Show overview
Let's Learn Everything! has been publishing since 2021, and across the 5 years since has built a catalogue of 147 episodes, alongside 5 trailers or bonus episodes. That works out to roughly 220 hours of audio in total. Releases follow a fortnightly cadence.
Episodes typically run over ninety minutes — most land between 1h 21m and 1h 52m — and the run-time is fairly consistent across the catalogue. The publisher flags most episodes as explicit, so expect adult themes or strong language throughout. It is catalogued as a EN-language Science show.
The show is actively publishing — the most recent episode landed 5 days ago, with 24 episodes already out so far this year. Published by Tom Lum.
From the publisher
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
Latest Episodes
View all 147 episodes112: Life in Exclusion Zones & Every Single Character
Recast: Ella on That's Absurd, Please Elaborate
111: Astronaut Cady Coleman, Life in Space, and What Astronauts Learn
110: Horsepower & Makeup
109: Scientific Publishing
108: Quicksand and Other Childhood Worries & The Undying Game of Pinball
Second London Live Show! 1pm Sunday Oct 18th!
107: Sci Guys, Acupuncture, and THAT Dolphin Story
The Best of Everything 2026
106: The Polygraph & Dentistry History
Vote for the Best Of Everything! LetsLearnEverything.com/vote
105: The Marine Carnivore Question & Collecting
Preview: Frogs & Improv
MaxFunDrive Bonus: Tom's Casters on Casters
104: The Anthropocene Argument & Sound Effects
MaxFunDrive Kickoff! Ella's Casters on Casters
103: Sage The Bad Naturalist & The Frog Mushroom Mystery
102: The Vitamin Saga & The Evolution of Fairies
EWhy 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 did the cheerful fairy we know and love today, evolve into its current form? Well we'll only tell if you can answer our riddles three and- or you can just listen to the episode. Things we Talk About:James Lind Scurvy PaintingThe Various Vitamin BsVitamin MapBrownieFirst Fairy ImageCicely Mary Barker FairiesCottingley Fairies 1Cottingley Fairies 2Illusion SpinnersBitterbloom Bearer Timestamps: (00:00:00) Intro (00:03:05) The Vitamin Saga (00:57:54) The Evolution of Fairies (01:48:20) Outro Support us with a Max Fun Membership! Join our Discord! We also learn about: Will vitamin c cure me or murder me? more people died of scurvy than combat on the seas, Lind’s biblical scurvy experiment painting, vitamin Pee, maybe oranges are the fifth humor, beri beri, the gelatin comission, come onnn man it’s the 1800s give me a break, we know proteins carbs fats and minerals but something’s missing, STUDY MINERALS THEY SAID - YOU’LL WIN A NOBEL PRIZE THEY SAID, vital amines but they’re not amines, wait are vitamins like fish?? drop the e just vitamin, *mymymymy* all the vitamins are completely different?, some vitamins only exist for a few picoseconds in a supercollider, a bunch of vitamins got pluto’d, Vitamins are like a title, vitamer, VITAMIN D IS A HORMONE, wait maybe hormones are vitamins too, we haven’t talked about how vitamins work because they do Too Many Things, “we’re trying our best but sometimes our best isn’t good enough”, lifting the shadow of death, fitnessgirl250 actually has a PhD, food science is an applied science, the LLE supplement has all the dropped vitamins, vitamins are perfect for capitalism, there is not silver bullet, you can’t supplement your way into a healthy life, an appearance from she/her Caroline, the rainbow magic fairy books, we support evil fairies, the fickle house brownies, realizing fairytales are fairy tales, both high and low class could blame fairies, dressing boys as girls to protect them from the fae, booktok loves hot Rumpelstiltskin, American leprechaun traps, fae - fatah - the fates, when did fairies evolve wings, distinguishing from angels through insectification, fairies may have shrunk to be less threatening, Tom doesn’t know what a panto is, Victorians established the modern fairy, fairies went from robbing cribs to being trapped in the nursery, Cicely Mary Barker’s flower fairies, the collectability of fairies, 350 fairy books in 5 years, the Cottingley fairy hoax, fairies went from being about protecting sons to empowering girls, spelling fairy or faerie, Evyn Fong’s insectoid fairies, the review corner riddle, weaponizing review corner to talk to us. Semba: The Discover of the VitaminsRoyal Museums Greenwich: ScurveyScience History Institute: ScurveyBeriberi Review through Chinese Medical LiteratureDrummond's Naming of VitaminsNobel Laureats in the History of VitaminsSemba: On the Discovery of Vitamin ASciAm: What Vitamins Really Do --- It seem a mischievous fairy has stolen the fairy sources... I'll return them soon!
101: Why is the Sky Blue & Speech Disfluency
EFor 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 a lot of science to understand why! And what is speech disfluency? Well it's like... um... you'll see! Images we Talk About:Green FlashSunset Timestamps: (00:00:00) Intro (00:06:43) Why is the Sky Blue (00:54:28) Speech Disfluency (01:40:45) Outro Support us with a Max Fun Membership! Join our Discord! We also learn about: it’s like playing mozart for children, mystery spires, atmospheric optics is responsible for all the bangers, they didn’t have a word for blue but they could perceive it, davinci and newton were on the right track, and thus the liberal lie of the greenhouse effect was born, Tyndell was just trying to clean an air sample and saw it turn blue, Baron’s used to be useful at least, Tom’s mind gets rocked by Rayleigh scattering, why isn’t the sky purple, When was the sky blue? the great oxidation event, sky is atmosphere, why is the sun so tiny OH ITS FAR AWAY, Ella pulled a Tom at the intro, Ella’s filler montage, no swearing no fillers challenge, there’s no fillers in the speech we watch on TV and movies, we actually um-dope our podcast in post, people used filler words in the past too, it’s found in poems and the earliest recorded sounds, the valley girl like, natural language corpuses, the 2 genders are uh and um, fillers in other languages, parasite words, uh is almost universal, the function of filler, backchanneling, measuring um reaction times, a visit from Gretchen, um is like a swiss army knife, like as quotation marks or hedging, right *slaps knees*, the power of saying something which technically means nothing. StellarNet: A Brief History of the Sky’s BluenessBlog: The bizarre myth that Ancient Greeks couldn't see blue2023 Paper: Revisiting the question “Why is the sky blue?”Wiki- John TyndallThe Conversation: John Tyndall: the forgotten co‑founder of climate scienceWiki: Rayleigh ScatteringNASA: The Electromagnetic SpectrumScientific American: MiragesIFL Science: Orange SkyThe Great Oxidation Event: How Cyanobacteria Changed LifeRoyal Museums Greenwich: Why Is The Sky BlueMars in a Box: Martian Sunsets ---Wikipedia: Filler (linguistics)Thought Co: Definitions and Examples of Filler WordsThe Register: Why Do We Say Um?Paper: Listeners' Uses of Um and Uh in Speech ComprehensionNew York Times: So, Um, How Do You, Like, Stop Using Filler Words?University of Colorado Paper: We, um, have, like, a problemGuardian: Why Do People Say Like So Much?NPR: Why Do We Say Um So Much?BBC: Teen SlangPaper: Fillers, Pauses and PlaceholdersCambridge: Hidden Use of FillersThe British National Corpus 2014Language Hat: The Mystery of FillersThe Atlantic : “Men Say 'Uh' and Women Say 'Um'”Language Log: Men and Women’s Use of WordsJStor: Filler Words and Floor HoldersTHE CALIFORNIA STORY 1906 By Thomas A. Edison
Out Sick Recast: SciShow Tangents w/ Tom!
ETom & 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 livestream, basically a video podcast! OR check out all our other stuff at https://www.LetsLearnEverything.com/ Thanks for your patience y'all! - Tom, Ella, & Caroline
