Let's Learn Everything!
Episodes
105: The Marine Carnivore Question & Collecting
07 May 2026
Contributed by Lukas
Are there more carnivores in the ocean than land? Yes! But... why? And what does that teach us about how we study ecosystems? And what constitutes a c...
Preview: Frogs & Improv
30 Apr 2026
Contributed by Lukas
Caroline's Frogs campaign and our improv class were some of our favorite bonus episodes we've done, so we wanted to share a sample of what they sound ...
MaxFunDrive Bonus: Tom's Casters on Casters
27 Apr 2026
Contributed by Lukas
Folks we're halfway through the MaxFunDrive! And to keep the celebration we have Tom chatting behinds the scenes with other Max Fun hosts! For all the...
104: The Anthropocene & Sound Effects
23 Apr 2026
Contributed by Lukas
What is the Anthropocene? No really, who came up with it, when does it start, and why does that matter? Well it involves nuance, scientific beef, and ...
MaxFunDrive Kickoff! Ella's Casters on Casters
20 Apr 2026
Contributed by Lukas
IT'S THE MAX FUN DRIVE!!! We kickoff with a crossover "Casters on Casters" with Ella chatting behinds the scenes with other Max Fun hosts! For all the...
103: Sage The Bad Naturalist & The Frog Mushroom Mystery
09 Apr 2026
Contributed by Lukas
Why aren't mushroom animals? Why is this mushroom growing out of a frog?? WHAT KIND OF MUSHROOM IS TOAD?!?! Well Sage the Bad Naturalist is here to an...
102: The Vitamin Saga & The Evolution of Fairies
26 Mar 2026
Contributed by Lukas
Why are there so many vitamins, what even IS a vitamin?? Well Tom finally understands, and takes us on a tour through their infuriating past. And how ...
101: Why is the Sky Blue & Speech Disfluency
12 Mar 2026
Contributed by Lukas
For episode 101, we're challenging ourselves to make a technically family friendly, swear free episode! Why is the sky blue? Well it turns out it took...
Out Sick Recast: SciShow Tangents w/ Tom!
26 Feb 2026
Contributed by Lukas
Tom & Ella are out sick! So enjoy this recast of when Tom was healthy and on SciShow Tangents! OR enjoy our 2 hours on the Project 4 Awesome livestrea...
100: Everything
12 Feb 2026
Contributed by Lukas
You asked, and we finally answered, today we are Finally, actually learning everything! Something that is definitely possible and easy to do. Caroline...
99.5: Iszi Lawrence, Getting to Ancient Egyptian Heaven, and Storytelling
29 Jan 2026
Contributed by Lukas
The author, historian, and person of many fascinations Iszi Lawrence teaches us how to get into ancient Egyptian heaven! Plus we learn about a bit of ...
Recast: Escape This Podcast - Oceananigans
15 Jan 2026
Contributed by Lukas
While we take some time to rest and plan out the new year, enjoy our episode of Escape This Podcast as the three of us use cleverness and chaos to sol...
New Year Q&A 2026
01 Jan 2026
Contributed by Lukas
It's the new year! Which means it's time to learn about the most interesting thing... ourselves?? We answer YOUR questions with OUR answers, so learn ...
99: The HaLearnDays! 2025
18 Dec 2025
Contributed by Lukas
The HaLearnDays are here!! And with it come learning, laughs, and fun facts from us and friends of the show, as well as a few surprise new friends!Ima...
98: Extremophiles & Astrology
04 Dec 2025
Contributed by Lukas
What are the most EXTREME lifeforms on Earth, and how are they surprisingly important to study? And what is the long yet recent history of astrology, ...
Submit your Q&A Questions!
01 Dec 2025
Contributed by Lukas
http://www.LetsLearnEverything.com/qIt's time to submit your questions for our annual Q&A episode!
97: Sneezing & Parable MythBusters
20 Nov 2025
Contributed by Lukas
What, when, where, why, and how... do we sneeze? There's a surprising amount of mystery to the thing we do all the time, and a lot to learn about! And...
96: Fossoriality & Movie Censorship
06 Nov 2025
Contributed by Lukas
How have animals adapted to the digging lifestyle, and can that help us explain the Devil's Corkscrew? And what are the various ways movies can be cen...
95: 🎂 Superheavy Elements 2, Craftivism 2, and Tom's List
23 Oct 2025
Contributed by Lukas
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...
94: Paranormal Psychology & Defunct Halloween Traditions
09 Oct 2025
Contributed by Lukas
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 psychol...
93: Unsolved Math Problems & Video Game Controllers w/ Ellen Weatherford
25 Sep 2025
Contributed by Lukas
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...
92: The Chemistry of Computers & The Great Moon Hoax of 1835
11 Sep 2025
Contributed by Lukas
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 t...
91: Lauren Gawne, Is Pointing Rude, and Gestures Studies
28 Aug 2025
Contributed by Lukas
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 ab...
90: Octopuses & The Paralympics
14 Aug 2025
Contributed by Lukas
How strange are octopuses really? We're going to be debunking some claims, then rebunking them with some real, amazing facts about our fellow earthlin...
89: Understanding Blood & Peculiar Percussion
31 Jul 2025
Contributed by Lukas
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 c...
88: The Evolution of the Placebo & Postage Stamp Art
17 Jul 2025
Contributed by Lukas
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 h...
87: Mating Rituals & True Crime
03 Jul 2025
Contributed by Lukas
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 f...
The Best of Everything 2025
19 Jun 2025
Contributed by Lukas
Listeners voted for their favorites topics of the past year, so join us as we chat and relearn the best of everything!Support us with a Max Fun Member...
86: Eyevolution 2 Eyelectric Boogeyeloo & Digital Piracy w/ Sabrina Cruz
05 Jun 2025
Contributed by Lukas
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 ...
Vote for the Best Of Everything 2025!
29 May 2025
Contributed by Lukas
Vote for your favorite topics at LetsLearnEverything.com/bestof before Sunday June 8th!!!
85: David Bennett & Why Humans Like Harmony in Music
22 May 2025
Contributed by Lukas
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
08 May 2025
Contributed by Lukas
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...
83: The Most Boring Element & Solving Shakespeare's Accent
24 Apr 2025
Contributed by Lukas
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...
82: International Space Law & Taxidermy
10 Apr 2025
Contributed by Lukas
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 his...
Preview: The Lab Rat Games
27 Mar 2025
Contributed by Lukas
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 int...
81: Dinosaur Diet Detectives & Proto-Podcasts
20 Mar 2025
Contributed by Lukas
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! A...
Tom, Ella, and Caroline join MFD Spring Break
17 Mar 2025
Contributed by Lukas
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 M...
80: Ify Nwadiwe, The Science of the Peasant Railgun, and a Panoply of Nerdery
13 Mar 2025
Contributed by Lukas
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 actuall...
79: The Psychology of Math & Sudoku
27 Feb 2025
Contributed by Lukas
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 ...
78: Drosophila Melanogaster & The British Meal Deal
13 Feb 2025
Contributed by Lukas
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, ...
77: Light Pollution & Mistaeks
30 Jan 2025
Contributed by Lukas
What can we learn from the most modern - but overlooked form of pollution? And can mistakes in art be something actually... good?Images we Talk About:...
Recast: The Funcanny Valley - Spellbound and Gagged
16 Jan 2025
Contributed by Lukas
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 f...
New Year Q&A 2024/25
02 Jan 2025
Contributed by Lukas
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 ...
76: The HaLearnDays Spectacular! 2024
19 Dec 2024
Contributed by Lukas
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 learn...
75: Where are We? & Carrot Propaganda
05 Dec 2024
Contributed by Lukas
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 pr...
Submit Your Q&A Questions!
28 Nov 2024
Contributed by Lukas
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 questio...
74: Autumn Leaves & Swearing
21 Nov 2024
Contributed by Lukas
Why do leaves change color? No... like really? Like, show-me-the-scientific-literature-really? After all how mysterious could the answer be? And hol...
73: Linguist Gretchen McCulloch, Latin in Science, and Internet Linguistics
07 Nov 2024
Contributed by Lukas
Internet linguist Gretchen McCulloch of Lingthusiasm joins us to casually answer all of our pressing linguistics questions with the most mind blowing ...
72: Former Cryptids & The Art of a Scary Story
24 Oct 2024
Contributed by Lukas
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 se...
71: 🎂 Good Invasive Species, Rock Climbing, and Ig Interviews
10 Oct 2024
Contributed by Lukas
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? ...
70: The Core of the Earth & Planned Obsolescence
26 Sep 2024
Contributed by Lukas
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 Obsoles...
69: Hank Green, Sex Science, Reverse Platypi, and the First Dick Drawing
12 Sep 2024
Contributed by Lukas
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 ince...
68: Phrenology & Lego
29 Aug 2024
Contributed by Lukas
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 t...
Recast: LLE on SIF - Eeny, meeny, miny, moe
15 Aug 2024
Contributed by Lukas
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 netw...
67: Epigenetics & The Overlooked World Games
01 Aug 2024
Contributed by Lukas
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 ...
66: What is a Species & What is UK Voting?
18 Jul 2024
Contributed by Lukas
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 do...
The Best of Everything 2023-2024
04 Jul 2024
Contributed by Lukas
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...
65: Black Holes 101 & Tattoos
20 Jun 2024
Contributed by Lukas
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 tattoo...
64: Tom Scott, Human Acceleration, and Failed Videos
06 Jun 2024
Contributed by Lukas
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 ev...
Pride Merch & Voting for the Best of Everything!
30 May 2024
Contributed by Lukas
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! ...
63: Biomimicry & The Evolution of Chess
23 May 2024
Contributed by Lukas
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 ju...
62: False Memories & House Plants
09 May 2024
Contributed by Lukas
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 histor...
61: Whale Fall Ecology & Jury Duty
25 Apr 2024
Contributed by Lukas
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,...
60: Near Earth Objects & Guitar Tabs
11 Apr 2024
Contributed by Lukas
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 ...
Preview: Rats! Cheddar Heist!
28 Mar 2024
Contributed by Lukas
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, ...
59: Quantum Physics & Gossip
21 Mar 2024
Contributed by Lukas
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 actu...
Go Fact Yourself MaxFunDrive Kick-off Spectacular featuring Ella Hubber, Tom Lum, Teresa McElroy, Ross Blocher, and Jordan Morris
18 Mar 2024
Contributed by Lukas
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 ...
58: Kelly & Zach Weinersmith, Mars Ecology, and Space Communes
14 Mar 2024
Contributed by Lukas
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 compl...
57: Don't Lose Your Head! and Constructed Languages
29 Feb 2024
Contributed by Lukas
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 lang...
56: Are We Still Evolving? & Famous First Messages
15 Feb 2024
Contributed by Lukas
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...
55: Evolving Electricity & What's "Women's Work"?
01 Feb 2024
Contributed by Lukas
How did eels evolve electricity? And when is "women's work" neither women's nor work?Images we Talk About:SocksMore SocksThimbleBagCrochet ArtTimestam...
Recast: LLE on Creature Feature - The Bird Pee Technique
18 Jan 2024
Contributed by Lukas
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...
New Year Q&A
04 Jan 2024
Contributed by Lukas
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!Suppo...
54: The HaLearnDay Extravaganza! 2023
21 Dec 2023
Contributed by Lukas
It's the HaLearnDays! The time of year when we share gifts of fun facts from us and friends of the show!Support us with a Max Fun Membership!Join ou...
53: Making Superheavy Elements, and Celebrating Public Domain Day
07 Dec 2023
Contributed by Lukas
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?Things ...
Submit Your Q&A Questions!
30 Nov 2023
Contributed by Lukas
Submit your questions for our end of year Q&A episode at letslearneverything.com/question or in our discord!
52: Amy Westervelt, Carbon Capture, and the Cartoonishly Evil Atlas Network
23 Nov 2023
Contributed by Lukas
Investigative journalist Amy Westervelt from Drilled asks us: what is carbon capture and is it good or bad or... complicated? What is the Atlas Ne...
51: Carcinization, The Animal Algorithm Mystery, and The Many Lemming Lies w/ Ellen Weatherford
09 Nov 2023
Contributed by Lukas
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 be...
49: Goosebumps, (Not) Alien Pyramids, and Nessie & Cryptids
26 Oct 2023
Contributed by Lukas
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 te...
50: 🎂 The Ig Nobel Prize, The 2023 Ig Nobel Winners, and the Ig Nobel Peace Prize
12 Oct 2023
Contributed by Lukas
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 fo...
48: Wikipedia w/ Annie Rauwerda, The First Boring Number, and Perpetual Stew
28 Sep 2023
Contributed by Lukas
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? A...
47: The Abyssopelagic Zone, The Crystal Healing Boom, and Time Capsules
14 Sep 2023
Contributed by Lukas
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...
46: Lawn Loathing, Spelling Psammophile, and Guinness World Records
31 Aug 2023
Contributed by Lukas
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 ...
45: Superseded Science, why is TB Still a Thing, and the Radium Girls
17 Aug 2023
Contributed by Lukas
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 ...
44: Katie Goldin & Alex Schmidt, Space Birds, and the Bison Emoji 🦬
03 Aug 2023
Contributed by Lukas
Special guests Alex Schmidt and Katie Goldin from Secretly Incredibly Fascinating and Creature Feature answer: Have birds ever been to space? Why do...
43: Gravitational Waves, The Loneliest Animal, and Graffiti
20 Jul 2023
Contributed by Lukas
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 g...
42: Gender Complexity, Mars Water Deja Vu, and Pigeons
06 Jul 2023
Contributed by Lukas
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 ab...
Best Of Everything!
19 Jun 2023
Contributed by Lukas
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! Dod...
41: Eyevolution, Eliminating Mosquitos, and Bagged Milk w/ Sabrina Cruz
08 Jun 2023
Contributed by Lukas
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 o...
40: Mitochondrial Eve, Climate Change CRISPR, and Telephone Music
31 May 2023
Contributed by Lukas
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 ...
Tom-nical Difficulties: Back in a Week! (And the week after that!)
25 May 2023
Contributed by Lukas
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 sc...
39: The Pill, The 2 Highest Points on Earth, and Period Products
11 May 2023
Contributed by Lukas
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 pla...
38: Ellen Weatherford, Can Fish Drown, and Real Pokemon
27 Apr 2023
Contributed by Lukas
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 ...
37: Loving Toxicity, Future Warnings, and Better Burials
13 Apr 2023
Contributed by Lukas
Is there more to learn than to fear from toxic animals? How would we warn future humans about present dangers? And what are better ways for us to be...
Technical Difficulties: Back Next Week!
06 Apr 2023
Contributed by Lukas
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
23 Mar 2023
Contributed by Lukas
IT'S THE MAX FUN DRIVE!!!See our Game Night Livestream Monday March 27th at 5pm EST!Get cool drive rewards and listen to our special bonus episode!Can...
Recast: Just The Zoo Of Us: Rats w/ Let's Learn Everything!
16 Mar 2023
Contributed by Lukas
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 w...
35: Don't DeExtinct the Dodo, Humans vs Computers, and Art Forgery
02 Mar 2023
Contributed by Lukas
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 comput...
34: The Replication Crisis, Human Senses, and Pride Flags
16 Feb 2023
Contributed by Lukas
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 p...
33: Immortality, Before Trees, and Emojis 💩
02 Feb 2023
Contributed by Lukas
Is immortality possible in humans or other animals? What was on Earth before trees? And what can we learn from emoji?🤔Things we talk about:The ...