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You are browsing the archive for Centennial Archives - Third Pod from the Sun.

January 13, 2020

Third Pod Presents: Sci & Tell – Bärbel Hönisch, “Queen of Boron”

Bärbel Hönisch, Associate Professor of Environmental Sciences at Columbia University also known as Queen of Boron, transported us millions of years beyond the ice cores to the realm when Greenland had no ice.

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December 16, 2019

CE13 – The Johnstown Flood: A Most Avoidable Tragedy

The Johnstown Flood occurred on May 31, 1889, after the failure of the South Fork Dam, which is located on the south fork of the Little Conemaugh River, 14 miles upstream of the town of Johnstown, Pennsylvania.

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November 18, 2019

CE12 – A Nuclear Legacy Buried in Ice

Earlier this year, scientists reported that radioactive fallout from nuclear accidents and weapons testing is present in ice sediments on the surface of glaciers in the Arctic, Iceland, the Alps, the Caucasus, British Columbia and Antarctica.

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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.

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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.

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August 19, 2019

Centennial E9 – The Sun and the Exploding Sea

In 1972, in the waning years of the Vietnam War, U.S. military pilots flying south of Haiphong harbor in North Vietnam saw something unexpected. Without explanation, and without warning, over two dozen sea mines suddenly exploded. While the phenomenon was never officially explained, it piqued the interest of space scientist Delores Knipp.

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July 15, 2019

Centennial E8 – Guardian of the Moon Rocks

Fifty years ago, humans first stepped foot on the Moon. Along with visiting our closest neighbor, the Apollo astronauts also brought back hundreds of pounds of lunar samples, from micron-scale motes of dust to small boulders weighing more than 25 pounds. Using these samples, scientists have been able to peer back in time to the early days of our solar system, making major discoveries about the formation of the Moon …

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June 24, 2019

Centennial E7 – Night of the Killer Smog

The Clean Air Act of 1970 was one of the first and most influential environmental laws passed in the United States. But why was this law needed in the first place, and what inspired lawmakers to want to regulate air pollution levels?

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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.

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April 15, 2019

Centennial E5 – When the Sahara was Green

In this centennial episode, she reveals the secrets of the mud, how humans may have weathered climate swings of the past, and what the past can tell us about our warming world.

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