the next reversal may begin