Professor Mark Harrison of the University of California, Los Angeles, is a geochemist and geochronologist whose interests and contributions span a broad range, including, but not limited to, present-day tectonics of the Himalayas and Tibet, the na...

Philip England recognizes that the goal of science is to understand nature’s processes, the essence of understanding is the ability to predict from general conditions, bringing understanding to Joe Sixpack requires simplicity, and simple und...

Sam Bowring’s expertise as a field geologist, his enormous breadth of knowledge, and his unwavering pursuit of the highest possible precision and accuracy in ­­­uranium-­­­lead geochronology has transformed our understanding of the time when...

Many would agree that the recognition of plate tectonics has been the most significant development in the geosciences since Darwin and Wallace proposed evolution by natural selection. Reduced to its essence, plate tectonics includes seafloor sprea...