Let's Learn Everything!

It's the Best of Everything! The episode where we look at the topics that YOU thought were our best from the past year, and chat some behind the scenes about them! It's a great place to start and a great time to brush up on things you may have forgotten.

Transcribed - Published: 4 June 2026

You may know the polygraph is junk science, but what is the real science of lying and what wild turns did the polygraph take to get to today? And how old is dentistry? If ancient cave men didn't brush why do I have to? Well it turns out for good reason, and some fascinating dental science.

Transcribed - Published: 21 May 2026

It's that time of year to vote for the Best Of Everything! https://www.letslearneverything.com/vote

Transcribed - Published: 20 May 2026

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 collection? Well it goes way back in time, and can cover anything and everything interesting, and maybe even teach us about ourselves and each other.

Transcribed - Published: 7 May 2026

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 like!

Transcribed - Published: 30 April 2026

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 details about MFD perks, the livestream, and how to support the show, go to LetsLearnEverything.com!

Transcribed - Published: 27 April 2026

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 a surprising amount of freaky little guys. And we all know of some sound effects we love, but what is their history, where are the weird places they've shown up, and what can they teach us about art?

Transcribed - Published: 23 April 2026

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 details about MFD perks, the livestream, and how to support the show, go to LetsLearnEverything.com!

Transcribed - Published: 20 April 2026

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 answer all our festering fungus questions!

Transcribed - Published: 9 April 2026

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 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.

Transcribed - Published: 26 March 2026

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 a lot of science to understand why! And what is speech disfluency? Well it's like... um... you'll see!

Transcribed - Published: 12 March 2026

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 livestream, basically a video podcast! LetsLearnEverything.com/p4a2026

Transcribed - Published: 26 February 2026

You asked, and we finally answered, today we are Finally, actually learning everything! Something that is definitely possible and easy to do. Caroline covers infinity, which can include basically anything, Ella covers what everything is made of, and Tom does the rest! Simple, right?

Transcribed - Published: 12 February 2026

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 everything else from dinosaurs to medieval almond milk!

Transcribed - Published: 29 January 2026

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 solve this escape room!

Transcribed - Published: 15 January 2026

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 a bit more about us, science, and the show!

Transcribed - Published: 1 January 2026

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!

Transcribed - Published: 18 December 2025

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, and why do we reach for it?

Transcribed - Published: 4 December 2025

http://www.LetsLearnEverything.com/q It's time to submit your questions for our annual Q&A episode!

Transcribed - Published: 1 December 2025

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 how many parables and metaphors that we use are actually true? Let's actually dig in to the research and bust some myths!! I mean... break some... falsehoods!!

Transcribed - Published: 20 November 2025

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 censored across the world, and what does that tell us about the world itself?

Transcribed - Published: 6 November 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?

Transcribed - Published: 23 October 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?

Transcribed - Published: 9 October 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??

Transcribed - Published: 25 September 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!

Transcribed - Published: 11 September 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?

Transcribed - Published: 28 August 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?

Transcribed - Published: 14 August 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!

Transcribed - Published: 31 July 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.

Transcribed - Published: 17 July 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?

Transcribed - Published: 3 July 2025

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

Transcribed - Published: 19 June 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.

Transcribed - Published: 5 June 2025

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

Transcribed - Published: 29 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?

Transcribed - Published: 22 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?

Transcribed - Published: 8 May 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?

Transcribed - Published: 24 April 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?

Transcribed - Published: 10 April 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!

Transcribed - Published: 27 March 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?

Transcribed - Published: 20 March 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!!

Transcribed - Published: 17 March 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.

Transcribed - Published: 13 March 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?

Transcribed - Published: 27 February 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?

Transcribed - Published: 13 February 2025

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

Transcribed - Published: 30 January 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!

Transcribed - Published: 16 January 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?

Transcribed - Published: 2 January 2025

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!

Transcribed - Published: 19 December 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!

Transcribed - Published: 5 December 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!

Transcribed - Published: 28 November 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?

Transcribed - Published: 21 November 2024