The Curious Stardust At The Ocean Floor

12m ·

The Curious Stardust At The Ocean Floor

Researchers report in the journal Science that they appear to have some clues about the origin of Earth's plutonium - which has been long debated. Correspondent Nell Greenfieldboyce explains that traces of rare forms of iron and plutonium have been found in extraterrestrial debris that had sunk to the bottom of the Pacific Ocean, hauled up by an oil company, then donated for research. By comparing the iron and the plutonium, scientists found the plutonium was likely forged in a cosmic cataclysm, perhaps a rare kind of supernova, and then rained down on Earth.

Ever find yourself existentially musing? Wondering about the state of the cosmos? Drop us a line at and we might jump into a wormhole with you.
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  • martin

    Love the podcast, good episode and clear audio! Keep these comming


    @yames check this podcast out its a great one

    2 months ago·1 like·
  • Sophie

    Overly cool m8


    “You have thousands of mintues of work.”

    2 months ago·3 likes·
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    Just amazing!


    I find these weekly podcasts to be super inspirational, they seem to always motivate me to look at my purpose. Matt not only brings in his personal life experiences but he delivers them in such a way that they are relatable.

    2 months ago·7 likes·

    Gold. Jesus Christ. How do you do it?

    2 months ago·5 likes·

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