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PODCAST

Petri Dish

Profane, insane, and 100% primo science, Petri Dish is a no-BS podcast that explores the wildest subjects in modern science with clarity and evil joy. Hosted by Sean Allen, a Nanoparticle/Immunology Researcher, and Nathan Allen, his "screenwriter" brother, Petri Dish fuses hard science with a freewheeling and madcap conversational style. Cannabinoids, Plague, Cats, the dreaded Candiru, and the even more dreaded Covid-19: all these and more are dissected with intellect and irreverence, dropping

science life sciences

All Episodes

01:09:08

Ep. 50 Eugenics and Human Genetics

Petri Dish ·

2020/06/29

Hi Everyone, hope you are all staying safe during this pandemic. For our 50th full episode, we are continuing our series on the long intertwining history of race, racism, and science. In this episode, the second of three, we discuss racist science in the 20th and 21st century by focusing on eugenics and human genetics. Next time we will talk about specific examples of racist scientific misconduct and racism in IQ. This episode features a promo for Planthropology, a science podcast centered around

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00:52:05

Ep. 49 Racism in Science

Petri Dish ·

2020/06/22

Hi Everyone, hope you are all staying safe during this pandemic. The murder of Black people like Breonna Taylor and George Floyd has led to a lot of discussion here at Petri Dish about what we could do with our platform. We decided one of the things we could do was inform our listeners about the long intertwining history of race, racism, and science. In this episode, the first of three, we discuss the early history of modern conceptions of race, going back to the 17th century. Next time we will be

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00:53:12

Ep. 48 Sun and Skin

Petri Dish ·

2020/06/15

On this, the final skin episode of our four-part (!) series, Sean and Nathan speak again with skin scientist Matilde Miranda about skin aging and the affect sunlight has on your skin! Learn about what SPF and UV Index means, the different kinds of UV light, and how to pick a nice sunscreen to reduce your chances of getting skin cancer. Featuring a promo for an upcoming podcast Talking Bugs, an entomology podcast! check it out on twitter @SixLeggedAggie and https://sixleggedaggie.com/ Email us at

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00:49:41

Ep. 47 Science of Trippin' Balls

Petri Dish ·

2020/06/08

This week Nathan and Sean talk about psychedelic drugs, specifically classical psychedelics like psilocybin and LSD. How do they work? What do they actually do to your brain? Can they be repurposed for more than making you see crazy stuff? Listen in! Stay safe out there, everyone. Featuring a promo for The Unexceptionals, an interview podcast! Check it out on twitter@_unexceptionals Email us at petridishpod -at- gmail.com. On twitter @dishpodcast and instagram @petridishpodcast. Support us for as

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00:34:06

Ep. 46.5 Bonus Minisode: COVID and Kawasaki

Petri Dish ·

2020/06/05

Take care of yourselves out there, everyone. Racism is real and Black people have suffered the brutality of racist systems for their entire lives. This week's bonus episode is about Kawasaki Disease and the atypical Kawasaki that appears to be manifesting in children during this COVID-19 pandemic. Email us at petridishpod -at- gmail.com. On twitter @dishpodcast and instagram @petridishpodcast. Reach out if you'd like to talk things through. References:

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00:46:45

Ep. 46 Science of Sick

Petri Dish ·

2020/06/01

What actually happens when you get infected with something? What are the steps your body goes through to protect you? Why do so many illnesses have "flu-like" symptoms? Find out this week as Sean and Nathan dive into the SCIENCE OF SICK(ness)! We recorded this episode a while ago, so it does not make reference to current (US) events. We here at Petri Dish support protesters and the cause they represent -- an end to racial discrimination against Black people, an end to police brutality, and a

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00:42:40

Ep. 45 Some Super Special Cephalopods

Petri Dish ·

2020/05/25

This week we talk about some specific cephalopods and how weird/cool they are! Giant squids! Blue-ringed octopuses! Bigfin squids, argonauts, nautiloids, and more! Get your fill of these funky folks under the sea! Featuring a promo for Thorndale, an actual play podcast! Check them out at https://www.thornvalepodcast.com/ and on twitter @ThornvaleCast Email us at petridishpod -at- gmail.com. On twitter @dishpodcast and instagram @petridishpodcast. Support us for as little as $1 a month at

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00:51:52

Ep. 44 Octopuseses: Ink, Camo, and Smarts

Petri Dish ·

2020/05/18

This episode is about cephalopods! Octopuses, squids, cuttlefish! All the jabronis! This is actually a two-parter. In this episode we're talking about cephalopod blood, eyes, ink, camo, and intelligence! Next time we are going to be talking about specific cephalopods that we think are particularly weird and cool! Featuring a promo for Planthropology, a podcast about plants! Check them out on twitter @planthropology_ and online at planthropologypod.com Email us at petridishpod -at- gmail.com. On

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00:50:27

Ep. 43 Prions: Mad Cows and Mad Proteins

Petri Dish ·

2020/05/11

This episode is about the causative agent for mad cow disease, scrapie, and Creutzfeldt-Jakob -- prions! It's not a bacteria, it's not a fungus, it isn't even a virus! No, it is a little protein encoded in our own genome! Find out how there can be an infectious disease caused by a misfolded protein. Featuring a promo for Lit Gaming Arena Podcast! Check them out on twitter @litgamingarena and online at https://litgamingarena.com/ Email us at petridishpod -at- gmail.com. On twitter @dishpodcast and

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00:59:00

Ep. 42 A Conspiracy of Ravens

Petri Dish ·

2020/05/04

Ravens, crows, and other corvids have held a special place in the human imagination for centuries, and deservedly so! In this episode, we discuss ANIMAL INTELLIGENCE in the context of ravens and crows. We talk about tool-making, inductive reasoning, and convergent evolution of counting! Funky stuff! Learn about these cool birds! Special shoutout to Dr. Swift (twitter: @corvidresearch), her twitter and blog inspired us to do this episode! Featuring a promo for the podcast Ignorance Was Bliss, check

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00:46:26

Ep. 41 Bats Part 2: They're Good!

Petri Dish ·

2020/05/01

In part 1 we talked about bat diseases and bat immune system stuff, but this episode is is all about how bats are cool! Bat pollination! Bat pooping! Bat bros! So much bat! Learn about these weirdos! Featuring a promo for the audio drama Oz-9! Check them out on twitter @Oz9podcast Email us at petridishpod -at- gmail.com. On twitter @dishpodcast and instagram @petridishpodcast. References: https://www.journals.uchicago.edu/doi/abs/10.1086/physzool.62.3.30157928

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01:00:31

Ep. 40 Cellulite and Skincare

Petri Dish ·

2020/04/27

Hey! New episode! Part 3 of our series on skin, we welcome back Scientist Matilde Miranda to discuss cellulite and skincare -- a topic she is very passionate about! Learn about all her fancy skincare tips, and don't forget you can tweet us (@dishpodcast) or her (@mirandamspock) to ask questions! Featuring a promo for podcast Grief Burrito -- check them out https://linktr.ee/Griefburrito and on twitter @GriefBurrito! Email us at petridishpod -at- gmail.com. On twitter @dishpodcast and instagram

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00:35:39

Ep. 39 Bats Part 1: Awesome AND Diseased

Petri Dish ·

2020/04/23

Bats are awesome and do so many useful things for the environment -- BUT that is all for part 2! Part 1 is about bats as disease reservoirs -- something they seem to do very well. We talk about what diseases bats are typically reservoirs for and what particular bat immune system characteristics might enable them to be so good at harboring viruses. This episode has some COVID-19 talk, so if you're burned out on that either skip the first 12 min or skip the whole episode! Also! Bats are truly awesome

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00:47:56

Ep. 38 Immune System Part 2: Adaptive

Petri Dish ·

2020/04/20

Hey! New episode (and coronavirus free!) on the adaptive immune system! These are the cells that pump out antibodies, coordinate immune responses, and have memory so you can fight off diseases faster the second time around. Also featured is a note on immune system complexity, complex networks, and emergent properties! Trigger warning -- we mention the word 'suicide' in the context of cells telling other cells to undergo programmed cell death! If that doesn't sound like your cup of tea, please check

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00:44:32

Ep. 37.5 Bonus Minisode: COVID-19 Part 5

Petri Dish ·

2020/04/16

Hi everyone, this is a SARS-CoV-2/COVID-19 update episode on a treatment's (remdesivir) early experimental results, why antibody tests might not be the magic bullet everyone wants them to be, and one final discussion on the conspiracy that SARS-CoV-2 might be a bio-engineered virus. If you don't want any COVID-19 stuff going into your ear holes, avoid this episode! Listen to some of our other stuff, like our episodes on dogs, or skin, or acupuncture! Email us at petridishpod -at- gmail.com. On

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01:00:08

Ep. 37 Acne and Wrinkles

Petri Dish ·

2020/04/13

Hey! It is part 2 of our 4 part series on skin, this time on acne and wrinkles! In our first episode we had Matilde Miranda, skin researcher extraordinaire (@mirandamspock on twitter) tell us about Skin Biology. Well she is back! And she is telling us the secrets of what acne is (not always bacterial!) and where wrinkles come from! Skincare enthusiasts should check this one out! Email us at petridishpod -at- gmail.com. On twitter @dishpodcast and instagram @petridishpodcast. If you're a creator of

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00:51:58

Ep. 36 Immune System Part 1: Innate

Petri Dish ·

2020/04/06

Hi everyone! Hope you are keeping it safe out there! This week we give you part 1 of 2 on the immune system. We'll be beginning with innate immunity this time and will be talking about the adaptive immune system in the next episode! What cells are on the front line, fighting on the front line to defend your body? Osmosis Jones! Check out our patreon at patreon.com/petridish email us at petridishpod -at- gmail.com. On twitter @dishpodcast and instagram @petridishpodcast. If you're a creator of cool

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00:58:37

Ep. 35 Skin Biology

Petri Dish ·

2020/04/01

Hey folks! How about a corona- and disease-break? This special mid-week release of Petri Dish is about SKIN! This episode is part of a (non-sequential) series on skin-related bio stuff, in which we had a guest skin scientist, Matilde Miranda, sit in and chat with us about a bunch of different skin things. This episode is the primer, it is going to help you get nice and situated for the rest of the series, which will cover: acne, wrinkles, cellulite, skincare tips, aging, and the relationship between

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00:59:24

Ep. 34 Epidemic: Viral Hemorrhagic Fevers

Petri Dish ·

2020/03/30

Hey! This is another in our series on pandemics... except there hasn't really been a pandemic of viral hemorrhagic fevers, just epidemics! But that doesn't make them less freaky-deaky, just think about how you feel about EBOLA. Ebola isn't the only virus in town though, so tune in to hear about all the different viruses that cause this class of illness. Content-warning! We discuss, at the end of this episode, a little comparison between ebolavirus and SARS-CoV-2. If you aren't into that, we actually

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00:33:31

Ep. 33.5 Bonus Minisode: CoronaTreatments

Petri Dish ·

2020/03/25

For the 16 people out there that aren't sick of COVID-19/SARS-CoV-2 information already, here is another BONUS MINISODE on just that topic! This time around we're covering treatments that scientists and doctors around the world are trying to use to fight COVID-19. We discuss the WHO's new clinical trial to gather some data on these treatments, talk about 5 of the treatments more specifically, and then go into debunking mode! Useful links on the latest number of

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