Counting research rodents, a possible cause for irritable bowel syndrome, and spitting cobras

Counting research rodents, a possible cause for irritable bowel syndrome, and spitting cobras

Online News Editor David Grimm joins host Sarah Crespi to discuss a controversial new paper that estimates how many rodents are used in research in the United States each year. Though there is no official number, the paper suggests there might be more than 100 million rats and mice housed in research facilities in the country—doubling or even tripling some earlier estimates. Next, Staff Writer Jennifer Couzin-Frankel talks with Sarah about a new theory behind the cause of irritable bowel syndrome—that it might be a localized allergic reaction in the gut. Sarah also chats with Taline Kazandjian, a postdoctoral research associate at the Centre for Snakebite Research & Interventions in Liverpool, U.K., about how the venom from spitting cobras has evolved to cause maximum pain and why these snakes might have developed the same defense mechanism three different times. This week’s episode was produced with help from Podigy. Listen to previous podcasts About the Science Podcast Download a transcript (PDF) [Image: Rushen/Flickr; Music: Jeffrey Cook] Authors: Sarah Crespi; David Grimm; Jennifer Couzin-Frankel Learn more about your ad choices. Visit megaphone.fm/adchoices

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Episoder(642)

Tracking ivory with genetics, the letter R, and a news roundup

Tracking ivory with genetics, the letter R, and a news roundup

Samuel Wasser discusses using genetics to track down sources of elephant ivory, Suzanne Boyce talks with Susanne Bard about why it's so hard to say the letter R, and David Grimm brings online news sto...

18 Jun 201533min

Tracking aquatic animals, cochlear implants, and a news roundup

Tracking aquatic animals, cochlear implants, and a news roundup

Sara Iverson discusses how telemetry has transformed the study of animal behavior in aquatic ecosystems, and Monita Chatterjee discusses the impact of cochlear implants on the ability to recognize emo...

11 Jun 201536min

Friction at the atomic level, the acoustics of historical speeches, and a news roundup

Friction at the atomic level, the acoustics of historical speeches, and a news roundup

Alexei Bylinskii discusses friction at the atomic level and Braxton Boren talks about the acoustics of historical spaces, and David Grimm discusses daily news stories with Sarah Crespi. Hosted by Susa...

4 Jun 201530min

Climate change and China's tea crop and a news roundup

Climate change and China's tea crop and a news roundup

Christina Larson discusses the impact of climate change on China's tea and other globally sensitive crops, and Emily Conover discusses daily news stories with Sarah Crespi. Hosted by Susanne Bard. [Im...

28 Mai 201522min

Testosterone, women, and elite sports and a news roundup

Testosterone, women, and elite sports and a news roundup

Katrina Karkazis discusses the controversial use of testosterone testing by elite sports organizations to determine who can compete as a woman, and David Grimm discusses daily news stories. Hosted by ...

21 Mai 201530min

Science in Cuba and a news roundup

Science in Cuba and a news roundup

Richard Stone discusses science in Cuba: isolation, innovation, and future partnerships, and David Grimm discusses daily news stories. Hosted by Susanne Bard. [Img: Garry Balding/Creative Commons Lice...

14 Mai 201525min

How the measles virus disables immunity to other diseases and a news roundup

How the measles virus disables immunity to other diseases and a news roundup

Michael Mina discusses how measles destroys immunity to other infectious diseases and why the measles vaccine has led to disproportionate reductions in childhood mortality since its introduction 50 ye...

7 Mai 201526min

Sustainable seafood and a news roundup

Sustainable seafood and a news roundup

James Sanchirico discusses the challenges of creating sustainable fisheries in developing countries, and David Grimm discusses daily news stories. Hosted by Susanne Bard. [Img: © Simon Bush] Learn mor...

30 Apr 201527min

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