An ancient empire hiding in plain sight, and the billion-dollar cost of illegal fishing

Science Magazine Podcast

Science Podcast

News, News Commentary, Science

4.3 • 842 Ratings

🗓️ 27 February 2020

⏱️ 47 minutes

🔗️ Recording | iTunes | RSS

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Summary

This week on the podcast, Contributing Correspondent Lizzie Wade joins host Sarah Crespi to discuss a turning point for one ancient Mesoamerican city: Tikal. On 16 January 378 C.E., the Maya city lost its leader and the replacement may have been a stranger. We know from writings that the new leader wore the garb of another culture—the Teotihuacan—who lived in a giant city 1000 kilometers away. But was this new ruler of a Maya city really from a separate culture? New techniques being used at the Tikal and Teotihuacan sites have revealed conflicting evidence as to whether Teotihuacan really held sway over a much larger region than previously estimated. Sarah also talks with Rashid Sumaila, professor and Canada research chair in interdisciplinary ocean and fisheries economics at the University of British Columbia, Vancouver’s Institute for the Oceans and Fisheries. You may have heard of illegal fishing being bad for the environment or bad for maintaining fisheries—but as Sumaila and colleagues report this week in Science Advances, the illegal fishing trade is also incredibly costly—with gross revenues of between $8.9 billion and $17.2 billion each year. In the books segment this month, Kiki Sanford interviews Gaia Vince about her new book Transcendence How Humans Evolved through Fire, Language, Beauty, and Time. This week’s episode was edited by Podigy. Listen to previous podcasts. About the Science Podcast Download a transcript (PDF). ++ [Image: Christian Hipólito; Music: Jeffrey Cook] Learn more about your ad choices. Visit megaphone.fm/adchoices

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0:00.0	This podcast is supported by the Icon School of Medicine at Mount Sinai, one of America's leading research medical schools.
0:07.8	Icon Mount Sinai is the academic arm of the eight hospital Mount Sinai health system in New York City.
0:13.9	It's consistently among the top recipients of NIH funding.
0:18.0	Researchers at Icon Mount Sinai have made breakthrough discoveries in many fields vital to
0:23.0	advancing the health of patients, including cancer, COVID and long COVID, cardiology, neuroscience, and
0:30.4	artificial intelligence. The Icon School of Medicine at Mount Sinai, we find a way. Morgan State
0:37.3	University, a Baltimore, Maryland,
0:39.4	Carnegie R2 doctoral research institution, offers more than 100 academic programs and awards
0:45.4	degrees at the baccalaureate, master's, and doctoral levels, is furthering their mission of
0:50.4	growing the future leading the world. Morgan continues to address the needs and challenges of the modern urban environment.
0:57.4	With a four-year quadrupling of research, more than a dozen new doctoral programs,
1:02.4	and eight new national centers of excellence, Morgan is positioned to achieve Carnegie R1
1:07.8	designation in the next five years.
1:10.4	To learn more about Morgan and their
1:12.3	ascension to R1, visit morgan.edu slash research.
1:22.9	Welcome to the science podcast for February 28, 2020. I'm Sarah Crespi. First up this week, I talk with
1:29.9	contributing correspondent Lizzie Wade about contradictory evidence for a hidden ancient empire in Mexico.
1:37.6	Next, we hear from Rashid Sumalia about calculating the billions of dollars illegal fishing costs
1:43.2	the global economy every year.
1:45.6	Finally, in this month's book segment, Kiki Samford interviews Guy events about her book,
1:50.3	Transcendence, How Humans Evolve Through Fire, Language, Beauty, and Time.
1:56.4	Now we have contributing correspondent Lizzie Wade.
	...

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