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Let's Learn Everything!

Science communicators Ella Hubber, Tom Lum, and Caroline Roper learn about anything and everything interesting! Each episode they teach each other about a science topic, and learn about a miscellaneous topic. Whether it's bugs on drugs, temporal illusions, or fanfiction, there's so much out there, so let's learn everything! Join our Discord, email us, and follow us everywhere at www.LetsLearnEverything.com

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95: 🎂 Superheavy Elements 2, Craftivism 2, and Tom's List

Thu, 23 Oct 2025

It's the podcast's birthday!! So Tom has a few ideas he wants to pitch to Caroline and Ella... but first! Ella and Caroline finally revisit the topics they promised! What are the WILD stories behind the race to discover new elements, and what are the real nuancy nuances of craftivism?

94: Paranormal Psychology & Defunct Halloween Traditions

Thu, 9 Oct 2025

We know ghosts aren't real, but what is real is the way our brains make us imagine the creepy things that go bump in the night. What about our psychology makes it so easy to be spooked? And we've all heard of costumes and pumpkin carving, but what are the weirdest old Halloween traditions, and what can we take into our own traditions?

93: Unsolved Math Problems & Video Game Controllers w/ Ellen Weatherford

Thu, 25 Sep 2025

Wait... ELLA is doing a math topic?? Not only that but she finds the beauty in searching for answers among the toughest math problems. Then, friend of the show Ellen Weatherford takes us through a tour of video game controllers. My favorite is the- wait how did we end up talking about World War 2??

92: The Chemistry of Computers & The Great Moon Hoax of 1835

Thu, 11 Sep 2025

What does chemistry have to do with computers? Well it might just be the best way to understand what's actually going on inside a CPU! And how could there have been a moon hoax back in 1835? Well it involves cosmic pluralism and Edgar Allen Poe so buckle up!

91: Lauren Gawne, Is Pointing Rude, and Gestures Studies

Thu, 28 Aug 2025

Is pointing rude? I'm sure it's a simple question with a simple answer that won't completely break our brains in rethinking all we take for granted about gesture. Also, what is Lauren’s holy grail lost media of gesture studies?

90: Octopuses & The Paralympics

Thu, 14 Aug 2025

How strange are octopuses really? We're going to be debunking some claims, then rebunking them with some real, amazing facts about our fellow earthlings. And what the history of the paralympics? What can we learn from its attempts and its failures and its importance in sports?

89: Understanding Blood & Peculiar Percussion

Thu, 31 Jul 2025

Blood! We all have it, but how much do we know about it? And more importantly, what was the journey of understanding to get there? And just how deep can the history of these peculiar percussion instruments go? Well we'll be criss-crossing across the planet today to find out!

88: The Evolution of the Placebo & Postage Stamp Art

Thu, 17 Jul 2025

Chances are you know what a placebo is, but... how does it really work? And what can its evolution teach us about science, medicine, and ethics? And how much art can fit a tiny postage stamp? Well enough to fill a whole history of debate, drama, and ducks.

87: Mating Rituals & True Crime

Thu, 3 Jul 2025

Just how complicated can animal mating rituals be, and why did they even evolve them at all? And why is true crime Everywhere, and what can we learn from breaking down what makes it feel so icky?

The Best of Everything 2025

Thu, 19 Jun 2025

Listeners voted for their favorites topics of the past year, so join us as we chat and relearn the best of everything!

86: Eyevolution 2 Eyelectric Boogeyeloo & Digital Piracy w/ Sabrina Cruz

Thu, 5 Jun 2025

How many eyes do these animals have, and more importantly what are they doing with them? And how long has copyright piracy been around, and would YOU download a car? Also Ella finally drops her fake british accent.

Vote for the Best Of Everything 2025!

Thu, 29 May 2025

Vote for your favorite topics at LetsLearnEverything.com/bestof before Sunday June 8th!!!

85: David Bennett & Why Humans Like Harmony in Music

Thu, 22 May 2025

What is it about harmonies in music that just sounds so good? Can science (and our amazing musical guest David Bennet) help us get to the bottom of it?

84: Tree Talk & Trading Card Art

Thu, 8 May 2025

Can trees talk to each other? And how does that personifying metaphor square with the actual science behind it? And what can we learn from the stories of art on trading cards throughout history?

83: The Most Boring Element & Solving Shakespeare's Accent

Thu, 24 Apr 2025

What is the most boring element, and just how boring could it possibly be? Turns out: VERY! And how can we decipher what Shakespeare sounded like, and who among us can lay claim to his accent?

82: International Space Law & Taxidermy

Thu, 10 Apr 2025

What laws are there to worry about in the moon? And what does space law teach us about Earth law? And what can we learn about societies throughout history from the lens of stuffing dead animals?

Preview: The Lab Rat Games

Thu, 27 Mar 2025

Welcome to the (preview for the) Lab Rat Games! The GAME show where we compete to learn anything and everything interesting! We love putting games into our topics, so what happens when we make a whole show of them, with each of us hosting their own section! Plus! We're joined by friend of the show and competitive chaos combatant, Sabrina Cruz!

81: Dinosaur Diet Detectives & Proto-Podcasts

Thu, 20 Mar 2025

How can scientist's unravel the mystery of what dinosaurs ate? Well the clues are right in front of our eyes, or should I say their teeth! And poop! And listener you may already know what a podcast is, but how did proto-podcasts in a chicken coop give us the DNA for what we love, and how did podcasts even happen?

Tom, Ella, and Caroline join MFD Spring Break

Mon, 17 Mar 2025

It’s not MaxFunDrive without a wild kickoff spectacular! Former real-life VJ and host of MTV's Spring Break 1999, Dave Holmes, takes your favorite MaxFun hosts through some wacky ‘90s- and Spring Break-themed mini games!!

80: Ify Nwadiwe, The Science of the Peasant Railgun, and a Panoply of Nerdery

Thu, 13 Mar 2025

Host of Um Actually and nerd of many domains Ify Nwadiwe joins us as Tom helps him deconstruct the infamous Peasant Railgun from D&D. Could it actually work? And can we come up with something even more powerful using real science? We also dig into nerdery old and new, and see if Ify can convince Ella and Caroline to embrace their home country's greatest export: Warhammer.

79: The Psychology of Math & Sudoku

Thu, 27 Feb 2025

Why is math both so easy and so hard for our brains, and how can the psychology of horses, babies, and mathematicians help answer that? And what wild journey did Sudoku take to become the popular puzzle that Ella adores?

78: Drosophila Melanogaster & The British Meal Deal

Thu, 13 Feb 2025

Why is the common fruit fly the perfect model organism, and the reason for 6 Nobel Prizes?? And what is the british fascination around the meal deal, lunchtime, and the sandwich?

77: Light Pollution & Mistaeks

Thu, 30 Jan 2025

What can we learn from the most modern - but overlooked form of pollution? And can mistakes in art be something actually... good?

Recast: The Funcanny Valley - Spellbound and Gagged

Thu, 16 Jan 2025

As we plan out the new year, please enjoy a recast of one of my (Tom's) favorite guest appearances on Spellbound and Gagged, hosted by the wonderful friend of the show Ellen Weatherford!

New Year Q&A 2024/25

Thu, 2 Jan 2025

It's the start of the new year which means a bunch of new questions submitted by YOU! What are our favorite words from the podcast? What's it like to scrap a topic? Would we still love each other if we were worms?

76: The HaLearnDays Spectacular! 2024

Thu, 19 Dec 2024

It's the HaLearn Days!! We've gathered a whole bunch of fun facts from each other and from friends of the show to share the gift of laughter and learning!

75: Where are We? & Carrot Propaganda

Thu, 5 Dec 2024

Where are we in the universe? And what can we learn from all the hilariously wrong guesses and bad maps that got us there? And just how much carrot propaganda was there? Well, have we got some posters to show you, and a few myths to debunk!

Submit Your Q&A Questions!

Thu, 28 Nov 2024

It's everyone's favorite holiday: the day we ask you to submit your Q&A questions!! Go to www.LetsLearnEverything.com/questions and submit your questions about truly anything at all from the science to the serious to the silly!

74: Autumn Leaves & Swearing

Thu, 21 Nov 2024

Why do leaves change color? No... like really? Like, show-me-the-scientific-literature-really? After all how mysterious could the answer be? And holy frick we're finally doing a topic on swearing!! What are the eras of swearing, and what is swearing actually good for?

73: Linguist Gretchen McCulloch, Latin in Science, and Internet Linguistics

Thu, 7 Nov 2024

Internet linguist Gretchen McCulloch of Lingthusiasm joins us to casually answer all of our pressing linguistics questions with the most mind blowing facts. Why does science use so much dang latin, and what is so unique about internet linguistics?

72: Former Cryptids & The Art of a Scary Story

Thu, 24 Oct 2024

Cryptids may be spooky, but what about the spooky animals that turned out to be... real?? And what makes a good spooky story? Could it be something secretly... heartwarming??

71: 🎂 Good Invasive Species, Rock Climbing, and Ig Interviews

Thu, 10 Oct 2024

For our birthday this year, we've each gifted a topic for one another! For Caroline, an environmental hot take: can invasive species ever be... good? For Tom, an entire topic about one of his favorite hobbies: rock climbing! And for Ella, interviews from the Ig Nobel Laureates this year.

70: The Core of the Earth & Planned Obsolescence

Thu, 26 Sep 2024

What's actually going on in the center of the Earth, and just how interesting and useful could it be? And how did the now ubiquitous Planned Obsolescence start with... bicycles??

69: Hank Green, Sex Science, Reverse Platypi, and the First Dick Drawing

Thu, 12 Sep 2024

Longtime inspiration and friend of the show Hank Green joins us for a very special episode! How do colonial organisms with just one queen avoid incest? How many Ig Nobels have gone to sex science? Can the team figure out the identity of the Reverse Platypus? When was the first dick grafitti, and could the story actually be... wholesome???

68: Phrenology & Lego

Thu, 29 Aug 2024

It's an infamous pseudoscience, but what haven't we learned from the rise and fall of Phrenology? And Lego are ubiquitous, which means there's a lot to learn and a lot of nuance for our love of these stackable bricks.

Recast: LLE on SIF - Eeny, meeny, miny, moe

Thu, 15 Aug 2024

While we're sending Tom "Well Wissage" and a speedy recovery, enjoy Ella & Caroline on this tremendous episode of one of our sibling shows on the network, Secretly Incredibly Fascinating!

67: Epigenetics & The Overlooked World Games

Thu, 1 Aug 2024

You may have heard Epigenetics used as a buzzword, but what is it really? Is it something we know about, something still new, or... both? And what in the world are the World Games, and what makes them better than the Olympics?

66: What is a Species & What is UK Voting?

Thu, 18 Jul 2024

It's a word we say all the time but... what IS a species? How has it been used in the past, and could the different answers all be right? And how does voting work in the UK? It starts with voting for knights, and could hopefully end in the future with something even better.

The Best of Everything 2023-2024

Thu, 4 Jul 2024

After much deliberation, the academy (listeners of the podcast) has voted on the best topics from the past year! If this is your first episode, you'll get a sampling of our favorite moments of science and sillyness, and if you're a long time listener, you'll hear some behind the scenes thoughts about the topics, as well as... a secret teaser at the very end??

65: Black Holes 101 & Tattoos

Thu, 20 Jun 2024

What happens when a star collapses to a point of near infinite gravity? And just how hard could that be to actually... find? And why do we love tattoos so much, and how long have human beings across the world been loving them too?

64: Tom Scott, Human Acceleration, and Failed Videos

Thu, 6 Jun 2024

How fast can a regular human accelerate from 0-60? How can you learn to love roller-coasters? And is there a terrifying experience Ella's done that even Tom Scott hasn't?? After having us on his show for so long, it's finally time for Tom Scott to join us on our show!

Pride Merch & Voting for the Best of Everything!

Thu, 30 May 2024

It's Pride and Poll-jedice! For pride month we have some pride merch including an amazing design by Caroline, with proceeds going to Pride in Stem! Also, toss in your vote to defend the honor of your favorite topic for the next Best Of Everything episode! All of this is at LetsLearnEverything.com

63: Biomimicry & The Evolution of Chess

Thu, 23 May 2024

What can we learn by mimicking animals in nature, and more importantly, what can we learn about the nuance behind the buzzword of biomimicry? And just how many wild facts are hidden in a simple chess set?

62: False Memories & House Plants

Thu, 9 May 2024

How much real science is there to the Mandela Effect, and how much should we be worried about our faulty memories? And what's the science and history behind our long love for house plants?

61: Whale Fall Ecology & Jury Duty

Thu, 25 Apr 2024

What happens when the largest living animal becomes the largest dead animal? Just how complex could a dead whale be? And what are the differences, flaws, and nuances of the jury system, and can we be studying it better?

60: Near Earth Objects & Guitar Tabs

Thu, 11 Apr 2024

What are all these rocks hurtling through space? Do we need to worry about them, and what can we learn from them? And what are guitar tabs, why don't people take them seriously, and why does Tom love them so dang much?

Preview: Rats! Cheddar Heist!

Thu, 28 Mar 2024

With Tom as their DM, Ella, Caroline, and Ellen Weatherford team up for a dicey heist in the big apple. Only one catch: they're rats! Can Rex, Tango, and Muriel ratatouille their way to nab the cheddar, or will they crumble like feta? Believe it or not this is only the first quarter of the full 2 hour episode that you can only get by becoming a member at MaximumFun.org/join

59: Quantum Physics & Gossip

Thu, 21 Mar 2024

Can Tom finally take on his science communication white whale: Quantum Physics?? And what is gossip, what did it mean in the past, and could it actually be... good?? Find out on a very special MaxFunDrive episode!

Go Fact Yourself MaxFunDrive Kick-off Spectacular featuring Ella Hubber, Tom Lum, Teresa McElroy, Ross Blocher, and Jordan Morris

Mon, 18 Mar 2024

IT'S THE MAXFUNDRIVE!!! And we're kicking it off with a network-wide trivia competition with other MaxFun hosts! You can see all our upcoming events during the drive and become a member at www.LetsLearnEverything.com

58: Kelly & Zach Weinersmith, Mars Ecology, and Space Communes

Thu, 14 Mar 2024

What would a man-made ecosystem look like on mars? Just how complicated could it possibly be? And are the human and societal issues just as complicated? Science communicators and authors Zach and Dr. Kelly Weinersmith ask and answer all of these questions and more!

57: Don't Lose Your Head! and Constructed Languages

Thu, 29 Feb 2024

Losing your head isn't good, but what actually happens, and what can it tell us about animals, ethics, and bad science? And what is a constructed language, when does it fail, and when can it be use to make great... art? As they say, Ni Lernu Ĉion!

56: Are We Still Evolving? & Famous First Messages

Thu, 15 Feb 2024

How have human beings evolved, and how could we evolve in the future? And what are some famous first messages, and what can we learn from looking at them?

55: Evolving Electricity & What's "Women's Work"?

Thu, 1 Feb 2024

How did eels evolve electricity? And when is "women's work" neither "women's" nor "work"?

Recast: LLE on Creature Feature - The Bird Pee Technique

Thu, 18 Jan 2024

While we take our January break we're rebroadcasting our appearance on Creature Feature! Katie pulled out some of the wildest facts for us, so enjoy, thanks for your patience, and see y'all in 2 weeks!

New Year Q&A

Thu, 4 Jan 2024

It's our annual Q&A episode where we look back on 2023 and answer your questions to learn about our process, our favorite things, and each other!

54: The HaLearnDay Extravaganza! 2023

Thu, 21 Dec 2023

It's the HaLearnDays! The time of year when we share gifts of fun facts from us and friends of the show!

53: Making Superheavy Elements, and Celebrating Public Domain Day

Thu, 7 Dec 2023

What are the superheavy elements, and how did we make them? And what is public domain day, and why is next year's going to be so interesting?

Submit Your Q&A Questions!

Thu, 30 Nov 2023

Submit your questions for our end of year Q&A episode at https://www.letslearneverything.com/question or in our discord!

52: Amy Westervelt, Carbon Capture, and the Cartoonishly Evil Atlas Network

Thu, 23 Nov 2023

Investigative journalist Amy Westervelt from Drilled asks us: what is carbon capture and is it good or bad or... complicated? What is the Atlas Network and why are they comically evil dark avengers of the climate world? And how do you go from recording a podcast in your car to creating an award winning podcast network?

51: Carcinization, The Animal Algorithm Mystery, and The Many Lemming Lies w/ Ellen Weatherford

Thu, 9 Nov 2023

Are we really all destined to turn into crabs? Why are there so many animal algorithms, and are they all legit? And just how many times have we been wrong about the lemming?

49: Goosebumps, (Not) Alien Pyramids, and Nessie & Cryptids

Thu, 26 Oct 2023

Why do we get goosebumps when we hear nails on a chalkboard? Obviously aliens didn't make the pyramids, but how were they made and what does that teach us about humanity? And what's the story behind nessie and why the queer community loves cryptids?

50: 🎂 The Ig Nobel Prize, The 2023 Ig Nobel Winners, and the Ig Nobel Peace Prize

Thu, 12 Oct 2023

For our 2nd anniversary and our 50th episode (which it definitely is, don't check) we cooperatively tackled a topic folks have been asking us to do for ages: The Ig Nobel Prize!

48: Wikipedia w/ Annie Rauwerda, The First Boring Number, and Perpetual Stew

Thu, 28 Sep 2023

We all use Wikipedia, but how did it come to be? What's the first number to not have a Wikipedia page, and what does that say about math and humans? And what on Earth is Perpetual Stew?

47: The Abyssopelagic Zone, The Crystal Healing Boom, and Time Capsules

Thu, 14 Sep 2023

What lies below the depths of the sea... and why should we stop being so afraid of it? Okay we know crystals can't heal you, but could they actually do... something? And why are time capsules more complicated than you'd think, and why should we love them anyway?

46: Lawn Loathing, Spelling Psammophile, and Guinness World Records

Thu, 31 Aug 2023

Why are lawns so bad, and what could we grow instead? How much can we learn from an esoteric word like Psammophile? And why is the Guinness Book of World Records wonderful and terrible at the same time?

45: Superseded Science, why is TB Still a Thing, and the Radium Girls

Thu, 17 Aug 2023

What previous scientific theories would turn into the ones we know today, and what can they teach us? Why is Tuberculosis still a thing in the modern age? And who were the Radium girls, and what did they give us?

44: Katie Goldin & Alex Schmidt, Space Birds, and the Bison Emoji 🦬

Thu, 3 Aug 2023

Special guests Alex Schmidt and Katie Goldin from Secretly Incredibly Fascinating and Creature Feature answer: Have birds ever been to space? Why does Katie love birds so much? And how did Alex bring about the bison emoji to everyone's phones?

43: Gravitational Waves, The Loneliest Animal, and Graffiti

Thu, 20 Jul 2023

How long have we been searching for Gravitational Waves? What is the loneliest animal, and what does it mean to be lonely? And what really makes graffiti... graffiti?

42: Gender Complexity, Mars Water Deja Vu, and Pigeons

Thu, 6 Jul 2023

How complicated is trying to scientifically study gender? Why does it feel like water get discovered on Mars every other month? And what's so great about these pigeons I see everywhere?

Best Of Everything!

Mon, 19 Jun 2023

It's our first Best Of episode! We sat down to listen to and talk about the topics YOU told us were your favorites! Temporal Illusions! Eurovision! Dodos, and so much more!

41: Eyevolution, Eliminating Mosquitos, and Bagged Milk w/ Sabrina Cruz

Thu, 8 Jun 2023

What are some of the wildest ways that eyes have evolved? What would happen if we got rid of all mosquitos, and how would we even do it? And how on Earth did some Canadians come to love bagged milk?

40: Mitochondrial Eve, Climate Change CRISPR, and Telephone Music

Wed, 31 May 2023

Who is the most recent human we all share our DNA with? How can CRISPR be used to help the climate crisis? And what do telephones have to do with music?

Tom-nical Difficulties: Back in a Week! (And the week after that!)

Thu, 25 May 2023

Tom threw out his voice screaming about the new Zelda game (not actually) so we're delaying the next episode. But! We're not shifting the release schedule so the next episode will still come out the Thursday after!

39: The Pill, The 2 Highest Points on Earth, and Period Products

Thu, 11 May 2023

What are the myths and facts around the hormonal birth control pill? Why are there two highest points on Earth, and does that teach us about our planet? And what are all the ways period products affect the world we live in?

38: Ellen Weatherford, Can Fish Drown, and Real Pokemon

Thu, 27 Apr 2023

Special guest Ellen Weatherford joins us to ask: just how interesting can water and fish be? And are there any pokemon inspired by strange but real animals?

37: Loving Toxicity, Future Warnings, and Better Burials

Thu, 13 Apr 2023

Is there more to learn than to fear from toxic animals? How would we warn future humans about present dangers? And what are the better ways for us to be buried?

Technical Difficulties: Back Next Week!

Thu, 6 Apr 2023

Apologies all, Ella's computer kicked the bucket, so we'll be back next week with a fresh episode!

36: Scientific Language Models, The Smell of Space, and Forgotten Olympic Events

Thu, 23 Mar 2023

Can Large Language Models be used for good in scientific fields? Could space smell... good? And what olympic events have we tried, abandoned, and completely forgotten about?

Recast: Just The Zoo Of Us: Rats w/ Let's Learn Everything!

Thu, 16 Mar 2023

Today we're rebroadcasting our appearance on Just the Zoo of Us as we prepare for an episode coming NEXT week for the MaxFunDrive! On this episode we combine our shows formats to bring you a full topic, question, and misc, all about one of the most misunderstood, intelligent, and rascally animals: the rat!

35: Don't DeExtinct the Dodo, Humans vs Computers, and Art Forgery

Thu, 2 Mar 2023

Is it really possible to bring back the Dodo, and what even really happened in the first place? Are there any games left that humans can beat computers at, and why might that be okay? And what can art forgery tell us about art and the art world?

34: The Replication Crisis, Human Senses, and Pride Flags

Thu, 16 Feb 2023

Is psychology doomed, or could the reproducibility crisis a good thing? How many senses do we really have? And what's the history behind all the pride flags you see?

33: Immortality, Before Trees, and Emojis 💩

Thu, 2 Feb 2023

Is immortality possible in humans or other animals? What was on Earth before trees? And what can we learn from emoji? 🤔

32: The Ozone Success Story, Turning Heads, and Eurovision

Thu, 19 Jan 2023

What's the story of how we successfully saved the ozone? Why and how can owls turn their heads around, and who else can? And can Ella convert Tom to the wonder that is Eurovision?

31: End of Year Q&A 2022

Thu, 29 Dec 2022

To round out the year we learn about the most interesting thing: each other! We talk about the process of researching and writing an episode, future sciences and science fiction, and laugh and cry reflecting on our favorite things from 2022.

30: The HaLearnDay Spectacular! 2022

Thu, 15 Dec 2022

On a very special holiday episode, Tom, Caroline, and Ella give the gift of learning! We've wrapped up our favorite fun facts to give to each other, and even gotten a few presents from some special guests!

29: What's in a Scientific Name, How Many Cells are in a Human, and What the British Museum Stole

Thu, 1 Dec 2022

What is the science of scientific naming, and could it actually be life saving? How many cells are in a human body, and why is it important to know? And how exactly did the British Museum... "acquire" all these artifacts?

28: Cerebral Organoids, Are Cats Liquids, and The Greatest Thing Since Sliced Bread

Thu, 17 Nov 2022

How can you study a brain without a brain? In what ways is a cat actually like a liquid? And why do we say The Greatest Thing Since Sliced Bread?

27: Zoologist Ash Campbell, Kleptoparasitism, and Australia's Best Animal

Thu, 3 Nov 2022

Today our guest Ashlen Campbell asks us: how do you stop a seagull from stealing your chips? And what can that teach us about the wild world of kleptoparasitism?

26: Pain, Vampiric Animals, and Penny Dreadfuls

Thu, 20 Oct 2022

How do we define pain, and what animals can feel it? How similar are vampires to real vampiric animals? And what are penny dreadfuls and how were they actually... good?

25: 🎂 The Timeline of Timekeeping, Origins of Speech, and the Birthday of Birthdays

Thu, 6 Oct 2022

It's the show's birthday! And we're going to celebrate with LEARNING! How much do we really know about the history of keeping time? When did human speech first arise, and how would we even figure that out? And when did the concept of birthdays have its birthday?

24: Self Experimentation, Amputation Archaeology, and Learning to Love PowerPoint

Thu, 22 Sep 2022

What are the pros and perils of self experimentation? What archaeological clues do we have to the first human amputation? And why should we actually learn to love PowerPoint?

23: Plastic's Past, Imperfect Pitch, and the Dumb History of Generation Naming

Thu, 8 Sep 2022

What is the history of plastic, and what could the future hold? Why is perfect pitch, not so perfect, and do any animals have it? And how on Earth did we end up with these meaningless names for generations?

A Big Announcement...!

Tue, 6 Sep 2022

A very special announcement!

22: Magnetic Mysteries, The Real Trolley Problem, and Hitchbot

Thu, 25 Aug 2022

How do animals sense magnetic fields? Why was the first Trolley Problem written? And who was hitchBOT?

21: Paleontologist Evelyn Vollmer, Figuring out the Age of the Earth, and What Defines a Dinosaur

Thu, 11 Aug 2022

How old did Aristotle think the Earth was? What makes a dinosaur a dinosaur? And how did our guest get into paleontology?

Test Ep 2: Bugs on Drugs, How Much Pi do we Need, and the Blackest Black

Thu, 28 Jul 2022

What happens when you gives bugs drugs? How many digits of pi do we actually need? And what is the drama behind the blackest black?

20: The Math of Conspiracy Theories, Why is Pluto not a Planet, and Animal Art

Thu, 14 Jul 2022

If all these conspiracy theories were real, what are the statistical odds they'd be kept secret? Why did Pluto get demoted from planethood? And can animals make art?

19: The Science of Gay, How Many Songs Fit in DNA, and Niche Sports

Thu, 30 Jun 2022

What is the nuanced science behind homosexuality in animals and humans? Is there a single gay gene? No. No absolutely not. But how many songs could you fit into a gram of DNA, and why would you want to? And what are some of the most niche sports and why are they still so great?

18: Radiocarbon Revolution, Space Babies, and Nail Polish

Thu, 16 Jun 2022

You've probably heard of Carbon Dating, but how are Astronomy, Biology, and Nuclear Physics involved? What are the problems with having babies in space, and how many animals have had babies in space? (surprisingly more than you'd think!) And what is the history of nail polish, and more importantly, our relationship with painting nails?

17: Cosmic Rays, Eye Colors, and the Most Disliked Instrument

Thu, 2 Jun 2022

What exactly are cosmic rays and how do they affect us? Why do humans have so many different eye colors? And why does everyone hate the triangle so much?

Test Ep 1: Machine Learning, Caterpillar Memories, and Love Island

Thu, 19 May 2022

This week we're releasing our very first test episode of the podcast! What are neural networks? Do butterflies remember being caterpillars? And what is Love Island? Content Warning: Mentions of suicide in the Misc Topic

16: The Trouble with Honeybees, Why Repeated Words Lose Meaning, and Speed Running

Thu, 5 May 2022

Follow Ella's new job's tiktok! https://www.tiktok.com/@cgtrm When we say save the bees, which bees are we talking about? What happens when you repeat a word and it loses meaning? And how could you design an experiment to figure that out? And what is speed running and why do we all love it?

15: What the Turing Test Became, Ella's Bodily Quirks, and Pub Quizes

Thu, 21 Apr 2022

What is the Turing Test, what has it become, and what can we learn from it? How many of Ella's weird bodily quirks do you have? And how did the pub quiz come about?

14: Domesticating Foxes, The Oldest Potted Plant, and Crosswords

Thu, 7 Apr 2022

Could you domesticate a fox, and what even IS domestication? What is the oldest potted plant, and, wait, what does Caroline mean by that question? And how did Tom go from hating crosswords to loving them?

13: The Golden Toad Mystery, All the Things we Left on the Moon, and the Oldest Bar Joke

Thu, 24 Mar 2022

What happened to the golden toad? How many things did we leave on the moon, and what are they? And what is the oldest recorded bar joke?

12: Thermal Biology, Why we have Periods, and Stickers

Thu, 10 Mar 2022

What do heat and temperature have to do with biology? (It turns out, a lot!) We know what periods are, but why do humans have them? And stickers are delightful but how did they come about?

11: Guest Steve Rathje, Insect Consciousness, and Theatre Science

Thu, 24 Feb 2022

Special guest Steve Rathje (@StevePsychology) asks us, do insects have consciousness? What, empirically, makes things go viral on social media? And what are the scientific effects of live theatre?

10: Video Game Epidemiology, Sneeze Smells, and Game Jams

Thu, 10 Feb 2022

What can a video game teach us about pandemics? What are the different things a sneeze can smell like? And what makes game jams so magical?

9: Beaver Reintroductions, Solving Mazes, and ASMR

Thu, 27 Jan 2022

What are the benefits of reintroducing a species after 400 years? Why do we make rats solve mazes, and can slime molds solve mazes? What is ASMR, and how did it become such a thing?

8: Recorded Sound, Prosopagnosic Pareidolia, and Meeting David Attenborough

Thu, 13 Jan 2022

To start the new year we learn about the science and history of recording sound, consider whether people with Prosopagnosia experience Pareidolia, and relive what it was like for Caroline to meet the one and only Sir David Attenborough.

7: End of Year Q&A 2021

Thu, 30 Dec 2021

Today we learn about the most interesting topic of all: each other! How did we get into our science fields, and how did we meet? What's our favorite science fact to tell at parties? What advice do we have for aspiring creators? Support us on Patreon at https://www.patreon.com/letslearneverything Join our Discord at https://www.LetsLearnEverythingPod.com/ We also learn about: our science origin stories, Tom used to be a theatre kid, Tom’s first podcast, our first TikToks, we’re on a first name basis with Hank, how we met, that time we all freaky friday’d, Ella DESPISED Tom, really long fly sperm, clinical fun fact trials, the immortal jellyfish, hermissenda, moths, Interstellar, The Martian, Demon Slayer, Edge of Tomorrow, advice on getting started on TikTok, Bill Nye could never, The Mower, MMM Honey! and nightmares. Videos we Mention: Caroline’s First Science TikTok https://www.tiktok.com/@caroline.roper.art/video/6916209031661014273 Tom's First TikTok https://www.tiktok.com/@tomlumperson/video/6950836651685858566 Ella's First Big TikTok https://www.tiktok.com/@big_science_energy/video/6891245735442926849 Caroline's Bloodwood Tree Video https://www.tiktok.com/@caroline.roper.art/video/6965114813231992069 Ella's Science Speedrun Video https://www.tiktok.com/@big_science_energy/video/6944752002240892166 Tom's RGB Video https://www.tiktok.com/@tomlumperson/video/6961929354678963462 Hank & John's Video about Having Each Other https://www.youtube.com/watch?v=jg-rkRw4IRI&t=155s

6: Genetic Chimeras, Judas Goats, and Toys

Thu, 16 Dec 2021

On a surprisingly deep holiday episode, we ask, what is a genetic chimera, could it save lives, and is it moral? What are Judas Goats, and what are the challenges faced in conservation? And most importantly, what were the first toys in history and most importantly, what were our favorite toys?

5: The History of Pregnancy Tests, The Middlest Size, and FanFiction

Thu, 2 Dec 2021

When was the first pregnancy test? If we know the biggest and smallest sizes in the universe, what is the middlest size? What's the deal with fanfiction?

4: Randomness, What Happens Without Sleep, and Stardew Valley

Thu, 18 Nov 2021

What are the uses of randomness, and how do we even get it? What happens to your body when you don't sleep? And is Stardew Valley secretly... a horror game?

3: Mind Controlling Parasites, Are Elephants Right Handed, and Naruto AMVs

Thu, 4 Nov 2021

How do mind controlling (or rather, behavior controlling) parasites work? Are elephants right or left handed? And what is so great about Naruto Bohemian Rhapsody AMVs?

2: Spooky Frogs, The Most Bones, and Witch Hunts

Thu, 21 Oct 2021

On this SpoOoOoky Halloween episode, we learn about a slew of truly spooky frogs, investigate which animal has the most bones, and see how capitalism may have led to the rise of witch hunts!

1: Time Illusions, Electric Bees, and Fakespeares

Thu, 7 Oct 2021

What does a time illusion look like? Why are bees electrically charged? Who is the real Shakespeare?

Trailer: Let's Learn Everything!

Mon, 4 Oct 2021

Science communicators Ella Hubber, Tom Lum, and Caroline Roper share anything and everything interesting! Each episode they teach each other about a science topic, answer a question, and learn about a miscellaneous topic. Whether it's bugs on drugs, temporal illusions, or reality tv, there's so much out there, so let's learn everything!