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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

00:48:08

Ep. 89 Fusion Power Part 2 -- Even More 30 Years Away?!

Petri Dish ·

2021/03/22

Last episode we discussed the basics of plasma, fusion power, and a design called the tokamak. This week we dive into some of the dark horse fusion power plant designs that are hoping to reach the power in -- power out breakeven point faster than ITER and the other tokamaks, designs like the stellarator, z-pinch, and more! Featuring a promo for Play Comics Podcast, a pod about comic book universes and games based off them! Email us at petridishpod -at- gmail.com. On twitter @dishpodcast and

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00:52:24

Ep. 88 Fusion Power Part 1 -- Actually 30 Years Away?

Petri Dish ·

2021/03/15

Fusion power has been just beyond the horizon for 60 years -- when are we going to get there?! Join us as we learn the fundamentals of how fusion power works! In this part 1, we also discuss a specific fusion plant design, the tokamak! Next time we'll discuss some other designs. Featuring a promo for The Jury Room Podcast!

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00:50:13

Ep. 87 Endometriosis

Petri Dish ·

2021/03/08

Coincidentally, March is Endometriosis Awareness Month! Maybe up to 10% of women ages 15-50 have endometriosis (over 170 million people worldwide), with a staggering array of potential symptoms (and a variety of severities). Due to its complexity and our long history of sexism in science and medicine, endometriosis is something we still have a lot to learn about, but we cover a lot of what we do know in this week's episode, so that you can know it too! This episode features a promo for Everything I

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01:09:43

Ep. 86 Whimsical Wine

Petri Dish ·

2021/03/01

*Special Note* This episode contains a trailer for an upcoming series of episodes on the True Crime podcast Riddle Me That -- the trailer contains mentions of pretty disturbing stuff, so we want listeners to be aware that it is there -- it is in the episode from the 17:00 to 19:30 minute mark. Wine! A fermented fruit drink that now has a mind bogglingly large market with bigtime cultural impact. But is wine actually as complex as winemakers and sommeliers say? Is there a scientific basis to whatever

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00:44:20

Ep. 85 The Chemical Accomplishments of Dr. Percy...

Petri Dish ·

2021/02/22

We have a special kind of episode for y'all this week! Nathan and Sean dive into the scientific work of the first Black chemist inducted into the National Academy of Science in the United States, Dr. Percy Lavon Julian! A true chemistry powerhouse, with accomplishments spanning nearly all of the 20th century, Dr. Julian helped with the scale-up manufacturing of natural products, ranging from treatments for glaucoma to birth control pills! This episode has a PARTNER EPISODE! The podcast One Mic:

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00:54:11

Ep. 84 The Dangers of Antibiotic Resistance

Petri Dish ·

2021/02/15

Last episode we discussed the history of antibiotics and alluded to RESISTANCE, the ability of bacteria to adapt to antibiotics to the point where the drugs aren't effective anymore. This is a huge, global problem, one that requires changes in policy and individual behavior, but all that other stuff is for some other time -- we're going to talk about the science of antibiotic resistance and what sorts of things scientists are cooking up to try to fight back! This episode has features a promo for

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00:46:17

Ep. 83 What Even Are Antibiotics?

Petri Dish ·

2021/02/08

What do ancient Anglo-Saxons, scientists in Nazi Germany, and moldy petri dishes have in common? They all were working hard to kill bacteria using antibiotics! What are antibiotics and what is the history of their use? Find out this week on Petri Dish! This episode has two promos! One for Cast Junkie, a monthly show that highlights indie podcasts (find them at castjunkie.com). The other is for Pomegranates and Pitchforks, a horror and true crime podcast! Find them on twitter @PomPitchPod! Email us

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01:00:29

Ep. 82 Xenotransplantation and 3D Printed Organs

Petri Dish ·

2021/02/01

Tens of thousands of organs are transplanted each year in the US alone, but this big number of transplantations still falls short of the need: many people remain on the waitlist for organs and a number of people pass away while waiting for an organ. This week, Nathan and Sean discuss some of the near-future options for the supply side of the organ situation. What is xenotransplantation? How can we reduce the odds of rejection while increasing supply of useable organs? Find out this week! This

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00:50:24

Ep. 81 Do Probiotics Work?

Petri Dish ·

2021/01/25

Our first episode ever was about the microbiome, all the little bacteria and fungi and other folks living on and inside of us. While maybe you might not have heard of the microbiome, you've probably heard of stuff that is *supposed* to help the microbiome -- things like prebiotics and probiotics, which are often advertised as good for your gut health. Is that real? What is the science there? This episode has a promo for Curiosity Cake, a podcast featuring laid back conversations with experts on to

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00:38:10

Ep. 80 The Scale of Cell Biology

Petri Dish ·

2021/01/18

Proteins, DNA, viruses, cells... they're all so small, it is hard to get a feel for what their deal is, they just seem so abstract! This week on Petri Dish, Nathan and Sean shrink down to the size of an average protein and hang out in different environments to help you visualize what a day in the life of a protein is like! This episode has a promo for Plants and Pipettes, a plant molecular biology podcast! Check them out on twitter @plantspipettes! Email us at petridishpod -at- gmail.com. On twitter

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01:09:25

Ep. 79 So Many CoronaVaccines!

Petri Dish ·

2021/01/11

Millions of people have been vaccinated all over the world and by now you're probably at least somewhat acquainted with the two vaccines that have been emergency-approved in the USA. But did you know there are 64 vaccines currently in clinical trials and 10 that have been approved in some country in the world? What is the deal with those vaccines? This episode has a promo for Curiosity Killed the Rat, another sibling-hosted science podcast!! Check them out on twitter @CuriosityRat! Email us at

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00:53:27

Ep. 78 The Mystery of Kimchi

Petri Dish ·

2021/01/04

*Note* Sean says napa cabbage may be from a hybridization between radish and bok choy, and that they are the same species -- he meant TURNIP and bok choy. Radish is part of the same FAMILY as those other guys, but turnips and bok choy are the same species. Kimchi is a delicious collection of Korean pickled vegetables, showing up in grocery stores all over the world. But what is it? Are its purported health benefits true? Is it one of those fancy vegan foods? Find out this week on Petri Dish! This

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00:56:49

Ep. 77 BioFuel = BioCool

Petri Dish ·

2020/12/28

It is probably going to be a while before we can *totally* stop using things like jet fuel and diesel, but they are both non-renewable *and* leave a carbon footprint. WHAT'RE WE GONNA DO? Biofuels could help! Depending on how they're made, they could end up being carbon neutral, or have a smaller footprint than regular fuel. On top of that, they'll be renewable! But how do they work? Do we have biofuels already in our gas tanks? This episode has a promo for Twisted and Uncorked, a podcast with wine,

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01:01:50

Ep. 76 A Very Lycan Christmas

Petri Dish ·

2020/12/21

Join Jimmy Coconuts by a roaring fire for a very jolly Winter Solstice Holiday Season episode! Ol' Man Sean and Uncle Nathan discuss what sorts of genetic and physical modifications could result in your own werewolf, if you had access to slightly futuristic tech and a wobbly moral compass! This episode has a promo for Dear Grad Student, an interview podcast about grad school life, trials, and tribulations! Check them out on twitter @DearGradStudent! Email us at petridishpod -at- gmail.com. On

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00:48:16

Ep. 75 Pickle Party

Petri Dish ·

2020/12/14

Pickled foods are great! Achaar, kimchi, sauerkraut, dill pickles... so good.. Are all pickled foods fermented? How do you pickle stuff? What is the science behind the delicious pickling process? This episode has a promo for Bald Scientist Podcast! Learn some science and life lessons from Professor and Scientist One Pagan! Check him out at @Baldscientist on twitter! Email us at petridishpod -at- gmail.com. On twitter @dishpodcast and instagram @petridishpodcast. References:

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01:05:44

Ep. 74 Cheese Part 2: Return of the Cheddi

Petri Dish ·

2020/12/07

What is raw milk cheese? What is vegan cheese? Is velveeta even cheese at all!? This episode Nathan and Sean answer all your cheesiest questions! Also, Sean screwed up in this episode -- he said agar agar is from kelp (a brown algae) when it is actually from red algae... what a dumbass. This episode has a promo for Podcast Review Day! The 8th of every month is a day for you to get out there and review your favorite podcasts! Write up something on Apple podcasts! Review them at podchaser.com! Yell at

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01:01:53

Ep. 73 Cheese, Glorious Cheese (Part 1!)

Petri Dish ·

2020/11/30

In the European Union alone over 9 million tons of cheese are consumed every year. 9 MILLION TONS! And hey, per capita the United States is second place behind EU denizens, consuming a mere 37 pounds of cheese per person per year. Anyway, what is cheese? How is it made? Why does milk have nanoparticles in it? All this and more on this first episode of a two parter on cheese! I know, I can't believe we had to cut an episode on cheese in two. This episode has a promo for For Your Reference, a

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00:58:53

Ep. 72 The Earth's Hot Lovin: Geothermal Power

Petri Dish ·

2020/11/23

Solar? Only good during the daytime. Wind?! What about the BIRDS!? How about a renewable energy source deep beneath our feet, Geothermal Power! Tongue-in-cheek dissing on other power sources aside, geothermal is a kind of renewable energy that hasn't been discussed in the public eye as much as solar and wind, even though it has successfully been powering homes in the US and abroad for decades. Can this power source be deployed in areas outside of geothermal hot spots? How does it make electricity

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00:44:55

Ep. 71 Lichen: Gateway to Polyamory

Petri Dish ·

2020/11/16

No! Not werewolves! Lichen, like the symbiotic life forms made up of a photosynthesis buddy (like an algae or cyanobacteria) and a fungus buddy! But are they really just a couple? Or is it very common for lichen to actually be threesomes? Foursomes?! Moresomes?!! Find out about this very strange and cool goobers, this week on Petri Dish! This episode has a promo for Curiosity Cake, a podcast for people curious about all sorts of fun and fascinating things! Follow them on twitter

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00:59:22

Ep. 70 Stress Eating: The Cookie Monster in Our Tummy

Petri Dish ·

2020/11/09

Have you been eating lots of cookies during this whole 2020 fiasco because of all the STRESS? Or have you actually been eating LESS food because of stress? Wait, how are both possible options? Why is stress so confusing? Learn about stress eating AND stress *not* eating this week, on Petri Dish! This episode has a promo for Dear Grad Student, a podcast to celebrate and commiserate the whole situation that is graduate school! Follow them on twitter @DearGradStudent! This episode is supported in part

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