October 17, 2018June 10, 2020 BJ Deming

Guest Video: Redwood National Park

September 16, 2018September 8, 2022 BJ Deming

Guest Videos: The Jemez Volcanic Field of New Mexico

September 15, 2018April 1, 2021 BJ Deming

Guest Video: Lion Cubs

August 25, 2018April 1, 2021 BJ Deming

Guest Videos: Thomas Condon and the John Day Fossil Beds

July 22, 2018July 13, 2018 BJ Deming

Update

July 14, 2018April 1, 2021 BJ Deming

Guest Video: Discoverers of Earth’s Deep Layering

May 12, 2018April 1, 2021 BJ Deming

Guest Video: The Diatomist

May 9, 2018 BJ Deming

A Housekeeping Note

April 11, 2018April 1, 2021 BJ Deming

Guest Video: Saharan Desert Glass

March 14, 2018April 1, 2021 BJ Deming

Guest Video: “I Made Iron From A Rock”