Earth Science

A new-to-us mineral

Reto Gieré of the School of Arts and Sciences and colleagues say the new mineral, isolated from a sample of igneous rock in central Madagascar, may help immobilize nuclear waste.

Jacob Williamson-Rea

Media Contact

In the News

Atlas Obscura

Found: A 5.5-Million-Year-Old Ancestor of the Red-Eared Slider

Penn student Steven Jasinski found the remains of Trachemys haugrudi, an ancestor of the red-eared slider turtle, suggesting a “once greater diversity” of turtles than today.


Inside Science

Biodiversity in the Oceans Exploded After Dinosaurs Fell

Lauren Sallan of the School of Arts and Sciences offered commentary on the diversification of marine life in the period following the end-Cretaceous mass extinction.