Podcast: Cracking the smell code, why dinosaurs had wings before they could fly, and detecting guilty feelings in altruistic gestures

Science Magazine Podcast

Science Podcast

News, News Commentary, Science

4.3 • 842 Ratings

🗓️ 23 February 2017

⏱️ 33 minutes

🔗️ Recording | iTunes | RSS

🧾️ Download transcript

Summary

This week, we chat about why people are nice to each other—does it feel good or are we just avoiding feeling bad—approaches to keeping arsenic out of the food supply, and using artificial intelligence to figure out what a chemical smells like to a human nose with Online News Editor David Grimm. And Stephen Brusatte joins Alexa Billow to discuss why dinosaurs evolved wings and feathers before they ever flew. And in the latest installment of our monthly books segment, Jen Golbeck talks with Bill Schutt, author of Cannibalism: A Perfectly Natural History. Listen to previous podcasts. [Image: Todd Marshall; Music: Jeffrey Cook] 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
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0:31.4	Visit PeekScientific.com and quote Science Podcast to receive special offers.
0:37.1	Support for this podcast comes from Toyota and their new 2017 Highlander.
0:41.9	With its sleek, aggressive design, improved power train for better performance and fuel efficiency,
0:48.0	plus standard Toyota Safety Sense technology, there's always more to discover in the new 2017 Highlander. Visit Toyota.com for details.
0:57.8	Drivers are responsible for their own safe driving. Always pay attention to your surroundings and drive
1:02.2	safely. Depending on the conditions of the roads, weather, and the vehicle, the systems may not work as
1:06.7	intended. See Owner's Manual for Additional Limitations and Details.
1:22.5	Welcome to the Science Podcast for February 24, 2017. I'm Sarah Cresby. In this week's show,
1:28.3	Stephen Broussadi joins Alexa Bidlow to talk about the evolution of flight in dinosaurs.
1:33.7	David Grimm is here with a roundup of stories from the Daily News site, and in the latest installment of our monthly book segment, Jen Goldbeck talks about the book cannibalism, a perfectly
1:40.0	natural history, with its author Bill Shutt.
1:46.2	Now we have David Grimm, editor for our daily news site.
1:50.0	He's here to talk about some recent online stories, several of which came from this
1:54.6	year's AAAS annual meeting.
1:57.0	First up, in fact, we have an annual meeting story on the source of altruism in humans.
2:03.6	Why are people nice to each other? Is this something we can just figure out with the tools of
2:09.0	science? I guess researchers are trying. And so far, the research suggested that we like how it
	...

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