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April 22, 2020

Third Pod Presents: Sci & Tell – Earth Day at 50, Stories from NASA

This year is the 50th anniversary. To celebrate, we chatted with over a dozen NASA scientists about what Earth Day means to them in this special compilation episode!

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April 20, 2020

Earthrise

On 24 December 1968, humans witnessed our home planet rise over the horizon of another world for the first time. The crew of Apollo 8 looked up from the Moon to see the blue and white swirls of Earth poised above the stark grey lunar surface—a single oasis in a big, dark universe.

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April 6, 2020

Paradise Lost

From 1946 to 1958, the United States military conducted more than 20 nuclear bomb tests at Bikini Atoll, an idyllic tropical island in the South Pacific Ocean. During the first of these tests, conducted in July 1946, the military anchored nearly 100 warships and submarines within Bikini’s large lagoon to see how a nuclear blast would affect a naval fleet.

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March 24, 2020

Et tu, Etna?

In 44 BCE, a momentous event occurred. Somewhere on Earth, a volcano erupted—one of the largest of last 2,500 years terms of climate impact. Traces of the eruption can be found in ice cores from Greenland and Antarctica, in signs of cold weather in the growth rings of trees around the world, and records of famine and agricultural disaster from Egypt to China. The eruption caused global climate effects lasting several years.

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February 19, 2020

Exhuming a Buried Piece of American History

In 1991, the United States government unearthed a staggering archaeological find during construction of a federal office building in lower Manhattan. While digging the building’s foundations, construction crews stumbled upon skeletal remains from the “Negroes Burial Ground,” the largest and oldest burial site of free and enslaved Africans in what would become the United States. 

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January 27, 2020

Discovering Europe’s History Through its Timbers

An analysis of timber used to construct buildings in Europe hundreds of years ago is giving scientists and historians new insights into the region’s history from the 13th to 17th centuries. Using samples of wood taken from old buildings in Europe, Fredrik Charpentier Ljungqvist, a historian and paleoclimatologist at Stockholm University, and Andrea Seim, a dendrochronologist at the University of Freiburg, figured out when the trees used in the buildings …

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December 4, 2019

E24 Part 2- A Walk in the Vault with Jeff Post

Mineralogist Jeff Post has a one-of-a-kind job: he’s curator of the National Gem and Mineral Collection, a collection of over 375,000 rock and mineral specimens housed at the National Museum of Natural History in Washington, D.C. In this episode, Jeff takes Third Pod producers on a tour of the vault, where the collection’s most valuable and rare specimens are kept. Jeff

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December 2, 2019

E24 Part 1- (Hope) Diamonds are Forever

Mineralogist Jeff Post has a one-of-a-kind job: he’s curator of the National Gem and Mineral Collection, a collection of over 375,000 rock and mineral specimens housed at the National Museum of Natural History (NMNH) in Washington, D.C. In this episode, Jeff describes his day-to-day work of maintaining and growing this invaluable collection, which includes being personally responsible for the Hope Diamond and countless other treasures.

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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 28, 2019

Third Pod Presents: Sci & Tell – Jim Green on Space Exploration

We’re trying something new with Third Pod. In addition to your regularly scheduled programming, we’re going to showcase short stories from scientists in a new series we’re dubbing Sci & Tell. Like show & tell, but with science (and audio)! 

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