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PODCAST

Explain This

The world is getting increasingly complex, yet our attention spans are getting shorter. Do you wish someone could just explain everything to you as if you were a five-year-old kid? Are you curious about science, philosophy, history, life and the world in general, but don"t know where to start learning everything from scratch? Welcome to Explain This, where we"ll untangle the complexities of life and the universe, one bite-sized, child-friendly explanation at a time!

science self-improvement

All Episodes

38:39

71 - Stem Cells

Explain This ·

2025/10/02

How come salamanders can regenerate limbs while we can't? Can we use stem cells to regrow organs for transplanting? What is an iPSC and why is it a total gamechanger? When is a human being considered first "alive"? All of this and more in this hot, fresh episode exploring the fascinating world of stem cells and their potential applications! Listen to the end of the episode for a special announcement. Email: explainthiscast@gmail.com Facebook: https://www.facebook.com/explainthiscast Bluesky: ...

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49:03

70 - Computers

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2025/07/31

How does a computer use a bunch of 0s and 1s to show you cat memes? What do 19th-century weaving looms have to do with the "bugs" in modern software? And how do I know what specs to look for if I want a smooth-running computer or phone? This week, we're opening up the magic box on your desk to explain how computers actually work. Transistor diagram (source: ExplainThatStuff) Email: explainthiscast@gmail.com Facebook: https://www.facebook.com/explainthiscast Bluesky: https://bsky.app/profile/e...

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35:41

69 - Prions

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2025/07/03

Why shouldn't you eat brains? How are cannibalism and mad cow disease linked? Can Jin say "transmissible spongiform encephalopathy" three times as fast? Let's learn about one of the most terrifying, unstoppable infectious diseases we know about: prions. Email: explainthiscast@gmail.com Facebook: https://www.facebook.com/explainthiscast Bluesky: https://bsky.app/profile/explainthiscast.bsky.social Instagram: https://www.instagram.com/explainthiscast/ Youtube: https://www.youtube.com/@explainth...

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43:15

68 - Monkeysphere

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2025/06/12

Do you really know all of your Facebook friends? How many people can you know personally? Why does city life feel so isolating? Join Jin as he unpicks Dunbar's Number, the "Monkeysphere," and its fascinating implications for our social lives! Email: explainthiscast@gmail.com Facebook: https://www.facebook.com/explainthiscast Bluesky: https://bsky.app/profile/explainthiscast.bsky.social Instagram: https://www.instagram.com/explainthiscast/ Youtube: https://www.youtube.com/@explainthiscas...

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28:40

67 - Caesarean Section

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2025/05/01

Why are some babies born through surgery instead of by natural delivery? Is a Caesarean section better for the mum and baby? What is the dark history behind the C-section? Let's explore the miraculous and icky world of how we come into the world! Email: explainthiscast@gmail.com Facebook: https://www.facebook.com/explainthiscast Bluesky: https://bsky.app/profile/explainthiscast.bsky.social Instagram: https://www.instagram.com/explainthiscast/ Youtube: https://www.youtube.com/@explainthiscast&...

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55:37

66 - Capitalism

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2025/04/03

How does our economy work? What does it mean to seize the means of production? How is late stage capitalism ruining my life? And why did so many people lose their jobs in 2008? Jin takes you down the windy rabbit hole of the most prevalent economic system in the world, the history behind how it came about, and whether it's good or evil (or both). CAPITALISM · Céline Tshika Ken Liu - The Perfect Match IMDB - The Big Short Email: explainthiscast@gmail.com Facebook: https://www.facebook.com/expl...

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37:54

65 - Factoids

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2025/03/06

Did you know.... that many of your fun facts are just plain wrong? Come join us for a spirited session of "well, actually"s and learn about factoids: facts that aren't, in fact, facts! Thorn Kurzgesagt - We Fell For The Oldest Lie On The Internet Jin's blog - Jineral Knowledge Email: explainthiscast@gmail.com Facebook: https://www.facebook.com/explainthiscast Bluesky: https://bsky.app/profile/explainthiscast.bsky.social Instagram: https://www.instagram.com/explainthiscast/ Youtube: https://ww...

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40:27

64 - Chinese Zodiac

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2025/02/06

Send us a text How do you know which Chinese Zodiac animal's year is when? Why is there no Year of the Cat or Year of the Capybara? What's the sexagenary cycle? Let's learn about the Asian counterpart to the Western Zodiac, how it's related to the calendar, and the cute origin story of why the zodiac animals are in the order that they are! Photo of the twelve animals in anthropomorphised statue form at the National Folk Museum in Seoul, Korea Order of zodiac animals, along with the Twelve Ea...

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54:04

63 - Cancer

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2025/01/09

Send us a textWhy does cancer happen? How come chemotherapy kills cancer but not us? What does my doctor mean when he says I have a "lesion"?We learn all about the emperor of maladies in today's episode, what makes it terrifying, and some of the exciting new ways science has figured out how to fight against it.(Apologies for the shoddy audio quality - I've rearranged my office and my setup is still being optimised! Will try to fix some of the mic booming issues as well...)Email: explainthisca...

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36:06

62 - Sunscreen

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2024/12/05

Send us a textWhat's the best anti-aging cream available? Which is better - physical or chemical sunscreen? Can you get sunburnt through a glass window? What does SPF even mean?Get ready for the coming summer by Slip Slop Slapping some knowledge about how sunscreen works and why you should use it!Electromagnetic radiation spectrumDiagram of UV absorption in sunscreen moleculesMore detailed explanation of how sunscreen works - Lab MuffinExample of photoaging on a truck driver's faceEmail: expl...

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65:21

61 - Electricity

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2024/10/31

Send us a textWhat is electricity made up of? How do power plants use magnets to generate electricity? What is the largest machine in the world? How can you make a mountain into a battery?Join us for our first one-hour-plus episode as we cover a lot of ground in helping you understand the complex and deep world of electrical physics!Basic circuitCurrent, voltage, resistance as garden hose courtesy of Freeing EnergyVoltaic pile - pictures courtesy of Ted-EdElectric eel electrocyte anatomyVerit...

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54:22

60 - Literacy

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2024/10/03

Send us a textWhat does it mean to be functionally literate? How does reading help protect you from being manipulated and controlled? Why are books burned and banned in dystopias?Let's delve deep into understanding the sinister social threat of rising illiteracy rates, and why you should give a hoot about reading and writing!Email: explainthiscast@gmail.comFacebook: https://www.facebook.com/explainthiscastTwitter: https://twitter.com/ExplainThisCastInstagram: https://www.instagram.com/explain...

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50:29

59 - Antibiotics

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2024/09/05

What is the REAL story behind penicillin? How do antibiotics treat infections? Should we be worried about superbugs taking over the world?Jin geeks out on one of his favourite medical topics and teaches you about our table-turning super weapons against humanity's bane - bacteria.Relevant XKCD comicAlexander Fleming's original petri dishes showing the effect of penicillinAnatomy of bacteriaBeta-lactam ring structureEmail: explainthiscast@gmail.comFacebook: https://www.facebook.com/explainthisc...

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44:50

58 - Flight

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2024/08/01

How do you fly in the sky? What do swoll pecs have to do with flying? Is it true that physics says that bumblebees shouldn't be able to fly?We're back from our hiatus with an exciting episode on how planes, birds and bees take to the sky and soar freely!Airfoil, camber, angle of attack and how Newton's Third Law of Motion creates liftBernoulli's principle visualised with a wine bottleVideo of how various birds move their wings during flightDiagram of how leading edge vortices cling to an inse...

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48:37

57 - Latitude and Longitude

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2024/04/04

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41:53

56 - Sepsis

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2024/02/29

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47:40

55 - Nuclear Fission

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2024/02/01

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49:37

54 - Western Zodiac

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2024/01/04

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48:18

53 - Tobacco (and why you shouldn't smoke)

Explain This ·

2023/11/30

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46:36

52 - Infinity

Explain This ·

2023/11/02

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71 results

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