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Science Magazine Podcast

The places where HIV shows no sign of ending, and the parts of the human brain that are bigger—in bigger brains

Science Magazine Podcast

Science Podcast

News, News Commentary, Science

4.3842 Ratings

🗓️ 14 June 2018

⏱️ 25 minutes

🧾️ Download transcript

Summary

Nigeria, Russia, and Florida seem like an odd set, but they all have one thing in common: growing caseloads of HIV. Science Staff Writer Jon Cohen joins host Sarah Crespi to talk about this week’s big read on how the fight against HIV/AIDS is evolving in these diverse locations. Sarah also talks with Armin Raznahan of the National Institute of Mental Health in Bethesda, Maryland, about his group’s work measuring which parts of the human brain are bigger in bigger brains. Adult human brains can vary as much as two times in size—and until now this expansion was thought to be evenly distributed. However, the team found that highly integrative regions are overrepresented in bigger brains, whereas regions related to processing incoming sensory information such as sight and sound tend to be underrepresented.  This week’s episode was edited by Podigy. Listen to previous podcasts. [Image: Misha Friedman; Music: Jeffrey Cook] Learn more about your ad choices. Visit megaphone.fm/adchoices

Transcript

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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

0:21.6

quadrupling of research, more than a dozen new doctoral programs, and eight new National

0:26.9

Centers of Excellence, Morgan is positioned to achieve Carnegie R1 designation in the next five years.

0:33.7

To learn more about Morgan and their ascension to R1, visit morgan.edu slash research.

0:40.4

This week's episode is brought to in part by Climatecast. From the rise of superstorms to

0:44.8

innovations in green energy, our changing climate is at the forefront of societal change

0:50.2

and adaptation. Don't be in the dark about climate change. Join meteorologist Paul

0:55.1

Hutner for Climatecast, a weekly podcast that makes sense of important climate news. Climatecast with

1:01.5

Paul Hutner is available now. Find it wherever you listen to podcasts. Welcome to the science podcast for June 15, 2018. I'm Sarah Crespi. In this week's show,

1:18.3

staff writer John Cohn is here to talk about three very different places with one serious

1:24.0

commonality, rising HIV numbers, Nigeria, Russia, and Florida. Why are these disparate places

1:32.5

still battling HIV? And after that, we have Armin Raznahan. He talks about his team's research

1:38.7

into variations in human brain size. What parts of the brain get bigger in people with bigger brains.

1:47.3

Now we have John Cohen, staff writer for science, and he wrote three, count them three feature

1:53.3

stories this week on HIV. Hi, John. Hi, how are you doing? Good. I don't mean to talk first

2:00.6

foremost about the amount of content

2:02.4

that you wrote, but this is a lot of stuff about HIV. Are you surprised that you're writing

2:08.9

this much this far into your career covering this disease? Yeah, I keep thinking that I'm going to

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