One Colorado storm in 2013 caused hundreds or thousands of years' worth of mountain erosion. This is causing a rethink on the power of catastrophic events.
An undersea volcano near the Cook Islands was observed to grow and shrink rapidly in a fortnight, rivaling the rapid changes in Vesuvius and Mt. St. Helens.
A pair of geologists found a paradox in a paradigm. That paradigm is the belief that ancient ocean levels rose and fell in cycles as ice sheets retreated and advanced, and the cause of the cycles was periodic changes in earth’s orbit. They modeled this process and couldn’t get it to work. They couldn’t get […]
One of the most formative ideas in Darwin’s intellectual journey was the concept of gradualism, the principle of “small agencies and their cumulative effects.” This idea became a dominant motif in his philosophy of life. Describing how the assumption of gradualism permeated his last book (on earthworms) shortly before his death, Janet Browne, in her […]