15 for 2015: The Year in Research News at Caltech

Here are 15 stories highlighting a few of the discoveries, methods, and technologies that came to life at Caltech in 2015.

Developing a Picture of the Earth's Mantle

A team led by Caltech's Jennifer Jackson, professor of mineral physics has new evidence for the origin of features that occur at the core-mantle boundary.

The Interface of Earth and Atmosphere: An Interview with Christian Frankenberg

An interview with Christian Frankenberg, an atmospheric and biogeoscientist and one of the most recent additions to the Caltech faculty.

New Jenkins Leadership Chair Is a Tribute to Exploration

Ted (BS ’65, MS ’66) and Ginger Jenkins—longtime Caltech supporters and early employees in the semiconductor industry—have established a leadership chair for the Division of Geological and Planetary Sciences (GPS).

Tracking Down the "Missing" Carbon From the Martian Atmosphere

Caltech and JPL researchers identify a process involving UV light from the sun that helps explain how a moderately dense martian atmosphere 3.8 billion years ago could have evolved into the current thin one without invoking a missing carbon reservoir.

Schools Help Researchers Understand Quakes

A new collaboration between seismologists at Caltech and local public schools helps Los Angeles prepare for the "big one."

Elachi to Retire as JPL Director

Charles Elachi has announced his intention to retire as director of the Jet Propulsion Laboratory on June 30, 2016 and move to campus as professor emeritus. A national search is underway to identify his successor.

Probing the Mysteries of Europa, Jupiter's Cracked and Crinkled Moon

Using data from the W. M. Keck Observatory's OSIRIS spectrometer and maps from NASA's Galileo probe, researchers have mapped what may be salt deposits from the ocean below the ice onto the Jovian moon's surface.

Cassini Begins Its Final Act: A Conversation with Charles Elachi

In September, the NASA/JPL Cassini mission began the last two years of the Solstice Mission. We recently spoke with JPL director Charles Elachi to gain his unique perspective on Cassini's achievements—and what will come next.

Taking Dinosaur Temperatures with Eggshells

A team of Caltech researchers has measured the body temperatures of a wide range of dinosaurs, providing insight into how the animals may have regulated their internal heat.

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