How Does Dust Impact Earth’s Climate? with Dr. Sarah Aarons

Getting Curious with Jonathan Van Ness

Sony Music

Science, Self-improvement, Comedy, Education, Society & Culture

4.9 • 21.5K Ratings

🗓️ 15 February 2023

⏱️ 56 minutes

🔗️ Recording | iTunes | RSS

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Summary

Dust isn’t just something that accumulates between our couch cushions. Dust is ALL OVER Earth—there are 20 trillion grams of it!—and it plays a critical role in weather events, climate change, and how we understand Earth. This week, Dr. Sarah Aarons joins Jonathan to discuss her research on mineral dust, and her research trips to Antarctica. Plus, Jonathan asks hard-hitting questions, like: Is household dust really just dead skin cells? Does flushing your toilet make an aerosol mess? And how do you stay caffeinated near the South Pole? Sarah Aarons was born and raised in Alaska. She is an Assistant Professor of Geosciences at Scripps Institution of Oceanography at UC San Diego. Follow us on Instagram and Twitter @CuriousWithJVN to join the conversation. Jonathan is on Instagram and Twitter @JVN and @Jonathan.Vanness on Facebook. Transcripts for each episode are available at JonathanVanNess.com. Our executive producer is Erica Getto. Our associate producer is Zahra Crim. Our editor is Andrew Carson. Our theme music is “Freak” by QUIÑ; for more, head to TheQuinCat.com.

Transcript

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0:00.0	Welcome to Getting Curious. I'm Jonathan Bannes.
0:02.6	And every week I sit down for a gorgeous conversation with a burr-realian expert to learn all about something that makes me curious.
0:08.8	In this episode, I know that all of our episodes are really good, but this one is so freaking interesting, I literally cannot stand it.
0:15.0	Because we're talking about something that I think is so interesting and I need to know more about.
0:19.2	On today's episode, we are joined by Sarah Arian's where I ask her,
0:23.7	How important is DEST!
0:26.4	Welcome to Getting Curious. This is Jonathan Bannes and we have got an episode for you.
0:33.0	So let me tell you how it all started.
0:34.8	As my name my own business a few months ago and I scratched my arm in the golden hour and I saw this dust fly off,
0:41.8	which reminded me of this clip from this TV show that I used to watch when I was little that was hosted by Summer Saunders
0:47.9	and they would do these random facts and she said that 99% of dust was human skin cells.
0:53.4	And then I was like, what the hell is dust? And then we discovered Dr. Sarah Arian's.
0:58.8	Who is an assistant professor of Earth Sciences at UC San Diego's Scripps Institution of Oceanography?
1:06.3	She studies a mineral dust that is transported to polar regions and preserved in the ice core record.
1:13.8	How are you? How are you doing? Good?
1:16.0	I'm great. I'm here at San Diego at stop raining recently and the sun came out so everything's good.
1:21.6	Yay, those atmospheric rivers have just been all up in California's face lately.
1:28.1	Yeah, definitely. We were lucky we didn't have any landslides down here but a little bit north of us
1:32.9	was hit pretty hard. There's actually a very interesting link between atmospheric rivers and dust.
1:38.6	What the fuck? I just wasn't ready for the hard-hitting facts coming so fast at the beginning of our episode.
1:43.2	What is the link between atmospheric rivers and dust?
1:46.0	People started noticing that when you had dust transport from Asian deserts across the Pacific Ocean
	...

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