Petri Dish

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Okay, so you have allergies, your friends have allergies, your enemies have allergies -- why does everyone seem to be allergic to stuff nowadays? Are we more allergic to things than we used to be? And if so, why?

PROMO: Plants and Pipettes Podcast!

References:

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Asthma! Hives! Hay Fever! Such a wide variety of allergic responses -- what do they have in common? Surprisingly a huge amount! This episode we get into the biological details of the kinds of allergies we're all used to thinking about.

PROMO: Thorndale Podcast!

References:

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Everyone knows about allergies! But, at the same time, hives seem very different from asthma, and both seem different from seasonal allergies. What is going on? On this first episode, we dive into one way of categorizing and describing allergies: the hypersensitivity type system!

PROMO: Not Suitable for Adults Podcast!

References:

https://www.ncbi.nlm.nih.gov/books/NBK560561/

https://www.ncbi.nlm.nih.gov/books/NBK563264/

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6789858/

https://www.ncbi.nlm.nih.gov/books/NBK559122/

https://www.ncbi.nlm.nih.gov/books/NBK538312/

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6861053/

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6121083/

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We’re back to discuss some more stuff about that spicy burny feeling! Our first spicy episode (Ep. 94) was focused on capsaicin, but that isn’t the only game in town! What are some of the other spicy molecules out there? Also, is there a scientifically approved method for cooling your mouth down after you’ve scarfed down too much Hot Chicken? Find out this week!

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References:

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Happy May the Fourth! Would it be possible to build a real lightsaber, just like what they have in the movies? Probably not! But the things keeping us from getting to have our very own bzzt bzzt blades might not be what you think they are! Listen in to find out potential ways scientists have been trying to come up with to make lightsabers a reality!

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References:

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If you're like me, you love that burning sensation from a nice dose of capsaicin, maybe in a salsa or a tasty Thai dish. But what exactly is capsaicin, where does it come from, and how does it make your tongue feel like it is on fire? Find out this week on Petri Dish!

Featuring a promo for Lit Gaming Arena, a podcast for all sorts of gaming news, reviews, and commentary!

References:

https://pubs.acs.org/doi/pdf/10.1021/ja01662a023

https://pubs.rsc.org/en/content/articlelanding/1876/an/an876010149a/

https://www.sciencedirect.com/science/article/pii/S0195666316310339

https://onlinelibrary.wiley.com/doi/10.1002/jps.3080010520

https://aem.asm.org/content/86/3/e01697-19.abstract

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3311884/

https://www.frontiersin.org/articles/10.3389/fevo.2018.00048/full#h8

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5326624/

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4023639/

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5039505/

https://www.nature.com/articles/nn852

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The AstraZeneca and Johnson & Johnson COVID vaccines have been in the news recently, suspected of causing a rare blood clotting issue in a small number of people who receive them. What is going on with these two vaccines, while the Moderna and Pfizer/BioNTech vaccines don't seem to have this problem? What are blot clots anyway and are the one in a million and on in one hundred thousand blood clots seen here just your average clot, or something more unusual? There is plenty that scientists don't know yet, but whatever we know, we want to share with you!

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References:

https://www.bmj.com/content/350/bmj.g7566

https://www.nejm.org/doi/full/10.1056/NEJMoa2104882

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4313700/

https://www.nature.com/articles/d41586-021-00940-0

Why can newts grow back part of their spine and brain while we're walking around unable to even heal a broken heart!? Even amongst us tetrapods, the ability to regenerate varies wildly! Learn how amphibians regenerate their body parts, how lizards regrow their tails, and how little human kids can regrow the tips of their fingers, apparently!

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Email us at petridishpod -at- gmail.com. On twitter @dishpodcast and instagram @petridishpodcast.

References:

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6589553

https://www.sciencedirect.com/science/article/pii/S0301468114000061

https://dev.biologists.org/content/146/14/dev167700

https://link.springer.com/chapter/10.1007%2F978-3-642-18846-6_1

https://onlinelibrary.wiley.com/doi/full/10.1002/jez.b.22835

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7911911/

https://www.nature.com/articles/s41598-019-55231-6

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5004880/

https://link.springer.com/chapter/10.1007/978-3-319-92486-1_16

https://academic.oup.com/beheco/article/17/5/857/207107

https://stemcells.nih.gov/info/2001report/chapter4.htm

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2701258/

https://onlinelibrary.wiley.com/doi/full/10.1002/reg2.41

https://onlinelibrary.wiley.com/doi/full/10.1002/reg2.36

https://onlinelibrary.wiley.com/doi/abs/10.1002/jmor.10546

https://dev.biologists.org/content/146/20/dev181016

Last week we talked about hydra and planarians, which you can slice and dice into little bits and all the bits will regrow into new little jabronis! But they're pretty distant from us on the evolutionary tree, so how about we get a little closer! This week, we talk about sea slugs and zebrafish, two aquatic critters with pretty impressive regenerative abilities!

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Email us at petridishpod -at- gmail.com. On twitter @dishpodcast and instagram @petridishpodcast.

References:

How come some animals can get their tails ripped off and just grow a whole new tail, and we can't even grow back a measly little finger? I mean, there are even animals out there you can slice and dice into 200 different pieces, and all the pieces will regenerate into copies of the original animal! This week we dive into two example animals that demonstrate extreme regeneration -- hydra and planarians! Next week we'll discuss self-decapitating sea slugs, lizard tails, and humans!

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Email us at petridishpod -at- gmail.com. On twitter @dishpodcast and instagram @petridishpodcast.

References:

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7116057/

https://www.encyclopedia.com/science/encyclopedias-almanacs-transcripts-and-maps/abraham-trembley-and-hydra

https://dev.biologists.org/content/146/17/dev167684

https://www.mpg.de/8244494/flatworms-regeneration

https://jeb.biologists.org/content/216/20/3799