How humans survived an ancient volcanic winter and how disgust shapes ecosystems
Science Magazine Podcast
Science Podcast
4.3 • 842 Ratings
🗓️ 15 March 2018
⏱️ 22 minutes
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| 0:00.0 | Morgan State University, a Baltimore, Maryland Carnegie R2 doctoral research institution, |
| 0:05.0 | offers more than 100 academic programs and awards degrees at the Baccliorate, Masters, and Doctoral Levels, |
| 0:12.0 | is furthering their mission of growing the future leading the world. |
| 0:16.0 | Morgan continues to address the needs and challenges of the modern urban environment. |
| 0:20.0 | With a four-year quadrupling of research, more than a dozen new doctoral programs, |
| 0:25.7 | and eight new National Centers of Excellence, |
| 0:28.5 | Morgan is positioned to achieve Carnegie R-1 designation in the next five years. |
| 0:33.7 | To learn more about Morgan and their ascension to R1, visit morgan.edu slash research. |
| 0:46.3 | Welcome to the science podcast for March 16, 2018. I'm Sarah Crespi. In this week's show, online news editor, Catherine Madisonik, is here with a story on how ancient humans survive global volcanic winter, caused by a massive volcanic eruption 74,000 years ago. |
| 1:04.4 | And Julia Buck discusses landscapes of disgust. |
| 1:08.0 | How do gross things like parasites and carcasses shape ecosystems. |
| 1:13.2 | Now we have Catherine Mattisick, an online editor for our daily news site. Hi, Catherine. Hi, Sarah. |
| 1:18.8 | This story by Gretchen Vogel is about how we humans fared after an apocalyptic scenario. A volcanic |
| 1:27.1 | winter about 74,000 years ago. What is volcanic winter, |
| 1:33.4 | Catherine? So volcanic winter, if you have not heard of it before, is a beautiful concept. |
| 1:40.1 | Beautiful. Well, beautiful. It's very, it's very sci-fi. It's very artistic as long as you're not the one |
| 1:45.3 | living in it. So basically, the idea is whenever you have a volcanic eruption, ash, glass, gases, |
| 1:53.1 | you know, will spew into the air, roll down the sides of the volcano. And when sulfur dioxide |
| 1:59.6 | from these volcanoes enters the atmosphere, they can form aerosols |
| 2:04.2 | that reflect the sun's rays. And so a lot of times when you have a very large volcanic eruption, |
| 2:09.9 | you may have a localized or even global cooling event. That's taken place in the recent past |
| 2:16.4 | where we've actually been able to measure these |
... |
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