This Podcast Will Kill You

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Aug 16, 2022 • 1h 16min

Ep 103 Leptospirosis: Don't blame the rats

The story of leptospirosis is chock full of variety. In terms of biology, any number of different Leptospira species and serovars can play a role in infection, and the resulting infection can run from asymptomatic to deadly. As for ecology, virtually any mammalian species can either act as an affected reservoir for the pathogens or fall victim to a deadly infection. The history of leptospirosis takes us across continents and through centuries, illustrating how changes in scientific thought and technology shaped our understanding of this and other zoonotic diseases. And the current status of this One Health disease is no less varied, both in the wide distribution of leptospirosis as well as the vastly differing (but disturbingly high) estimates of annual cases and deaths. In this episode, we do our best to tackle as much of the variety in this neglected disease as we can, from its impact on us and our furry friends, to the classic story of its discovery and the biggest remaining gaps in our knowledge today. Tune in for all this and more! See omnystudio.com/listener for privacy information.
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Aug 2, 2022 • 1h 34min

Ep 102 Arsenic: Paris Green with Envy

“The king of poisons,” “the poison of kings,” “inheritance powder.” As its various nicknames suggest, arsenic’s notoriety largely stems from its use as a murder weapon. But as we explore in this episode, the world of arsenic is much, much bigger than just as a plot device in an Agatha Christie novel, and it remains one of the most important environmental contaminants today. But how exactly does arsenic affect your body? When did people first start to use arsenic and for what purposes? Where does it have the most impact currently? And, of course, why was it so popular as a murder weapon? Tune in to hear the answers to these and many, many more questions about one of the most notorious poisons out there. See omnystudio.com/listener for privacy information.
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Jul 19, 2022 • 1h 15min

Ep 101 Immortality: This Podcast Won't Kill You

For what was originally going to be our 100th regular season episode, we wanted to turn the vaguely threatening title of our podcast on its head by exploring a topic that’s not about something that can kill you but rather the hows and whys of staying alive, forever. That’s right, this week we’re taking on the immense and amorphous concept of immortality, viewed primarily through the lens of biology. Why don’t humans or any other organisms live forever, evolutionarily speaking? What can the long search for an elixir of life tell us about our future prospects of life without end? How close has current technology brought us to achieving immortality in even the remotest sense of the word? This may not be your typical TPWKY episode, but we promise laughter, trivia, and existential contemplation about the meaning of life, so you’re not gonna want to miss it. See omnystudio.com/listener for privacy information.
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Jul 12, 2022 • 1h 31min

Ep 100 Monkeypox: Here we go again?

A little over two years into a pandemic, the last thing you probably want to see is headlines announcing yet another disease spreading across the globe. And yet, here we are. Beginning in May 2022, an increasing number of cases of monkeypox have been reported in many countries around the world, both in places where the monkeypox virus is known to occur as well as places where it had previously never been observed. And although the monkeypox virus itself is not new, some of the ways it is acting during this outbreak are. In this episode, we take you through what we knew about monkeypox before this outbreak began, first by exploring the biology of this poxvirus and how it makes you sick before walking through the history of its discovery and past epidemics. Then we shift our focus to the ongoing outbreak: What is different about the patterns we’re seeing today compared to past outbreaks? How has the virus changed? How exactly is it transmitted? And, a question we haven’t asked in a very long time, how scared do we need to be? Tune in to hear us address these questions and many more about this re-emerging poxvirus. See omnystudio.com/listener for privacy information.
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Jun 21, 2022 • 1h 37min

Ep 99 Salmonella: A hard egg to crack

We’ve all been there: doubled over in pain as stomach cramps grip your guts; the panicked shuffle to the nearest bathroom; the waves of nausea and chills as you cry out loud, “oh no, what did I eat??”.  At the very least, food poisoning is a humbling experience, but at the worst, it can be absolutely deadly. In this episode, we take a deep dive into one group of pathogens commonly responsible for outbreaks of food-borne illness, the infamous Salmonella. We start first with an exploration into how and why these bacteria make you sick before turning towards the history of these pathogens, a history which includes a brief jaunt through a bizarre story involving a cult, bioterrorism, and a small Oregon town. Finally, we wrap up the episode with a look at Salmonella by the numbers today. You’ll leave this episode brimming with Salmonella knowledge, thinking twice about how well you cook your chicken or wash your veggies, and contemplating how fast you can get your hands on a food thermometer. Trust us - you’re not gonna want to miss this one! See omnystudio.com/listener for privacy information.
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Jun 7, 2022 • 1h 14min

Ep 98 Folate: Marmite, anyone?

It’s been years since our first (and, until now, only) vitamin-centric episode on scurvy, and we’re thrilled to be dipping our toes back into these nutritious waters with this episode on folate. Have you ever wondered why folate is important or what the difference is between folate and folic acid? Or maybe you’re curious about this vitamin’s discovery and the impact that fortification programs have had around the world. Look no further - this episode has got all the folate facts you could desire. Tune in to hear how antifolates are used in cancer treatment, where folate got its name, and what a famous savory food spread has to do with the history of this essential vitamin. See omnystudio.com/listener for privacy information.
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May 31, 2022 • 60min

Special Episode: Snake Venom Evolution

Our snake venom episode last week took us down some fascinating roads, from the pathophysiological effects of these compounds to the snake detection hypothesis and from the development of antivenom to the incidence of snakebite around the world today. But how did we make it through that whole episode without discussing how and why these venoms evolved in the first place? It’s because we were saving it for this one, where we enlisted the expert help of Professor Nick Casewell, Professor of Tropical Disease Biology at the Liverpool School of Tropical Medicine and Director of the Centre for Snakebite Research & Interventions. In this bonus episode, the last in our series for now, Professor Casewell takes us through the remarkable world of snake venom evolution, covering such topics as the genetic basis for venom evolution, how snake venom is related to prey type, why spitting cobras spit, and so much more. Tune in wherever you get your podcasts to gain an even greater appreciation for these venom-producing snakes as well as the brilliant people who research them! See omnystudio.com/listener for privacy information.
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May 24, 2022 • 1h 31min

Ep 97 Snake Venom: Collateral Damage

How do you feel about snakes? Intrigued or terrified? In awe or creeped out? Of course, those aren’t the only options; the sight or thought of a snake can evoke many different emotions, but chances are indifference isn’t one of them. And is it any wonder? Some snakes can produce incredibly potent venoms that can seriously harm or even kill you, a characteristic that likely helped earn them their prominent role in many cultures and religions as a creature or god to be respected, if not feared. In this episode, we take a closer look at the diverse compounds that make up these venoms by exploring how they impact our bodies in the myriad ways they do and the current tools we have to combat their effects. Then we turn to evolution, not of snakes themselves but rather the role snakes may have played in primate evolution (snake detection hypothesis, anyone?) before discussing the historical development of antivenoms. We round out the episode by reviewing the current status of snakebite as a neglected tropical disease and mentioning some very exciting therapies on the horizon. Don’t missssss out on this enlightening envenoming episode today! See omnystudio.com/listener for privacy information.
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May 17, 2022 • 53min

Special Episode: Coprolites!

Our tapeworm episode last week mentioned the remarkable finding of tapeworm eggs in a 270 million-year old shark coprolite, that is, fossilized feces. And this certainly wasn’t the first time coprolites have come up on the podcast; we’ve referenced them several times before, mostly when discussing early histories of parasitic worms. But there is so much more to the world of coprolites than just which parasites were found and when. To help us explore all that coprolites can teach us is the world-renowned paleontologist Dr. Karen Chin, Professor at University of Colorado Boulder and Curator of Paleontology at CU-Boulder Museum of Natural History. In this exciting bonus episode, Dr. Chin takes us on a fascinating tour of the what (what are coprolites?), the why (why are they important?), the how (how do feces get preserved?), and the who (who dung it?) of these incredible trace fossils. See omnystudio.com/listener for privacy information.
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May 10, 2022 • 1h 13min

Ep 96 Tapeworm: We encyst you listen

We can probably all agree that the thought of a tapeworm hiding out in your gut is not a pleasant one. Nor is the image of tapeworm larvae forming cysts in your muscles, organs, and even your brain. So listening to an entire episode on these parasitic worms? We understand why that may seem like a bit much. But trust us, the world of these worms is too fascinating and important to be missed. In this episode, we break down the biology of the tapeworm species that commonly infect humans and discuss the role of these parasites as a leading infectious cause of epilepsy around the world. Then we venture into the ancient and not-so-ancient history of these tapeworms, starting at “who was infected first - the human or the pig?” and ending with “what was the tapeworm diet all about anyway?” Finally, we wrap up the episode with a look at tapeworm by the numbers today. Tune in wherever you get your podcasts! See omnystudio.com/listener for privacy information.

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