Listener Q's: Talking Mice!
Creature Feature
iHeartPodcasts
4.6 • 911 Ratings
🗓️ 23 April 2025
⏱️ 24 minutes
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Summary
Today I answer your emails! News about mice genetically modified with a candidate for the "human speech gene!" Then we discover why baby penguins are so cute, and more!
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Transcript
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| 0:00.0 | Welcome to Creature Feature, production of IHeart Radio. |
| 0:09.7 | I'm your host of Many Parasites, Katie Golden. |
| 0:12.9 | I studied psychology and evolutionary biology, and today on the show, we're answering your listener questions. |
| 0:19.2 | That's right, you can write to me and I will try my best to |
| 0:23.6 | answer your questions about animals, about evolutionary biology, about psychology, and everything. |
| 0:30.1 | In between, you could write to me at creaturefeaturepod at gmail.com. Let's get right into it. |
| 0:37.7 | Hi, Katie. |
| 0:38.5 | Listening to one of your earlier episodes on rats, I am reminded of this rats news from a few |
| 0:43.5 | days ago with a link to a YouTube video. |
| 0:47.5 | Enjoy, I guess. |
| 0:49.0 | Smiling crying face from Jesse C. |
| 0:51.7 | Hi, Jesse. |
| 0:52.5 | Thank you for the cool video. |
| 0:54.9 | This video is a nicely done summary by Anton Petrov, which is a recap of the study. |
| 1:03.4 | A humanized Nova 1 splicing factor alters mouse vocal communications, published this February in nature. |
| 1:12.3 | So let's talk a bit about this study. |
| 1:15.9 | So mice were genetically modified to have a gene alteration that is unique to humans, |
| 1:24.1 | targeting a specific gene called Nova 1, which, among other things, is a blueprint for the |
| 1:30.1 | development of neurons in the brain. So all mammals have Nova 1, but there is a specific change |
| 1:38.0 | in the amino acid sequence that seems to be specific to humans, even setting us apart from our |
| 1:43.8 | close extinct relatives like |
| 1:46.4 | the Neanderthals. So researchers in this study used the CRISPR gene editing method to introduce |
... |
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