James Day

Dr. Day’s research interests include isotope geochemistry, cosmochemistry, petrogenesis of igneous and metamorphic rocks, planetary dynamics and geodynamics and planet formation and accretion.

Fragment of the NWA7397 meteorite found in the Sahara desert on 2012

Natural Science

Meteorites from Mars

Meteorites that come from Mars help scientists understand the red planet’s interior.

Editors' Picks

Arts & Culture

James Baldwin and Nikki Giovanni in Conversation

In 1971, two legends of Black letters discussed Black manhood, white racism, the role of the writer, and the responsibility to teach.

Science & Technology

Can We Build a Better Facebook?

Is it time to turn our back on Facebook? And if so, what social network could possibly replace it?

Science & Technology

The Anatomists of Ancient Alexandria

Cultural forces under the Ptolemaic dynasty briefly allowed scholars like Herophilus to practice dissection—and possibly vivisection—on human subjects.

Politics & History

The Genocide Before the Shoah

For a century, Jews in Turkey have maintained a strategic silence when it comes to recognizing the Armenian genocide. Could that be changing?

Politics & History

Wilhelm Reich: Twice Burned

A psychoanalyst and physician, Reich fled the Nazis only to be detained by the US as an “enemy alien” during World War II. And then came the sexual revolution.

James Day

Meteorites from Mars

Support JSTOR Daily