ELI5 Explain Like I'm 5: Bite sized answers to stuff you should know about - in a mini podcast

Why do some vaccines last longer than others i.e. some last for 10 years others only 1 year? What is the difference between an RNA vaccine and a conventional vaccine? Why does the process for making a vaccine take so long?   ... We explain like i'm five!   Thank you to the r/explainlikeimfive community as always and in particular the following users whose questions and comments formed the basis of...

Why do Oreos get soggy in regular milk but not in chocolate milk? What is the difference between dark chocolate, milk chocolate and white chocolate? What is the % number I see on chocolate packaging and labels?   ... We explain like i'm five!   Thank you to the r/explainlikeimfive community as always and in particular the following users whose questions and comments formed the basis of this discus...

It's a myth that we yawn to intake more oxygen - so why do we yawn? Why is hearing reduced when you yawn? Why does yawning pop your ears on a plane? Why are yawns contagious?   ... We explain like i'm five!   Thank you to the r/explainlikeimfive community as always and in particular the following users whose questions and comments formed the basis of this discussion: provin1327, torsionfree, rob31...

How do pulse oximeters work? Why have they become popular recently? Can they be used to detect Covid-19?   ... We explain like i'm five!   Thank you to the r/explainlikeimfive community as always and in particular the following users whose questions and comments formed the basis of this discussion: cutelyn22, internetboyfriend666, scubasteave2001, scarynut, bravo_bravos & rauillindion To the ELI5...

Why do we get birthmarks? How about Moles? What type of birthmark did Mikhail Gorbachev have? What were some superstitions around birthmarks from the past?   ... We explain like i'm five!   Thank you to the r/explainlikeimfive community as always and in particular the following users whose questions and comments formed the basis of this discussion: chabafred, bradjudy, reesuh, platinumgamer55 & be...

Why do we call it Left and Right in politics? Where did the Left and Right wings originate from? Is it true that young people are generally more Left leaning? Where did the mascots of the Republican Elephant and Democratic Donkey come from? ... We explain like i'm five!   Thank you to the r/explainlikeimfive community as always and in particular the following users whose questions and comments for...

How are rainbows formed? How about double rainbows? Are rainbows really circles? Why isn't brown on the rainbow?   ... We explain like i'm five!   Thank you to the r/explainlikeimfive community as always and in particular the following users whose questions and comments formed the basis of this discussion: intangible-tangerine, lastsasquatch, zanelightning, sirherald, dammitcaesar, larae_is_bored...

What’s the difference between getting sick from a bacteria vs a virus? What are RNA viruses, and why are they different from DNA viruses? Why do RNA based viruses mutate faster than DNA based virus? ... We explain like i'm five! Thank you to the r/explainlikeimfive community as always and in particular the following users whose questions and comments formed the basis of this discussion: pantieslat...

Wifi explained. How does wifi hacking actually work? Can a hacker reconstruct one's screen? When the Wifi is sluggish, why does restarting router magically fix it? ... We explain like i'm five! Thank you to the r/explainlikeimfive community as always and in particular the following users whose questions and comments formed the basis of this discussion: mustbefate, splad, mantice, kocholuna, Aurora...

Why was the Spanish Flu of 1918 called the Spanish Flu when it was a global pandemic? Why was the 2nd wave more deadly than the first? How many people were affected? Where did it originate? ... We explain like i'm five! Thank you to the r/explainlikeimfive community as always and in particular the following users whose questions and comments formed the basis of this discussion: whosafossa, scripti...

How did people measure the height of mountains in the past? Why are K2 and Annapurna considered more difficult to climb than Everest? Why is there debate about who was the first person to summit it? Who was the first woman to climb Everest? ... We explain like i'm five! Thanks to our sponsor Goodnight Stories for Rebel Girls - a fairytale podcast for kids about extraordinary women from all over th...

Why do people talk about graying hair as Marie Antoinette syndrome? Researchers finally think they know why stress turns your hair gray - we attempt to explain like I'm five.   ... We explain like i'm five!   Help more people fund us by leaving a rating on iTunes.   Thank you to the r/explainlikeimfive community as always and in particular the following users whose questions and comments formed th...

Whats happening when a sneeze ‘gets stuck’? And then just burns your nose and makes your eyes water. Why do we get this odd "spacey" feeling just before we are about to sneeze?    ... We explain like i'm five!   Help more people fund us by leaving a rating on iTunes.   Thank you to the r/explainlikeimfive community as always and in particular the following users whose questions and comments formed...

What makes 70% alcohol a better disinfectant than 90% alcohol? What is the pancake alcohol analogy? What is Isopropyl alcohol?   ... We explain like i'm five!   Help more people fund us by leaving a rating on iTunes.   Thank you to the r/explainlikeimfive community as always and in particular the following users whose questions and comments formed the basis of this discussion: pixie_laluna, studen...

Why are the new chip and pin credit cards safer than the magnetic stripe, especially when most cards still have both? How is the 3 digit security code useful? What is credit card skimming and how does it work? Why does American Express have a different security code format to Visa and MasterCard?   ... We explain like i'm five!   Thank you to Empower, the sponsor of today's episode. For more info...

What was the recent algorithm change that is affecting everyone's credit scores? Why do FICO scores start at 300 and end at 850? What factors affect my credit score?   ... We explain like i'm five!   Thank you to Empower, the sponsor of today's episode. For more info about Empower, visit: empower.me/ELI5   Help more people fund us by leaving a rating on iTunes.   Thank you to the r/explainlikeimfi...

What are the different types of mask folks are buying to help prevent respiratory illnesses like the corona virus? What is NIOSH?   ... We explain like i'm five!   Thank you to Empower, the sponsor of today's episode. For more info about Empower, visit: empower.me/ELI5   Help more people fund us by leaving a rating on iTunes.   Thank you to the r/explainlikeimfive community as always and in partic...

Why do we have pensions schemes? How did first pension fund come into existence in the 1700s? What did Bernoulli and Scottish Presbyterian priests have to do with it? How can I save $1500 this year with Empower?   ... We explain like i'm five!   Thank you to Empower, the sponsor of today's episode. For more info about Empower, visit: empower.me/ELI5   Help more people fund us by leaving a rating o...

Humanity has lived off bread for thousands of years, so why has the past decade seen such a rise in people 'allergic' to gluten? What is gluten intolerance? What is Celiac’s disease? Why did doctors once think that a banana diet was its cure? Finally, are there any negative effects from a gluten-free diet?   ... We explain like i'm five!   Help more people fund us by leaving a rating on iTunes.  ...

How do password managers work? Should we all be using one? Our cohost Kevin got hacked recently, so this episode is a personal one! Find out what happened.   ... 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 conve...

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 commun...

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...

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 commu...

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 o...

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 spe...