Explore the Birch Lecture delivered by Gerald Schubert at the AGU Fall Meeting 2002 in this 58-minute presentation. Delve into cutting-edge geophysical research and insights shared by a renowned expert in the field. While the video quality may be affected due to the age of the original file, the content remains valuable for those interested in Earth and space sciences. Gain knowledge from this historical lecture that continues to offer relevant information for geoscientists, researchers, and students alike.