May 2021 | Letter from the Directors

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Unlike the cicadas who go pretty much unnoticed during their time underground, EPL staff have been quite visible over the last year as they turn datasets acquired pre-pandemic into publications. As is typical of the work pursued by EPL scientists, the discoveries range from the deep Earth to distant stars.


What causes the deep Earth’s most mysterious earthquakes?


The cause of Earth’s deepest earthquakes has been a mystery to science for more than a century, but a team of Carnegie scientists may have cracked the case.


Former Director Linda Elkins-Tanton elected to the National Academy of Sciences

Linda Elkins-Tanton and her fieldwork team pose in front of columnar basalt from the Siberian flood basalts on an island in the Angara river.

In April 2021, Linda Elkins-Tanton, former director of the Carnegie Science Earth and Planets Laboratory (EPL), was elected to the National Academy of Sciences. Being elected to the Academy is among the highest honors a scientist can achieve. 


FAQ: Your diamond questions answered!

What can diamonds tell us about the Earth?

On April 29, 2021, Dr. Graham Pearson let us in on the secrets of diamond science. As always, our Neighborhood Lecture guests asked great questions, and we tried to answer as many as we could—but we couldn’t get to everything! Below, we've selected and answered some of our favorite questions from that evening.


Shaunna Morrison uses data science to unravel mineralogical mysteries

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Shaunna Morrison is a restaurant owner turned mineralogist who works at the Earth and Planets Laboratory as a Carnegie Research Scientist and the Co-Director of the 4D (Deep-time Data Driven Discovery) Initiative


Earth and Planets Laboratory’s Top Questions in Petrology, Mineralogy, and Mineral Physics

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In this article, our petrologists, mineralogists, and mineral physicists have highlighted six questions that we’re working on so that we can better tell the story of our planet.