Explain Like I'm Five - Eli5 Mini Podcast

What is zero's connection to algebra, Fibonacci and modern mathematics? What is the significance of it being both number and digit? Why was it so ground breaking when ancient civilizations discovered and started using the number 0? Finally... is infinity a number?   ... We explain like i'm five!   Help more people fund us by leaving a rating on iTunes.   Thank you to the r/explainlikeimfive community, and specifically the following reddit users whose questions and responses formed the basis of this conversation: legalbarbecue19, habseligkeitderliebe, dennis_enzo, flobbley, e3rie_, nooneseemstomind & miguelmealie To the ELI5 community that has supported us so far, thanks for all your feedback and comments. Join us on Twitter: https://www.twitter.com/eli5ThePodcast/ or send us an e-mail: ELI5ThePodcast@gmail.com

Can we just manufacture a pill for it? Why does it have feel good properties? What’s the difference between Dopamine and Serotonin? What happens when you don't have enough of it?   ... We explain like i'm five!   Help more people fund us by leaving a rating on iTunes.   Thank you to the r/explainlikeimfive community, and specifically the following reddit users whose questions and responses formed the basis of this conversation: didudes, optrode, ferfymoe, klarok, petiteplethora, ladybirdthecat, 0thegingersoul0, daniel-tigers-dad, psnivy1, pythonpoole To the ELI5 community that has supported us so far, thanks for all your feedback and comments. Join us on Twitter: https://www.twitter.com/eli5ThePodcast/ or send us an e-mail: ELI5ThePodcast@gmail.com

What is the difference between noise canceling and noise isolating headphones? Why aren't noise cancelling headphones as effective in cancelling high pitch sounds as they are in cancelling low pitch sounds? Can noise canceling headphones be harmful to your hearing?   ... We explain like i'm five!   Help more people fund us by leaving a rating on iTunes.   Thank you to the r/explainlikeimfive community, and specifically the following reddit users whose questions and responses formed the basis of this conversation: skippy7890, bluefire009, viskerratio, van-nostrand-md, MG2R, umaijcp, jazztaprazzta, montebious, afcagroo, garyfirestorm   To the ELI5 community that has supported us so far, thanks for all your feedback and comments. Join us on Twitter: https://www.twitter.com/eli5ThePodcast/ or send us an e-mail: ELI5ThePodcast@gmail.com

Is it true that Coca-Cola popularized the modern look of Santa Claus? Why do most of our "traditional" Christmas songs, images and TV/movies come from the 1940s to the 1960s? Why are red and green commonly associated with Christmas? Brian Earl from the Christmas Past podcast joins us for a range of Xmas questions.   ... and we explain like i'm five!   Help more people fund us by leaving a rating on iTunes.   Thank you to Brian Earl from the Christmas Past podcast. If you'd like to hear more excellent xmas episodes, check out Brian's podcast here: https://christmaspast.media/   To the ELI5 community that has supported us so far, thanks for all your feedback and comments. Join us on Twitter: https://www.twitter.com/eli5ThePodcast/ or send us an e-mail: ELI5ThePodcast@gmail.com

Why don't some museums or fancy churches allow flash photography? Plus all the photography terms like ISO, shutter speed, aperture explained like I'm five. Why does it feels like people never smiled in old photos? How did they invent color photography?   ... We explain like i'm five!   Help more people fund us by leaving a rating on iTunes.   Thank you to the r/explainlikeimfive community, and specifically the following reddit users whose questions and responses formed the basis of this conversation: skimixs, petwins, vanniv_iv, sewcranky, happydenial, coldnoodlesoup, parkinglotranger, chancho600, bulkleather & artgirl6   To the ELI5 community that has supported us so far, thanks for all your feedback and comments. Join us on Twitter: https://www.twitter.com/eli5ThePodcast/ or send us an e-mail: ELI5ThePodcast@gmail.com

Why is the world record for time walking longer than time standing? People can walk many miles without discomfort, but when we stand for more than a few minutes or so, we get uncomfortable? What is Postural orthostatic tachycardia syndrome or POTS?   ... We explain like i'm five!   Help more people fund us by leaving a rating on iTunes.   Thank you to the r/explainlikeimfive community, and specifically the following reddit users whose questions and responses formed the basis of this conversation: mynameispineapplejoe, faykin,ieatfrosties, freshcoconutty, neubourn & syymo   To the ELI5 community that has supported us so far, thanks for all your feedback and comments. Join us on Twitter: https://www.twitter.com/eli5ThePodcast/ or send us an e-mail: ELI5ThePodcast@gmail.com

Why aren't 50% of people lefties? Why are right handed scissors not usable by left handed folks? Why isn't everybody ambidextrous? Why are a disproportionate number of US presidents left handed?   ... We explain like i'm five!   Help more people fund us by leaving a rating on iTunes.   Thank you to the r/explainlikeimfive community, and specifically the following reddit users whose questions and responses formed the basis of this conversation: happyweeze, zodde, schorhr, deviousterran, llittle_llama, fox-mcleod, samzeman, mathem_ & howmanydads   To the ELI5 community that has supported us so far, thanks for all your feedback and comments. Join us on Twitter: https://www.twitter.com/eli5ThePodcast/ or send us an e-mail: ELI5ThePodcast@gmail.com

What happens when you put the wrong thing in the recycle bin? Why are some plastics recyclable and others not? How does aluminum get separated using magnets if it's not a ferrous metal?   ... We explain like i'm five!   Help more people fund us by leaving a rating on iTunes.   Thank you to the r/explainlikeimfive community, and specifically the following reddit users whose questions and responses formed the basis of this conversation: happyweeze, zodde, schorhr, deviousterran, llittle_llama, fox-mcleod, samzeman, mathem_ & howmanydads   To the ELI5 community that has supported us so far, thanks for all your feedback and comments. Join us on Twitter: https://www.twitter.com/eli5ThePodcast/ or send us an e-mail: ELI5ThePodcast@gmail.com

Why are truffles such a big deal? If truffles are so rare why don't we just farm them? Did you know that truffles used to be common and much less expensive in the early 1900s?   ... We explain like i'm five!   Help more people fund us by leaving a rating on iTunes.   Thank you to the r/explainlikeimfive community, and specifically the following reddit users whose questions and responses formed the basis of this conversation: harrybro, concise_pirate, irmas, giralnias, letstrythisagain, salt-the-skies, esrgdsger, najjex, thesmitestuff, frankiebignut & peacheserratica   To the ELI5 community that has supported us so far, thanks for all your feedback and comments. Join us on Twitter: https://www.twitter.com/eli5ThePodcast/ or send us an e-mail: ELI5ThePodcast@gmail.com

Does a marathoner really get an inch shorter during the course of a marathon race? What else happens to the body when you run 26.2 miles? Why is the marathon distance even 26.2 miles in the first place?   ... We explain like i'm five!   Help more people fund us by leaving a rating on iTunes.   Thank you to the r/explainlikeimfive community, and specifically the following reddit users whose questions and responses formed the basis of this conversation: oakteach, medstudent0302, janguskhan, dyslexiaisagfit & tarpit_carnivore   BBC News articles referenced: What happens to a runner's body? http://news.bbc.co.uk/2/hi/uk_news/magazine/4259766.stm The body's marathon effort http://news.bbc.co.uk/sport2/hi/athletics/4326947.stm   To the ELI5 community that has supported us so far, thanks for all your feedback and comments. Join us on Twitter: https://www.twitter.com/eli5ThePodcast/ or send us an e-mail: ELI5ThePodcast@gmail.com

What is the difference between western and asian tea etiquette? Why do the Chinese and Japanese not put sugar and milk in their tea? What are the health benefits of tea?... and why you should never put a tea bag in the microwave!    ... We explain like i'm five!   Help more people fund us by leaving a rating on iTunes.   Thank you to the r/explainlikeimfive community, and specifically the following reddit users whose questions and responses formed the basis of this conversation: queenfiasco, kouhoutek, fuzzycheddar, licencetobill & anschauung   Wikipedia Health Effects of Tea: https://en.wikipedia.org/wiki/Health_effects_of_tea   To the ELI5 community that has supported us so far, thanks for all your feedback and comments. Join us on Facebook: https://www.twitter.com/eli5ThePodcast/ or send us an e-mail: ELI5ThePodcast@gmail.com

How does the body repair a wound? Do scars always grow back the same as they were before? Do fingerprints grow back exactly as the original? Why do scars not tan the same as normal skin?   ... We explain like i'm five!   Help more people fund us by leaving a rating on iTunes.   Thank you to the r/explainlikeimfive community, and specifically the following reddit users whose questions and responses formed the basis of this conversation: sulfurexplosion, _baddwolf, mostlygray, fatboystew, excheesecake, insult_king, themarkhasbeenmade & jcmcfancypants   To the ELI5 community that has supported us so far, thanks for all your feedback and comments. Join us on Facebook: https://www.twitter.com/eli5ThePodcast/ or send us an e-mail: ELI5ThePodcast@gmail.com

Why do typical female bike frames have a dip in the frame, while men's have a horizontal beam? Why is the geometry of a racing bike slightly different from that of a typical bike? How about mountain bikes vs road bikes? What is gravel biking?   ... We explain like i'm five!   Thank you to the r/explainlikeimfive community, and specifically the following reddit users whose questions and responses formed the basis of this conversation: wharrgarblll, robobenjie, iwasnotarobot, decade240 & brainflakes   To the ELI5 community that has supported us so far, thanks for all your feedback and comments. Join us on Facebook: https://www.twitter.com/eli5ThePodcast/ or send us an e-mail: ELI5ThePodcast@gmail.com

How does AC and refrigeration in general work? Why is Freon gas used? Why do some people say that air conditioning is a cause of Legionnaires' disease?   ... We explain like i'm five!   Thank you to the r/explainlikeimfive community, and specifically the following reddit users whose questions and responses formed the basis of this conversation: theod4re, burried_treasure, off2seethewiz, jbota, futurol & super_ag   To the ELI5 community that has supported us so far, thanks for all your feedback and comments. Join us on Facebook: https://www.twitter.com/eli5ThePodcast/ or send us an e-mail: ELI5ThePodcast@gmail.com

Why is there the tradition of not seeing the bride in the wedding dress beforehand? Where did something old, something new, something borrowed and something blue come from? Why is there a tradition of smashing a glass at the end of Jewish weddings? What happens if someone 'objects' during the ceremony?   ... We explain like i'm five!   Thank you to the r/explainlikeimfive community, and specifically the following reddit users whose questions and responses formed the basis of this conversation: londonpilot, ayrilios, drocd, redditedself, me_suds, memehehe & yorkshire45   To the ELI5 community that has supported us so far, thanks for all your feedback and comments. Join us on Facebook: https://www.twitter.com/eli5ThePodcast/ or send us an e-mail: ELI5ThePodcast@gmail.com

What makes someone a morning person? How do you explain the Circadian clock? If I'm not one, is it possible to become a morning person?   ... We explain like i'm five!   Thank you to the r/explainlikeimfive community, and specifically the following reddit users whose questions and responses formed the basis of this conversation: brylow, slingbladerunner, cjc09, auroun2013 & hansfredderik   To the ELI5 community that has supported us so far, thanks for all your feedback and comments. Join us on Facebook: https://www.twitter.com/eli5ThePodcast/ or send us an e-mail: ELI5ThePodcast@gmail.com

Why does it take 24 hours for muscles to start hurting after a workout? Why not straight away? We explain delayed onset muscle soreness (DOMS) like I'm 5. And while we're at it, what are muscle knots? How do I get them and get rid of them?   ... We explain like i'm five!   Thank you to the r/explainlikeimfive community, and specifically the following reddit users whose questions and responses formed the basis of this conversation: 400stars, peaceoutscout, crispturtle & chaveza94   To the ELI5 community that has supported us so far, thanks for all your feedback and comments. Join us on Facebook: https://www.twitter.com/eli5ThePodcast/ or send us an e-mail: ELI5ThePodcast@gmail.com

When flights get cancelled because of heavy winds, why is it only a proportion of flights and not 100% that stop? Isn’t it a binary decision of: 'safe' or 'too dangerous'? After weather cancels thousands of flights and lots of people are displaced, how to they all get back on schedule when presumably flights for the next few days are already booked up?   ... We explain like i'm five!   Thank you to the r/explainlikeimfive community, and specifically the following reddit users whose questions and responses formed the basis of this conversation: skmotay, mr_gimenez, nil_defect_found & unpopularcrayon   To the ELI5 community that has supported us so far, thanks for all your feedback and comments. Join us on Facebook: https://www.twitter.com/eli5ThePodcast/ or send us an e-mail: ELI5ThePodcast@gmail.com  

Did you know that the word Jeans comes from Genoa Italy? Where does the word Denim come from? Is true what that you don't have to wash jeans, just put them in the freezer? Did the CEO of Levi's really say that?   ... We explain like i'm five!    Thank you to the r/explainlikeimfive community, and specifically the following reddit users whose questions and responses formed the basis of this conversation: warpvsweft, b0nesawisready & tchoob   To the ELI5 community that has supported us so far, thanks for all your feedback and comments. Join us on Facebook: https://www.twitter.com/eli5ThePodcast/ or send us an e-mail: ELI5ThePodcast@gmail.com

What is white noise? What about the other colored noises? What do these noises do the brain? Why do some people use brown noise as a way to focus?   ... We explain like i'm five!    Thank you to the r/explainlikeimfive community, and specifically the following reddit users whose questions and responses formed the basis of this conversation: takedown1001, acheron_apostolos, insecuredud99, wattwattwatt & smithgentleman   To the ELI5 community that has supported us so far, thanks for all your feedback and comments. Join us on Facebook: https://www.twitter.com/eli5ThePodcast/ or send us an e-mail: ELI5ThePodcast@gmail.com