Podcast: Sizing up a baby dino, jolting dead brains, and dirty mice

Science Magazine Podcast

Science Podcast

News, News Commentary, Science

4.3 • 842 Ratings

🗓️ 21 April 2016

⏱️ 26 minutes

🔗️ Recording | iTunes | RSS

🧾️ Download transcript

Summary

Online news editor David Grimm shares stories on a possibledebunking of a popular brain stimulation technique, using “dirty” mice in the lab to simulate the human immune system, and how South American monkeys’ earliest ancestors used rafts to get to Central America. Kristi Curry Rogers joins host Sarah Crespi to discuss insights into dinosaur growth patterns from the bones of a baby titanosaur found in Madagascar. Read the research. [Image: K. Curry Rogers et al./Science] Learn more about your ad choices. Visit megaphone.fm/adchoices

Transcript

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0:00.0	Introducing Peak Scientific. With over 25 years of expertise, Peak leads the industry in providing
0:06.8	reliable, high purity gas generators for LCMS and GCMS. Whether you're in the lab conducting
0:13.2	groundbreaking research or pushing the boundaries of science, trust Peak Scientific to supply
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0:24.4	When it comes to your LC or G.C, don't settle for less.
0:30.8	Choose the solution that is tested, validated, and approved by leading instrument manufacturers globally. Visit PeekScientific.com and quote Science Podcast to receive special offers.
0:42.2	Thank you. and quote science podcast to receive special offers. Welcome to the science podcast for April 22, 2016.
0:46.7	I'm Sarah Crespi.
0:48.4	In this week's show, Christy Curry-Rogers talks about measuring the growth of a baby
0:53.2	titanosaur.
0:56.8	And David Grimm is here with a roundup of stories from our daily news site. Support for the science podcast is provided by
1:06.3	AAAS, the American Association for the Advancement of Science.
1:16.6	Now we have David Grimm, editor for our daily news site.
1:19.0	He's here to talk about some recent online stories.
1:23.8	First up, we have a story on stimulating the brains of cadavers.
1:29.9	I was rubbing my hands together with glee when I heard about this story.
1:34.0	Ooh, a debunking, I thought, and a gross one at that.
1:40.3	Dave, what practice were the debunkers targeting in this study? Well, they were debunking two related techniques. One's called transcranial direct current
1:46.4	stimulation or TDCS. And then one's called transcranial alternating current stimulation or TACS.
1:54.1	Basically, what these are is applying a mild electric shock to the scalp. And the idea is, or at least
1:59.6	what scientists thought happened,
2:01.4	is that the shock made its way into the brain, stimulated neurons, and could do a variety of good
	...

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