Taxonomy term

Voices

Geologic Column: Proposing a new U.S. Holiday: Explorers' Day

October has two holidays that celebrate two individuals both heralded as the discoverers of the New World: Christopher Columbus and Leif Erikson. Perhaps it’s time for something new.

14 Oct 2016

Comment: Did life start on a snowball?

Somewhere toward the end of the Hadean, life emerged on Earth. Conventional wisdom suggests the Hadean was a hothouse, but what if instead it were a global icehouse? Could life still have emerged?

06 Oct 2016

Geologic Column: The notion of mantle plumes

EARTH’s feature on mantle plumes in the January/February issue reminded the author of his own evolving trip along the plate tectonic road.

01 Sep 2016

Geologic Column: Editia elegantis: A story of science, discovery and the elegance of a wife's contribution

A simple disagreement between the author's parents — one a graduate student and the other a young wife and mother — resulted in an article in the Journal of Paleontology and a collection in the Smithsonian National Musuem of Natural History. 

15 Aug 2016

Why is a gallon of gas cheaper than a gallon of milk?

The fundamental differences between milk and gasoline — shelf life and the scales of production, distribution and consumption — drive milk to cost more than gasoline.
07 Aug 2016

Geologic Column: The dog days of July

As months go, July has some distinctive qualities. In particular, it’s when the so-called dog days of summer begin. Today, we tend to think that dog days refers simply to the hottest part of summer, but the ancient civilizations of Europe had a more astronomically based understanding.

13 Jul 2016

Geoscience on Film: Innovation meets tradition for earthquake safety

Doug Prose and Diane LaMacchia have produced documentaries showcasing Earth and the geosciences since 1992. At work on a project delving into the complex interplay of tectonics, natural hazards and humanity in the Himalayan region, LaMacchia and Prose traveled to Nepal and Bhutan in June to investigate recovery and resilience in the aftermath of the 2015 Gorkha earthquake. Prose wrote about their recent experiences while there, and filed the following series of posts upon returning home.

11 Jul 2016

Geoscience on Film: Soaking in beautiful Bhutan

Doug Prose and Diane LaMacchia have produced documentaries showcasing Earth and the geosciences since 1992. At work on a project delving into the complex interplay of tectonics, natural hazards and humanity in the Himalayan region, LaMacchia and Prose traveled to Nepal and Bhutan in June to investigate recovery and resilience in the aftermath of the 2015 Gorkha earthquake. Prose wrote about their recent experiences while there, and filed the following series of posts upon returning home.

07 Jul 2016

Comment: What's a map worth? The big cost and bigger benefit of three-dimensional elevation data

The 3-D Elevation Program is a collaborative effort to share the costs of collecting three-dimensional elevation data over the entire U.S. over an eight-year period. The end goal is a fully three-dimensional elevation map of the entire U.S. and its territories.

30 Jun 2016

Geoscience on Film: The view from outside Kathmandu

Doug Prose and Diane LaMacchia have produced documentaries showcasing Earth and the geosciences since 1992. At work on a project delving into the complex interplay of tectonics, natural hazards and humanity in the Himalayan region, LaMacchia and Prose traveled to Nepal and Bhutan in June to investigate recovery and resilience in the aftermath of the 2015 Gorkha earthquake. Prose wrote about their recent experiences while there, and filed the following series of posts upon returning home.

29 Jun 2016

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