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October 21, 2019
CE11 – Plate Tectonics: The Theory that Changed Earth Science
Xavier Le Pichon came to Lamont Geological Observatory in 1959 and spent four months aboard the R/V Vema as a physical oceanography technician. The research cruise set out to test the existence of the mid-ocean ridge system: a long chain of seismically active mountains running along the ocean floor.
September 23, 2019
Centennial E10 – Volcano Disaster Prepping
Many people have emergency kits packed to flee or survive forces of nature like floods, hurricanes, or wildfire. But what do you throw in your bag when you expect to rush toward a natural hazard? Geologist John Ewert has his go-kit packed with portable seismometers and gas-monitoring equipment, ready to mobilize when a volcano starts to rumble.
September 9, 2019
E21 – Bonus Clip: Field Mishaps in Remote Chile
Check out this clip that didn’t make it into our recent episode, X-rays of the Earth’s Gooey Center, about some of the challenges Lara Wagner and her team face when setting up seismic stations in remote places.
September 3, 2019
E21 – X-rays of the Earth’s Gooey Center
Much like x-rays can show broken bones (or noses), seismic equipment can show us what’s going on in Earth’s interior. While seismologists can’t take quick snapshots like medical doctors can, they can provide an image of tectonic plate movements over time to help the scientific community – and local communities – understand geophysical phenomena from mountain formations to volcanoes to the earthquakes that rock their world.
August 12, 2019
Special Release: Deviations from the Norm
One of the most alluring parts of Earth and space science is that much of the key research takes place in the field, in some of the most incredible – and inhospitable – environments on the planet: on treacherous polar ice sheets, aboard sea tossed ships, at the mouths of active volcanoes, beneath turbid ocean waters, and atop the highest windswept peaks. Under these often less than ideal conditions, instruments …
July 1, 2019
E19 – Eavesdropping on the Ocean
To those of us on land, the world underneath the oceans seems quiet and serene. But scientists who study ocean acoustics will tell you it is anything but tranquil underwater. Our oceans are home to a cacophony of sounds – from the songs of marine mammals to the cracking of icebergs to the rumbling of earthquakes to the roar of ships.
May 31, 2019
E18 – Riders on the Storm
Few natural phenomena are more difficult to study than tornadoes. They’re short-lived, their locations are notoriously hard to predict, and getting close enough to observe them is both challenging and extremely dangerous.
May 20, 2019
Centennial E6 – A Tale of Two Journeys
In 1911, two competing groups of explorers attempted to be the first to reach the South Pole. In this episode, atmospheric scientist Ryan Fogt recounts the journeys of Robert Falcon Scott and Roald Amundsen and discusses how extraordinary weather that year affected the two polar parties in vastly different ways.
May 13, 2019
E17 – Bonus Clip: Memories of the North
Check out this clip that didn’t make it into our recent episode, Science Turns to Search and Rescue, about some of the wildlife that’s found in the Arctic.
May 6, 2019
E17 – Science Turns to Search and Rescue
The Arctic Ocean is topped with a layer of frozen sea water – sea ice – that grows every winter and shrinks every summer. To study the ice in detail, researchers hop aboard an icebreaker ship that can plow through the sharp, cold ice floes without being damaged.
Third Pod from the Sun is the American Geophysical Union’s podcast about the scientists and methods behind the science. These are stories that you won’t read in a manuscript or hear in a lecture.
