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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

00:59:06

Ep. 33 Pandemic: PLAGUE

Petri Dish ·

2020/03/23

The second episode in our pandemic series is about one of the OGs, plague! This sucker has killed hundreds of millions of people in the past couple millennia, but has been brought low by antibiotics (yay SCIENCE!). But is it gone forever? Nah. Also, bubonic plague as a bioweapon?! It isn't a new idea... Promo this week is for Controller Disconnected Podcast! Check them out at https://www.condisconnected.com/ and on twitter @condisconnected We are also on twitter @dishpodcast and on instagram

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00:48:58

Ep. 32 Pandemic: Tuberculosis

Petri Dish ·

2020/03/16

This new series of episodes we're doing is on different pandemic diseases throughout history, with our first disease being tuberculosis! The series won't be a bunch of episodes in a row, but as we do more and more diseases we will begin comparing different pandemics. This episode covers the modern tuberculosis situation (2 billion people infected!) and our long history with the disease. We'll talk about treatments, drug resistance, disease characteristics, and the vaccine. Featuring a promo for the

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01:03:50

Ep. 31 Dogs! Pupperinos Part 2

Petri Dish ·

2020/03/10

This is the second half of our two-parter on mankind's best friend! Last week's episode covered domestication and breeds. This week is about dog behavior, dog jobs, and dog fritos feet. Featuring a promo for the podcast Snark Tank -- check them out on twitter @SnarkTankPod and at http://SnarkTankPod.com References: https://www.sciencedirect.com/science/article/pii/S0376635714000473 https://www.tandfonline.com/doi/full/10.1080/14616734.2018.1517812

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00:21:36

Ep. 30.5 Bonus Minisode: Corona-USA

Petri Dish ·

2020/03/10

SARS-CoV-2, HCOV-19, nCoV-19... Whatever you want to call this coronavirus, it is making a splash in countries all over the globe: big outbreaks in Italy, South Korea, and Iran, along with growing numbers of infected people (largely untested) in the USA. In this episode, Sean and Nathan discuss the US CDC's response to the coronavirus and dive a little into a paper about there being two potential 'strains' of this virus already. References:

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00:51:28

Ep. 30 Dogs! (Because We Did One On Cats) Part 1

Petri Dish ·

2020/03/02

Humankind's best friend! Pupperinos! In this week's episode of Petri Dish Nathan and Sean talk about dogs! This is part 1, where we talk about the domestication of dogs and some biological information about dog breeds! In part 2 we'll go into of the science of dog behavior and biology. Featuring a promo for the podcast Controller Disconnected! Follow them @condisconnected on Twitter! Follow us too @dishpodcast and email us petridishpod -at- gmail.com. If you like what we do, consider giving us a

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00:43:30

Ep. 29 Vaccines! Part 2

Petri Dish ·

2020/02/24

Hi Folks! If you're just stopping by, consider listening to Vaccines Part 1 to get info on the types of vaccines and what ingredients go into making them -- we use some of those terms here! In this ep we talk about how vaccines work on a cell level, how long and how well different vaccines work, and wrap it up with next-generation vaccines! Featuring a promo for Dad and Daughter Movies Podcast -- follow them on twitter @DDMovies2! If you like what we do, consider tossing $1 a month our way at

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00:18:28

Ep. 28.5 Bonus Minisode: Still Coronavirus!

Petri Dish ·

2020/02/24

Hey! The novel coronavirus (now SARS-CoV-2, which causes COVID-19) is still out and about, doing naughty stuff! But what do we know about this sucker now, a couple of months in to this not-quite-pandemic-yet? What are the latest stats on the number of cases, what countries should we be looking at, what do we know now about the biology of COVID-19, and also conspiracy theories are dumb. Get some info on this latest outbreak here on Petri Dish! If you like what we're doing here at Petri Dish, consider

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00:39:40

Ep. 28 Vaccines! Part 1

Petri Dish ·

2020/02/17

If you're a listener to this podcast, it is probably safe to assume that you have heard of vaccines and likely are pro-vaccine. But there is a lot of cool science going on under the hood of vaccines! This week on Petri Dish Sean, Nathan, and guest Andrei dig in to the stuff that make up vaccines, the different kinds of vaccines, and whether vaccines are dangerous or not (they aren't, really). This is part 1! In part 2 we talk about how they work on a cell biology level and what next-gen vaccines

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00:55:56

Ep. 27 Intermittent Fasting: How, What, and Why?

Petri Dish ·

2020/02/10

Heya folks, today's episode is about intermittent fasting, a new(ish) and increasingly popular way of trying to lose weight. Is it just a fad diet, or something more complicated? How does someone go about doing intermittent fasting and what does it do on a biological level (as far as we know)?As a note: Intermittent fasting involves changing how and when you eat, and therefore is a topic that can be sensitive for those who have eating disorders. If you are concerned about the topic, please feel free

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01:07:22

Ep. 26 CATS! (Not the Musical)

Petri Dish ·

2020/02/03

This topic was requested by co-host Nathan, who had read several news articles recently suggesting that cats are menaces, plagues upon the world and humankind. IS THIS TRUE?! In this episode, we begin with a brief history on the semi-domestication of cats, and then move into some of their cool and unique biology. Then we discuss cats as invasive species and cats as vectors for Toxoplasma gondii, a crazy parasite! Learn about catnip alternatives and landing on your feet, this week on Petri Dish! Hit

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00:54:11

Ep. 25 Aging and Immortality Part 2

Petri Dish ·

2020/01/27

Hey everyone, I hope you checked out our bonus minisode on the new coronavirus! Here is our regularly scheduled full episode, the part 2 on Aging and Immortality! This time we turn our focus to humans, and what the current science says about how to live longer and healthier! Can being hungry all the time make you immortal? Does NAD+ supplements or metformin do anything? Find out!If you like what we do, consider supporting us at www.patreon.com/petridish , even a few dollars a month would help us

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00:19:07

Ep. 24.5 Bonus Minisode: Coronavirus!

Petri Dish ·

2020/01/27

Hi Everyone, Happy Year of the Rat! This is a special mini-episode we are releasing on the novel coronavirus currently infecting people in China (and now elsewhere). This short episode covers what a coronavirus is in general, and what we know about this new one. It also has a little conspiracy theory stuff at the end, but that's just for light hearted purposes, because all in all new diseases can be dour business. Listen in to learn some stuff, and realistically, don't

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00:49:38

Ep. 24 Aging and Immortality Part 1

Petri Dish ·

2020/01/20

For folks in the USA, happy Martin Luther King Jr. Day! This week on Petri Dish Nathan and Sean discuss the biology of aging. What does it actually mean to age, when some animals out there are biologically immortal and get to just hang out forever until they get eaten? What happens on a cellular level when we age? What can we learn from other species about the aging process? This is the first part of a two-part series -- next week we'll discuss human aging in the context of what we can try to do to

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01:00:24

Ep. 23 Booze and Hangover Science

Petri Dish ·

2020/01/13

Welcome to the first Petri Dish episode recorded in 2020! This one is about the science behind the effects of booze (ethanol), and our current best understanding of what hangovers are and what you can do about them! Would this episode have been more apropos if released closer to New Year's Day? Maybe, but we were all too hung over, so whatever. Tune in for a brief history of alcohol, a discussion of what ethanol does to you, and whether that stuff about a glass of wine a day being good for you is

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00:59:47

Ep. 22 What is Epigenetics?

Petri Dish ·

2020/01/06

In this week's episode, Sean and Nathan are joined by guest Liliana Escobedo to discuss epigenetics, which is either all of the stuff besides your genes that affects the functions of your cells OR non-genetic stuff that happens in your life that can affect your kids and grandkids, depending on what scientists you ask for a definition! Can eating too much food during your lifetime affect your grandkids through your sperm or eggs getting tweaked? Find out this week on Petri Dish!Featuring a promo for

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01:04:12

Ep. 21 Human Sex and Evo Psych

Petri Dish ·

2019/12/30

Hey everyone, this week is part 2 of our episodes on sex, this time focusing on sex determination in humans and Sean's rocky relationship with the field of evolutionary psychology! Nathan and Sean discuss the XY chromosome system, the SRY gene, all sorts of things that can make people fall outside of the XX-XY female-male dichotomy, and more!This episode our very real promo is for a non-fiction horror podcast Pomegranates and Pitchforks! They cover true crime, mythology -- anything that has to do

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00:40:08

Ep. 20 Animal Sex! Part 1

Petri Dish ·

2019/12/23

This week on Petri Dish Sean and Nathan dive into the apparently controversial topic of biological sex. In this part 1 of a two part discussion, Sean and Nathan talk about the biological basis for the concepts of 'male' and 'female' in non-human organisms ranging from yeast to plants to reptiles. They bring up different kinds of chromosomal systems, weirdos like the platypus and clownfish, and whether climate change could turn more sea turtles into ladies!In this episode we feature a promo for

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00:46:36

Ep. 19 Cancer Part 2

Petri Dish ·

2019/12/16

Hey everyone, this week we complete our discussion about cancer. Last episode we talked about what cancer is, where it comes from, and what the different types are. This week, Sean and Nathan talk about the risk factors associated with cancer, the current treatment methodologies, and the next-generation of treatments that scientists are working on!Also featured in this episode is a promo commercial for another podcast called Songbirding, a chill podcast focused around listening to different birds

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00:48:03

Ep. 18 Cancer Part 1

Petri Dish ·

2019/12/09

Cancer is the leading cause of death worldwide and it is a biologically complex set of diseases, so Sean and Nathan dive in to the biology this week (and next week) on Petri Dish. Cancer affects almost everyone in the world, with millions of people diagnosed each year and almost everyone knowing someone who has had cancer. This episode, they talk about what cancer is, what the main theories are on the cause of cancer, and the different kinds of cancer out there. Next week we discuss current and

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00:49:02

Ep. 17 Cannabinoids Part 2

Petri Dish ·

2019/12/02

Welcome back to Petri Dish! Hope Americans had a nice Thanksgiving break, and are refreshed and recharged for another episode. We're picking up where we left off last time with part 2 of Cannabinoids. We discussed the plant, compounds, and briefly covered what they can do to you last episode. But this episode, we dive deeper into the purported health benefits and hazards of THC and CBD. We talk about cancer, glaucoma, and more!If you have any feedback, positive or negative, let us know! You can

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