Taxonomy term

geologic time

Geomedia: Books: To Tiktaalik and beyond

In 2008, Neil Shubin penned the terrific, “Your Inner Fish: A Journey into the 3.5-Billion-Year History of the Human Body,” in which he explored the stories of deep time as they are written in the details of our bodily architecture. As both a professor of anatomy and the paleontologist who discovered Tiktaalik, a transitional fossil between fish and amphibians, Shubin was ideally positioned to tell this tale.

18 Feb 2015

Witnessing geology in action: A rockfall in the garden of the gods

In lieu of doing a "year in review" issue this year, EARTH asked our staff and some frequent contributors to write a short commentary on something that grabbed their attention in 2013. We gave everyone carte blanche. What follows is a collection of extremely varied, often very personal insights into how the planet impacted each individual. In this commentary, EARTH's roving reporter Mary Caperton Morton muses on on how witnessing a rockfall made her think about geologic time.

21 Nov 2013

Redefining Quaternary

Blogging on EARTH

The Quaternary Period — the geologic time period that includes human evolution up to the present — is now a bit longer than it used to be.

04 Jun 2009