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Body Bonanza: Yawns, hiccups, goosebumps and more!
Hello brains on listeners. Molly bloom here before we get to today's episode. I wanna tell you about a top secret project that we've been working on over here at brains on headquarters. It's a brand new kids history podcast with a brand new host, my friend, joy Dolo, she's gonna stop by the studio to say hi next week. But in the meantime, here's a sneak peek of our new show forever ago. Have you ever wondered who made the first sandwich? Or what the first video game was or who invented shoes? I'm joy Dolo. And I'm out to answer these questions and more with a brand new kids history podcast called forever ago. Every episode we dive deep into the history of one cool thing and along the way. Well, here's some incredible stories like how a curious teenager revolutionize skateboard. Arly how alarm clocks used to just be people rise and shine and how the poopie moti almost didn't happen. Coming eighth. You can find forever ago on apple podcasts or wherever you listen. You're listening to brains on we're serious about being curious brain John supported him part by a grant from the National Science Foundation. A few months ago producers Mark Sanchez, do Sandon Totten. And I notice that we've received a heap of questions about the human body. I'd call it a mountain or even an avalanche a lot of questions. So we set ourselves the task of answering nine of them in the course of one episode and that episode is today on top of the nine questions. We wanted to give ourselves a little additional challenge, we're answering each one in a different style fairy tale poem movie trailer song and to decide which question dot, which style we pulled them out of a hat. So we've been working on tracking down answers to nine of your questions and are super excited to share them with you today. G listening. You're listening to brain zone for American public media. I'm Molly bloom here. With me today to help us navigate this body. Bonanza is co hosts ridicule gird jar from Arlington, Massachusetts. Hello ridha. Hello. And as you heard earlier, we also have producers, Mark Sanchez and Sandon Totten. Hey Riddick Riddick cut. We need you to keep us moving today and make sure we get all nine of these questions in a timely fashion. Are you up to the task, of course, in a spirit of officiency? Let's jump right into the first question Mark was assigned one that a lot of you have asked. Hi, my name is Wong mining Kate, South Korea. I leaving Sanchez gal in the quicken. Why do people got what causes hit got? I was tasked with answering. This question in the form of a fairytale. I call it taco Tuesday. Once upon a time knows that boy named Matteo potatoes. Three favorite things in the world were trained. Tigers and talks Matteo really love talks on Tuesdays Matteo never dilly-dallied after school. Like he sometimes did. In fact, he practically sprinted home after he finished all his homework and did all his chores, Matteo grab distort and he stood next to his oil at. She added the file ingredients for the night's dinner. Tacos is does least but attack Omar this. Oh, definitely. I'm always ready for tackle Tuesday stubby in Bama, Sacramento, Mataz, younger sister Isabella. It's to talk AP's Easter sprinkled with cheese and lettuce, delicious grass gas well materials. Mom and dad each eat three talkers, they add to trill onions and a squeeze of fresh line. You've really outdone yourself this time, indeed their fix shown stop at two tacos or even three on taco Tuesdays Matteo. It's four tacos before biting into the first he adds a few jalapeno peppers. A dash of hot sauce. But by the time he needs to the fourth taco, it is piled high with hall opinions and dripping with hot sauce his mouth feels like it's on fire. It's so hot he can barely feed. But he does. And he loves it opened gusty go modules, Graciosa belief that been then as Matteo and Isabella clear the table. He makes this noise everyone laughs, including Matteo. A couple minutes later, they still haven't gone away. Even after half an hour after all the dishes have been washed and put away after bass had been taken after teeth have been brushed the problem. Continued those hiccups would not stop. Emme Pua this abrasive, but propia Quinta. I know I will eat the hiccups usually do go away on their own. But I'm getting a little nervous. It's been our nobody is laughing anymore then out of nowhere Isabela jumps from around the corner and yells. What was that four? I heard hiccups Galway. Someone scares you. Hear try drinking this glass of water deer. That usually helps me get rid of hiccups Matteo drank the entire Cup without stopping and then. Nope. That didn't work or girded. I've got it here. Take these paper bag and breathe into it for sixty seconds bag steadily feldon emptied is Matteo breathed into it for a minute. But alas it's no working as Matteo went to his room to get ready for bed. He was very worried. His hiccups would never go just before he climbed into bed. He looked in his mirror and asked how am I ever going to get rid of these hiccups? Usually when someone looks in the mirror asks a question like this. There is no reply, but this time. You have to distract yourself. Dear who who's there say usable? Oh heavens. No. I'm Gladys Gladys graduate glut guide Greek give her a voice and guardian of the trachea. Glenties glue. What Gladys dear Gladys Gladys? Call Meizhai all my friends do. Okay, G G who or what are you? I know everything there is to know about the Gladys think of me as you're very godmother for hiccups. The gluttonous is a space between your vocal cords in the back of your throat. Most parts of the body have some sort of very attached to them. Let's see there's hair follicle. Harry. I'm always losing track of what he's up to. Oh and up pen pancreas. We have lunch together every Thursday. Then there's the lung twins Lucija and Lucius, and let's see those Tabitha toenail Linas intestine, Frankie, femur Carina and Kim kidney, Hymie heart. The list goes on and on. Why haven't I heard of you before a well, I guess you never ask for help before? But when you looked in the mirror and asked about hiccups, I was summoned and. And here. I am. Okay. Gee, why do I have those terrible hiccups because hiccups just happen? Our bodies in voluntarily produce hiccups. But in your case, it was the tacos tackles will actually it's what you put on your tacos, spicy foods like jalapenos and hot sauce can trigger hiccups. Oh, okay. But why do they have to make that annoying? Sound each hiccup starts with very quick intake of air and right after that lattice closes that's where the hick sound comes from the Gladys sits atop the trachea the passageway for air to flow in and out of our lungs. Every time you swallow. The Gladys shut so food doesn't go down the wrong pipe fascinating. Isn't it? Yeah. Cool. But that to the question, gee, gee, how can I get rid of those hiccups? You haven't hit up since we've been talking your, right? My hiccups there. Each remedy you. Tried had one thing in common. Getting scared. Drinking water breathing into a bag. Those are all forms of distraction. Your body needs a distraction to focus on something other than hiccups. So why am I told you about all the other body fairies your body focused on something new hiccups, gone grass? Yes. G G denied Matteo went to sleep that night. Dreaming of trains Tigers and even talk, but in his dream at least this want. He skipped the hot sauce and jalapenos. I have to admit I love tacos too. And I often find myself with hiccups because I make them super spicy. Does does that ever happen to you? Yes. Always make me spicy food hiccups. Yeah. We'll now we know why. Okay. One down eight to go Sandon your turn. You're given this head scratcher. Why did we get dizzy when we spin? Okay. Not only did I get this question. I also got assigned to put it into a song. And it's a really cool explanation. It has to do with this fluid in your inner ear that sloshes when you move. I'd sing about it personally. But I don't wanna damage those amazing years we just talked about. So I got my pal GM Mora to help me out. And I'm going to warn you. You may feel a strong urge to boogie. When you out on the dance flow. Do you ever get that dizzy feeling like there's a disco ball spin it round in your head? But you moving well, just, hey. Hey. Give us. And. Which? From. When you change. And don't. On. Stop the stupa straw. With. There's an organ, and when you start spin that liquid starts moving laughing back and forth back and forth. It's been in the Tana. Signal for your brain saying, hey, maybe you'll do the hustle. Don't. Don't look. But when the song ends, and you stop your that liquids turning telling your brain that you're moving even though you're not. That's. Do. Goes down. Pantene people spend. Doozies? Prove. Two. Don't hit the ground. That was Jia Boris to gay dizzy disco right here on braids on f Keebler Listrik right Reta move us along here. You've been asked to answer. This question from Emma in Vernon British Columbia question is Barbie on. Why contagious the style? I drew from the hat for this one was a poem. An I in listed the help of neuroscientist Robert provine from the university of Maryland Baltimore County. He's the author of curious behavior, yawning, laughing hiccuping and beyond. Here goes everyone yawns from the night till the morn. We yon when we're old and before we are born when we were fetuses inside our mothers all of us, yawned one way or another. You know, who else yawns are animal associates cats, dogs sharks and most other vertebrates. So why do we and so many animals yon? We're not quite sure, but here are facts to build upon. When we're sleepy. Hey, we on when we're bored. And this is something that Dr provine has explored occurs at points of transition. So jahns purpose could be a call to attention athletes may yawn before big events and parachuters do it before things get intense so called the perk-up may be it's origin. But studies have found the cause is not lack of oxygen. So the next question. Why yawning contagious? Well, it's unclear how it is advantageous. Children under five don't catch yawns from others, nor do most animals, which make scientist wonder, if yawning might be a way to show empathy. They're not quite sure, but it is a possibility or perhaps, we're seeing something quite primal a social behavior. That's a kind of fossil. Here's something we know about this phenomenon. Catching a yawn from someone? We know is more common than catching a yawn from someone like a stranger, but those more sensitive. May be in danger of yawning whenever they see or hear the word, but at its root yawning shows that were part of a hurt. Thank you. I feel like yawning. Yes. Right. Because even just hearing the word can make you feel like yawning. So some of the rhymes in the those couplets were spot on and somewhere a bit of a stretch. So forgive me for that. But even though scientists aren't exactly sure why yawning is contagious all signs point to it. Having social roots other social animals like chimps and dogs also seem Tian contagious Lii. And one other thing I wanna point out before we move on. Is that a lot of these commonplace things that we all do hiccuping and yawning we don't necessarily have answers to the why questions here's Robert provine again. The commonplace. Scientists always develop estimates to see new difficult to detect things, and we tend to overlook things that are costly before us and Russia before we move on. Can I talk about one more mystery shore? Thank you. This one is a mystery related to the body specifically your ears. It's time for the mystery sound. Here. It is. I think we should hear that one more time since it's a short one. Any guesses Mark insana, and you can guess too. Let's let Riddick I guess. I it sounds like something scraping against something else. Yeah. I definitely hear something scraping. And then there's like a clique, which is sounds a little off scraping the growing me driving me. Crazy. I you know, what it kind of sounds like to me is like like a big marker when you're drawing on paper. The mark. Oh, right. Right. Like a big felt marker. Yeah. And the click maybe the a cap closing. Ooh. I like this mystery sound teamwork. This been what does this have to do with bodies? Yes. So we will be back with the answer later in the show. Brands on. Okay. So far, we've tackled hiccups yawns. And getting dizzy, what is next this time goosebumps? My name is is e and I am from Raleigh North Carolina. My question is how do happen. Okay. Mark back to my chosen style to explain. This a TV sitcom since sitcoms are usually around a half hour, and we don't have that much time on the show. I decided to make up a sitcom theme song that promotes the new step Assode of white. Goosebumps. The next episode of deuce bums, Jared goes fishing, Carl. We think it was going to be at United to go ice fishing in the gun. Jackie. Yeah. Not only my Coltman kind of scared to that's like goosebumps top goosebumps. What with all the adrenalin bodies producing. Just look at the hairs in my arm. They're standing on end. Yeah. And the tiny muscle the base of each hairs contracting to cause a skin around to push out sort of looks like chicken skin, or you know, goes balls. Goes up. Do you think brains on would be better with the laugh track? If it means my jokes will always get a laugh, then bring it on you say that again. Okay. Bring it on. No. We're going to be back with more answers to body questions in a minute. But I have a question for you our listeners or working on his show where we're going to talk about the invention of video games. And we want your help dreaming up the future. So tell us if you were designing the video game of the future. What would it be like Mark fan, Dan? What's your dream video game of the future? I think that my video game of the future would kind of be taking video games off the screen and going back into the real world. Think about pacman. I would have I would sit up a bunch of pancakes. Maybe and I was like gobble them up and try to eat like maybe ghosts that were in VR something like, okay, I thought it was just going to be like you eating pancakes. Like, mark. That's brunch. Right. That's Sunday brunch. That's a good plan. I like it right now he doesn't get high score for eating all the. Yeah. Maybe I could eat a cherry or some. Okay. I like it. Yeah. And you'd get a superpower instead of just getting really fully excellent. Okay. Sanded? What is your video game of the jour-? Well, as you know, Molly, my life is already really exciting. I'm always going ventures saving people and getting treasurer and I wanna video game. That's the opposite of my already amazing life. I just wanna video game where I sit on the beach. And the only challenge is getting the drink from my side table to my mouth, spilling Hawaii. Hawaii. Good. It's relaxing. So it's sort of like it's a game for relaxation, maybe some meditation. They're yes chill video game. Yeah. Are both brilliant ideas, so listeners, please send us your ideas by heading to brains on dot org slash contact. And if you have mystery sounds ideas are questions, you can send them to us at that, same brains on dot org slash contact. That's sky. Did my question is why do we have to? We'll be back with the answer to that. At the end of the show during our moment of and will read the latest listeners to be added to the brains honor roll stick around. Today's episode is sponsored by quick one of the most important things we do for health everyday is brushing our teeth yet. Most of us don't do it. Properly. You're supposed to brush your teeth for two minutes twice a day. But that two minutes can feel like a really long time. That's why quips built in two minute timer. Pulses are a great reminder of how to brush and keeps you engaged while you're doing it it pulses every thirty seconds to remind you when to switch sides, helping guide a full and even clean the quipped. Toothbrush was created by dentists and designers to make brushing your teeth more simple, affordable and even enjoyable. That's why I love quip and why they're backed by over twenty thousand dental professionals quip starts at just twenty five dollars. And if you go to get quip dot com slash brains on right now, you get your first refill pack for free with a quip electric toothbrush. That's your first refill pack free at G E. T Q U IP dot com slash brains on. Today's episode is sponsored by build a bear workshop. A birthday is a big deal to a kid. And it's a big deal to everyone at build a bear workshop to at build a bear. There are special birthday offers and one of a kind experiences so you can make memories that last a lifetime during their birthday month. Kids get to count their own candles before making their birthday, treat, their the birthday, treat bear is a teddy bear made just for birthdays that only costs as much as the age year, celebrated if your child is turning five the birthday, treat bear only costs five dollars when a child celebrates their birthday at build a bear workshop, they get the full build a bear experience, plus a special birthday heart ceremony birthday party hat. Happy birthday song and more. Visit build a bear dot com. For more details on the count your candles offer and all the fun ways. To celebrate birthdays at build a bear workshop. This offer is valid in stores for bonus club members create an account in stores or online to join the bonus club for. For free. Visit build a bear dot com. For more details. You're listening to brains on body bonanza. I'm Molly bloom. I'm girja. I'm Mark Sanchez. And I'm San Anton a full studio today, we're answering nine count them nine of your questions today, and we still have five to go. So let's keep moving. Okay. I'll go next. Excellent. Here's your question. Hi. My name is a high volume is drunk. Why do you get pinging needles? Okay. So pins and needles that feeling when your arm or leg or footfall the sleep? Then you move it. And it's all prickly for awhile Sanan, please tell us what's going on here. Okay. Let's see. I got this one hold on. Pocket here. It is my Paris these Lia shopping list. Paris these Lia? Oh, yeah. That's that's the formal scienc- name for Pinson needles. What's on your list? Okay. Let's see clothes pins a garden hose ginger ale. Silly putty a pin cushion, obviously, obviously Rice Krispies, and oh, yeah. Toilet paper. Okay. That's your list. Now, why those things well pins and needles has to do with your nervous system. So that's the system of nerves all over your body that feel the world and send signals to your brain when your leg falls asleep. Let's say it's because you pinched some nerves cutting them off from the brain. Maybe you've been sitting on your leg for a long time in a weird position. So that squeezes those nurse. Basically. It's like you stuck a close pin on them. And that makes them stop sending signals to the brain blood also helps to keep your nerves happy. And when you sit on your leg for a long time that cut. The blood flow kind of like when you put a kink in a garden hose and the water can't get through. That's why hoses are on my list. Okay. How about ginger ale? Okay. So while the nerves are pinched and the blood flow is restricted your leg starts falling asleep. That makes it feel like the fizzing of ginger ale once it's fully asleep. It's all numb gooey. And to me that always feels like silly putty. That's why put that on the list. Okay, next. You wrote down pincushions naturally because that's what your leg. Feels like when he finally move it and the blood flow returns full force, and those nerves are unpaved. It's like you're being poked with hundreds of tiny little needles. That's the feeling of your nerves suddenly coming back to life. They're waking up and firing at random times as reboot. It's kind of like the random popping of Rice Krispies cereal when you pour milk on them. Which is why I put that on the list to cool, then I'll makes perfect sense. So what about the toilet paper? Oh, oh, yeah. That'd nothing to do. With Paris Sesia. I'm almost out of toilet paper at home. I just wanted. I put on my list. Forget it. Sorry, guys. Molly. What's next? Well, you know, what I'd really like to go back to that mystery sound let's hear it again. Any new guesses? Sticking with the marker idea. Let's stay with Mark. Good. Sure. Good group effort, okay here with the answer is Nicole process of forensic scientists from the Minnesota bureau of criminal apprehension that was the sound of me opening a jar of fingerprint powder. So that that's scraping sound was the cap coming off. And then she put the cap down next to it and the the fingerprint powder, she has super cool, it's actually magnetic powder. So instead of a brush she has a magnet, which she dips into the magnetic powder when it comes out, it looks like this spiky crazy clump of magnetic powder on top of this rod muck like a sculpture kind of. Yeah. Kind of like a sculpture. And then she brushes it very gently onto whatever surface. They're trying to pick fingerprints up. Wow. Cool. That's cool. Very cool. We'll post a picture of what that looks like on our Instagram brains underscore on. Here's more from Nicole even identical twins who may look alike in photographs or pictures, actually, if you look closely at their fingerprints. They will be different. So we start out by looking at the fingerprint that we picked up and when we compare it. We will look at what we call known print so taken from somebody at the police station, potentially. And it it'll have all ten of their fingerprints and their palm prints, and we will look at them side by side. We will look at the overall pattern which is broken into three big groups called loops worlds and arches. And then we will start looking at the different pathways that those patterns take kind of like following amaze. You'll find different dead ends or endings or you'll see that the path will split in different places or fork off the main part of fingerprints that are left behind is. What? But there are also oils that are left behind or anything else that you may have touched throughout the day. Maybe a little bit of Cheeto dust, kind of like a stamp. And then if you want to try picking up your own fingerprints. You can do it really easily just by taking tape like sort of that clearer packing tape and putting your fingers on it. You will see your fingerprint, very, clearly if you do that, no mess involved. And this mystery sound was inspired by another question. We're answering today. This one was from Myrna in Dearborn Michigan. Why do we have fingerprints than what do we use them for? I think fingerprints are very interesting because detectives use them a lot in Aliquo pretend that I'm a detective I was tasked with answering this question through an interview. But Ridha has very graciously agreed to help me out. We spoke with Dr Rowland anos from the university of hull in the UK. What in the human body makes fingerprints fingerprints from all scheme, and as you will in the womb? They gradually develop and flee fool and by the time. You'll boom this leads the next question. Why do we have fingerprints will afraid because he also is we still don't really know for some reason scientists haven't really studied a great deal. But there are few ideas, one idea is that they to help improve on grip the problem with that's all idea is the actually having fingerprints reduces the area of in contact with the objects that your dating with and say that they should actually reduce friction, and if you will in IndyCar ta is the flat as possible to give his best grip. So having prints actually, wouldn't they fun tested for that. The second idea is they actually help us to have better sensitivity and in. People have put sensors and made modal fingerprints. And it's been shown the they do actually magnify movements and how you detect things bets, but doesn't really explain why we've go prince on outcomes of hands and soles of the feet. So that's a puzzle. And finally, another idea is they act sort of strengthening robes and lines. So that helps us to prevent getting blisters if you've ever gone walking you find you get blisters on this own of you'll feet all the talks toes, no Sony areas where their prince so that's also possibility we don't know, what do you think? I'm not really sure I think it helps us cents more things. Do you know why everybody's fingerprint is different? Very good question. They all rule different. But in fact, Riddick every Parsifal bodies is different. So we've got different ways we've got different high brows different eyelashes the skin ever else's different. The main thing about fingerprints is that the one part of your body Passand criminals would leave behind scene of crime. So that's why they've been so heavily used every day is totally unique. And of course, nowadays, we use DNA instead of prints as well as well as fingerprints. So that's another of our body that we actually leave behind a decree seen do our ancestor animals such as the gorilla have fingerprints. Also, do all primates have fingerprints. But also knew that fee. No. As we saw Mosul pills, then not related to us. They do climb trees in the same way as gorillas and monkeys. They also have fingerprints and one final exciting thing is new world monkeys with tales which used to grit prehensile tails, as we call them on the prehensile tails, they have prince just like fingerprints. So every animal which grips in the same way as they will have fingerprints Princeton those areas, I think that wraps up our questions they much for talking with us today. Is a pleasure to talk to you. All right, one more round of questions. Let's do this. I hear you have an old timey radio play up your sleeve to answer this question. Hi, my name is I'm from with. My question is how do you get a brain freeze? And why do they happen? Okay. Claire to answer your question. We're going to go back to the old time days of the radio. Boys and girls. Thank you for joining the WBAL radio playhouse. I'm your host, MAC macaroni. Dear listeners. I would like you to set your worries aside for just a moment. Join now about the WBO players have been leading us on a journey of exploration and adventure at the county fair. Now, sit back relax and enjoy. This new installment old friend Parsons is on stage getting ready to judge ice cream eating contest. Last call for the ice cream eating contest all contestants need to be on the stage at in their seats in thirty seconds. Well, sorry, doc I had to race over here from a pie eating contest. Now. That's what I call all the mode. All right, then the contestants are in place. Let's proceed the rules are simple first person to finish a half gallon of ice cream wins free ice cream for a year from Jackson's piggly-wiggly market. Let the ice cream. Begin. No. As Dr obliged to tell you to be careful not to let too much of that. Delicious. Cold, treat, your the roof of your mouth. If it gets too cold there. My don't worry. Kyle's going to be fine. He's just proving my point the roof mouth became too cold. Too fast. So blood vessels in his brain began to widen and try to warm it. Exactly, billie. Jean? I prefer to call it a cold stimulus headache, but to each his own now where was I? Yes by warning. Now, pay attention Carl and Billie Jean since each of your brains is housed in a skull. There's not much room for it to expand. When it warms up pressure builds up in the skull might Joe was my head. I think I might need a doctor for this screen heavy. Yes. My dear Jo lean. I'm here if you need me, but in this case, you should be able to cure yourself. I take smaller bites second. I know this is a contest. But if you don't want brain freeze slow down and finally tried to avoid putting the cold stuff near the roof of your mouth. Well, it looks like we have a winner where you miss nearly nearly be I'm eight and three quarter juiced. How did you eat all of that ice cream? So quickly. I guess like ice cream, I guess year on WB. I'm MAC macaroni, wishing wonderful tomorrow. Sandon you're up and here's your next question. Hi, my name's Amelia. Hi, my name is Isaac humor from Arlington Virginia in our question. Is why your teeth chatter on your cold? Yeah. I got asked to answer this in the style of Shakespeare. So here we go. When winter breezes blow across your frail and fragile form your brain reacts, it feels the chill and wishes to be warm. Your body keeps temperature for daily operation ninety degrees or so for thermal regulation. So when it's cold your body knows it must take action. Quick it. Decreases, sweat and the blood vessels near your skin constrict, Alaska loan, these things won't do. So there is more action muscles, they've relaxed a bit followed by contraction. We call this shivering it creates heat as muscles tencent days. It happens to your jaws as well, which hold your precious teeth. They click and Clack and tap and tap, they chatter if you may, but if it works healed game, some warmth the chill go away. Shakespeare would be proud in case people out there might need a little Shakespeare translation, what Dennis sane is that our muscles contract in order to try to generate heat. And that's where the teeth chattering in shivers. Come from only one more question, high brains on this is kinda for Saint Mary's county, Maryland. And I am ten years old. You know, how when you hear yourself in a recording anything found funny. But when someone else, here's your voice recording. If think it sounds perfectly normal, my theory is that when you were talking you hear yourself differently than other people here, you is that true. If not why is it that you found different to your own ears than to other people's years when you hear self a recording. Thanks, molly. Yes. This is a great question. Ridicule. Just want to ask you when you're hearing your voice through your headphones right now. Does it does it sound kind of weird to you? Yeah. It does. How does it sound different? It kind of sounds more high pitched very observant. Well, that's more. What your voice sounds like to the rest of the world and to tell you why I have this coming attraction in a world where you think you sound like this. I'm Bob, but you really sound like this. Hi, I'm Bob come one main journey to accept his own voice. That's me at that me. That's me trade by his own anatomy. It's you'll Joel my jaw N deal skull. Really, why wouldn't you talk? You his voice in two ways at won't in good baffled. By physics one way. Is that the sound from your mouth Beiber ill drum to bones and you'll and since a signal to your brain for decoding. That's how everyone else he'll voice to how they hear my voice. But you'll also picking up brations that come from your voice resonating through your neck, and Joel this makes your voice sound deep base. I that. So a journey that takes him from behind the mic to the front page. Bob learned to love his voice. This is out. I sound and it is great coming due to an imaginary near. Imaginary? We did it not question. Now, some of each want in a pity sentence pickups are caused by quick and take a breath and a sudden closure of your Gladys. We get dizzy because when we start moving the fluid in our inner ears that tells us what we're doing can still be sloshing yawn in states of transition. But aren't sure why it's contagious adrenalin causes tiny muscles in our skin the contract, and makes goosebumps pins and needles happens when our nerves get cut off from the brain then week backup in dramatic fashion. We aren't quite sure why we have fingerprints. But each fingerprint is unique. If you want to avoid brain freeze slowdown when you eat cold things take small bites and avoid the roof of your mouth your teeth chatter because your body is trying to generate heat by contracting and relaxing, face bustles, and your voice sounds funny on a recording. Because you're used to hearing it with added base that comes through vibrations in your skull. That's it for this upset of brains brains on is produced by Mark Sanchez Santon and Molly bloom any thanks. Veronica rodriguez. Margaret mc. Bob, Jill only thera- cozy Krishnamurti Rajin jar Rene Marchiano Alexander place. Matthew Barnard cocoa Sanchez skip. And Jodi Sanchez. Gladys Jim Duke Teagan wall GM Morris. Stephanie Alexander, Amy, Gorell, Christine Hutchins, Eric Raynham, Stuart bloom. Eric Trump said Joe jubilant Marquette, Mike mulkey. Vicky Chrysler Dana rookie Tama Mukarram Ella rose borough. Kyle rose borough Gina Sanchez Nico. Sanchez Jonah Sanchez and Lynn Warfield, and you can keep up with us on the Instagram's and the Twitter's brains underscore, and we're on Facebook too. You can listen to all our past episodes at our website bans on dot org. And now before we go it's time for our moment of. Hi, my name is sky in I'm six in even in Hamilton Ontario in my question is why do we have to love? My name is Christie Luton. I am an assistant professor of anatomy at the university of southern California. And I'm an evolutionary anatomist, which means I study our bodies, and why they are the way they are. And how they've evolved to be the way they are. Why do we have to lung such a good question? So to answer this question, we have to go back in time a little bit about three hundred million years ago when the first lungs evolved in a fish, and we have inherited those lungs from our ancestors, which if you go back far enough and time was a fish. And then the other question that you have to answer when you're thinking about this is why two of them in particular and to answer that we have to go back even further in time. So we have bodies that are symmetrical down the mid minds. If you imagine drawing the line down the middle of your forehead in the middle of your nose down your mouth, all the way down your body. You will be divided into a right side and a left side. So you'll have a right arm and a left arm, and right, leg and left leg and right lung and left lung, and this body plan is called bilateral symmetry with just means we're symmetrical onto sides, and we've inherited this body plan from an ancestor that lived almost six hundred million years ago, which is like three hundred million years before even lungs existed. So the short answer of why do we have to long's because we've been herited this from a really ancient ancestor that lived a really longtime ago and to lungs or working fine for us. I'm going to take a deep breath and speed through this list of names. It's the brains honor roll, the excellent listeners who inspire each and every episode with their ideas questions and mystery sounds Cooper from Australia Maggie from Cincinnati ethnic. Jay Jason Jackson from Kalamazoo. Michigan. Emily from Richmond Virginia. Imaging from Toronto Elliott in Libby from Saint Paul Minnesota Meghan from Greenville, South Carolina trysted in William from Cranston. Rhode Island coal for Vancouver. Rory from Australia lu-lu from Falls Church Virginia Henry from Uruguay Henry from Georgetown, Texas relief from Kentucky jemmy from Charlotte. North carolina. Allie from urban California AJ and Gavin from Soviet ho California Zander from Las Vegas. Brayden from Vancouver. Wesley from Westland. Oregon Preston from Wake Forest Carolina. Cleo from Los Angeles Brechin from Richmond, British Columbia rice from stuck guard. Germany Beatrice from Robbins deal. Minnesota Caleb from Virginia violet from Fitchburg. Wisconsin Adrian from lacrosse, Wisconsin. All Sandra from conifer, Colorado. Eric. Samuel for manning. Iowa alley and Lizzy from different New York. River from grape or Utah Ren and Eric Michael from Baltimore alita from Green Bay, Wisconsin Calvin from Minneapolis, Daniel, Angela and epilogue from Borden town, New Jersey left from Oakland, California, Molina and Paloma from San Francisco Sebastian from Norway, Nathan Vienna. Austria AJ from Austin, Texas, Katy from Houston penny from Monrovia, California. Teddy from Boston in Cooper from Philadelphia. We'll be back soon with more answers to your questions. Thanks for listening.