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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

00:42:43

Ep. 146 Poisons Pt 2: Get the Lead Out

Petri Dish ·

2022/05/16

Hi everyone! Here is part 2 in our series on poisons. This time we discuss lead! Our new sponsor is Athletic Greens, a really solid and easy way to get your vitamins if you're like me and are too silly/busy to cook proper meals every day and need to get those nutrients somehow! Check them out and get a free 1 year supply of Vitamin D and 5 travel packs by heading over to athleticgreens.com/emerging References: https://mineralseducationcoalition.org/minerals-database/lead/

en

00:49:14

Ep. 145 Poisons Pt 1: Heavy Metal

Petri Dish ·

2022/05/09

Hey everyone! Nathan wanted to know how poisons work and we're starting with some metals! Metal poisons are pretty interesting because they aren't complex molecules or anything, they're like single atoms running around messing up your biological systems! But how do metals interact with biology in the first place? Let's get into

en

00:57:01

[Reupload] Ep 144 Jurassic Pt 3: This is the Last One...

Petri Dish ·

2022/05/03

*Hey folks, some people are having a tough time hearing the episode on some platforms, this reupload is an attempt to see if we can fix that* At Nathan's insistence, this is the last Mesozoic episode for now! We talk about dinosaurs, across the Jurassic and Cretaceous periods, including heavy-hitters like T Rex! We also dispel some misunderstandings about velociraptor and other fun dino facts! Our new sponsor is Athletic Greens, a really solid and easy way to get your vitamins if you're like me and

en

00:57:01

Ep 144 Jurassic Pt 3: This is the Last One For Now

Petri Dish ·

2022/05/02

At Nathan's insistence, this is the last Mesozoic episode for now! We talk about dinosaurs, across the Jurassic and Cretaceous periods, including heavy-hitters like T Rex! We also dispel some misunderstandings about velociraptor and other fun dino facts! Our new sponsor is Athletic Greens, a really solid and easy way to get your vitamins if you're like me and are too silly/busy to cook proper meals every day and need to get those nutrients somehow! Check them out and get a free 1 year supply of

en

00:49:37

Ep. 143 Jurassic Pt 2: Finally Actually Dinosaurs

Petri Dish ·

2022/04/25

Yessss we're finally doing it! Dinosaurs! But only Jurassic ones! Yeah, that's right, a bunch of dinosaurs were only around in the Cretaceous, like velociraptor and T. rex. But don't worry, I'm sure some of your favs were in the Jurassic, like good ol' stegosaurus! What is a dinosaur? Who was around in the Jurassic? Find out this week on Petri

en

00:40:18

Ep. 142 Jurassic Pt 1: Angry Magma

Petri Dish ·

2022/04/18

Yay! The Age of the Dinosaurs! In this episode, we lay the groundwork for finally digging into dinosaurs in part 2 -- we discuss the changes to the climate and continents of the Jurassic and how that played into the development of the dinosaurs. References: https://www.nature.com/articles/s41467-020-15325-6 https://cp.copernicus.org/preprints/cp-2020-35/cp-2020-35.pdf

en

00:40:26

Ep. 141 Triassic Pt 2: Almost Dino Time

Petri Dish ·

2022/04/11

We end our discussion of the Triassic period with the land and air -- this is the time when dinosaurs and pterosaurs first evolved, along with the first mammals! References: https://royalsocietypublishing.org/doi/full/10.1098/rsbl.2012.0949 https://www.sciencedirect.com/science/article/pii/S0012825220302221

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00:00:57

A Brief Petri Announcement

Petri Dish ·

2022/04/04

We're taking a one episode break, Nathan kind of explains why...

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00:25:34

Ep. 140 Welcome to Triassic Park Part 1

Petri Dish ·

2022/03/28

In our last episode, we discussed The Great Dying, the transitional extinction event that ended the Permian and Paleozoic times and kickstarted the Triassic and Mesozoic! While the Mesozoic is often thought of as the Age of the Dinosaurs (and it *is* the time when they both evolved and went largely extinct), the first part of the Mesozoic was dominated by other groups of animals. But who?! Find out, this week on Petri

en

00:39:37

Ep. 139 The Great Dying

Petri Dish ·

2022/03/21

Hey, times are tough! So in a bit of escapism, Petri Dish has decided to dive into one of the largest extinction events of all time -- the Great Dying! Serving as the end of the paleozoic and start of the mesozoic, the Great Dying killed of around 90% of marine animal species and 75% of land species, clearing things out a little bit for the start of the age of the

en

00:41:07

Ep. 138 Slijper's Two-Legged Goat

Petri Dish ·

2022/03/14

This week we have an episode on a topic recommended by a friend of the show! We begin with a story about a cute little goat born in the late 1930s in the Netherlands, and spiral into a wide ranging discussion about evolution, natural selection, phenotypic plasticity, and nature vs nurture! Tune in! References: https://medium.com/philosophy-of-science-communication/i-was-slijpers-goat-d79e59d32ac6 https://academic.oup.com/jmammal/article/50/2/386/901720

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00:44:41

Ep. 137 Mangrove Forests

Petri Dish ·

2022/03/07

Nathan had a magical experience recently in a mangrove forest and because Sean is a good older brother, Petri Dish is covering the ins and outs about this ecosystem! Learn about the cool adaptations that allow these plants to survive in salty waters, including being able to secrete salt crystals out of their leaves! References: https://earthobservatory.nasa.gov/images/47427/mapping-mangroves-by-satellite https://www.sciencedirect.com/science/article/abs/pii/S1055790304002805

en

00:57:36

Ep. 136 Penis Pt 2: The Missing Bone

Petri Dish ·

2022/02/28

Hi everyone and welcome to our second and final episode on penises! Why are bird penises so strange? Why does the spiny anteater have a four-headed penis? Why don't humans have a penis bone? All great questions that at least at mildly addressed in this episode of Petri Dish! References: https://www.jstor.org/stable/3677097 https://royalsocietypublishing.org/doi/10.1098/rspb.2009.2139 https://www.nature.com/articles/news.2009.1159

en

00:42:46

Ep. 135 Presidents' Day

Petri Dish ·

2022/02/21

Hi Everyone! Happy Presidents' Day! In honor of presidents past, we have decided to do an episode on a topic Nathan has been requesting for a while -- dicks! Yes, somehow we have gotten around to doing an episode on penises. But as this topic was researched, we found to our surprise that penises are actually kind of interesting! So here, on PART ONE of a two part series on penises, we present to you an evolutionary history of

en

00:39:00

Ep. 134 Valentine's Day Chlamydia!

Petri Dish ·

2022/02/14

Hi Everyone! Hope you're having an excellent Valentine's Day! In honor of all the romance out there, we're releasing an episode about chlamydia, one of the most successful bacterial sexually transmitted diseases in the world! The bacteria involved is a pretty funky one and is responsible for a few different diseases, so strap in and learn some new information about this old friend of

en

00:34:45

Ep. 133 CoronaUpdate: Omicron

Petri Dish ·

2022/02/07

Hey! We're back from our 2 week hiatus with an episode on Omicron! At this point, the omicron wave seems to be largely done in the US (in terms of new cases, people are still dying though so please be careful!) Science doesn't happen right away though, so there is still a lot we're learning about omicron and future potential

en

00:00:54

Hiatus Announcement

Petri Dish ·

2022/01/24

Hey everyone! Hope you're all staying safe and healthy! We here at Petri Dish are taking a 2 week hiatus, but we'll be back with more science soon!

en

00:25:24

Ep. 132 Crustaceans Pt 2: Everybody Wants to Be a Crab

Petri Dish ·

2022/01/17

Hi everyone! In part 1 of crustaceans we laid down a lot of groundwork on what crustaceans even *are*. But here in part 2 we wanted to spend some time talking about a hot topic in crustacean-world: "carcinization" aka "stuff keeps evolving into crabs"! But not *all* crustaceans are yearning for crabdom -- there is a specific group called anomurans that really dig that crab vibe. Learn about them and what it takes to be a crab on this episode of Petri Dish! Real Ad! www.pair.com/free - Promo code is

en

00:35:19

Ep. 131 Crustaceans Pt 1: What the F*** is a Shrimp?

Petri Dish ·

2022/01/10

Hey everyone! On this episode of Petri Dish we ask the question everyone has been asking since time immemorial -- what the fuck is a shrimp? Like seriously, what is that shit? No, I mean, I ask because there are so many things called shrimp -- fairy shrimp, mantis shrimp, seed shrimp, and so on... And while they look kind of similar to one another, they really aren't all that related, separated by hundreds of millions of years of evolution. But they all belong in the big group of animals called

en

00:59:36

Ep. 130 Kelp Pt 3: Chew on That

Petri Dish ·

2022/01/03

Our final episode on kelp! We've spent the last two episodes discussing natural kelp forests and some of the fun things we can use kelp to do like bioremediation. This episode, we talk about the nutritional value of kelp and some food uses, including in food for cows! Real ad for BetterHelp, check out their offer at betterhelp.com/listener References: http://encykorea.aks.ac.kr/Contents/Index?contents_id=E0008581 https://link.springer.com/article/10.1007/s10811-019-01827-4

en

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