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

Measles have reappeared in the US because of anti-vaccination movements. Why should I care if I'm vaccinated, aren't I already protected from it?

.. 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: delixd, antechronos, shifty_coder, okverymuch, silver_agocchie, robbak & quicksilver-rain

To the ELI5 community that has supported us so far, thanks for all your feedback and comments. Join us on Facebook:

https://www.facebook.com/eli5ThePodcast/ 

or send us an e-mail:

ELI5ThePodcast@gmail.com

... we love hearing from you!

Did you know that the smell of freshly mowed grass is chemically warning other grass of oncoming danger? Why is this the case? Especially since there is nothing grass can do in response?

... 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: fantheories101, cardboard-cutout, rawseeds, coconut-telegraph, concise_pirate, epistatic & foxmetropolis

To the ELI5 community that has supported us so far, thanks for all your feedback and comments. Join us on Facebook:

https://www.facebook.com/eli5ThePodcast/ 

or send us an e-mail:

ELI5ThePodcast@gmail.com

... we love hearing from you!

Why do some letters have a completely different character when written in uppercase vs lowercase (e.g. A/a, R/r, E/e), whereas others simply have a larger version of themselves (e.g. S/s, P/p, W/w)?

... 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: thegrog1603, r3dd170rx, shmiggles, thehooligan95, whistleridge & varron

To the ELI5 community that has supported us so far, thanks for all your feedback and comments. Join us on Facebook:

https://www.facebook.com/eli5ThePodcast/ 

or send us an e-mail:

ELI5ThePodcast@gmail.com

... we love hearing from you!

Why does screaming relieve physical pain? What is going on in the brain when we scream? Plus a bonus question: why do some tennis players grunt when they hit the ball?

... 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: needsugar_daddy, tacodelmorte, shamanicrabbit, 2as_ron87, alphawhiskeytangofu, jazzman23uk & madjohnfinn

To the ELI5 community that has supported us so far, thanks for all your feedback and comments. Join us on Facebook:

https://www.facebook.com/eli5ThePodcast/ 

or send us an e-mail:

ELI5ThePodcast@gmail.com

... we love hearing from you!

Since space has no air in it how can astronauts breathe fresh air inside the International Space Station (ISS)? Do we ship oxygen up to the ISS in tanks? Do we presently have the technology to make a self-sustaining biosphere in space?

... 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: twentythousandleague, happythoughts413, masu12, santi871, mvilla & tico_de_corazon

If you have suggestions, comments, or would like to be a guest on an upcoming episode of this podcast, please reach out to us at ELI5ThePodcast@gmail.com.

Why do people have allergies? Why does an allergic reaction cause our bodies to block up our main means of breathing? Why does it seem like so many more children today have severe food allergies than there were 20 years ago?

... 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: fsjd150, wantagh, goldilungs, thatniceguynoah, tinglesonmahdingus & n8thegr8

If you have suggestions, comments, or would like to be a guest on an upcoming episode of this podcast, please reach out to us at ELI5ThePodcast@gmail.com.

How do medical professionals determine whether cancer is terminal or not? How are the stages broken down? How does “normal” cancer differ from terminal cancer?

... 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: leapoz, reefshadow, macluawn, kterps220, med_throw_away_, idahurr, drdiesalot & bkwrmi

If you have suggestions, comments, or would like to be a guest on an upcoming episode of this podcast, please reach out to us at ELI5ThePodcast@gmail.com.

How does alcohol make you drunk? What is happening in your brain and body when you are intoxicated? What is it about alcohol that actually harms your body?

... 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: bockscarRasor, greenwizard88, bockscarrasor, heathenyak, benmichaels01, floatingsaltmine & isimplycantdothis

If you have suggestions, comments, or would like to be a guest on an upcoming episode of this podcast, please reach out to us at ELI5ThePodcast@gmail.com.

A reCAPTCHA is a CAPTCHA-like system designed to establish that a computer user is human. So how does the reCAPTCHA checkbox i.e. the "I'm not a robot" checkbox actually work? Why can't bots just check 'I am not a robot' and fool the system?

... 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: edshnee, anthonyridad, ekto_, reifenstag, solepsis, nukerx & adipisicing

If you have suggestions, comments, or would like to be a guest on an upcoming episode of this podcast, please reach out to us at ELI5ThePodcast@gmail.com.

What causes my body to react when I eat spicy food? Why does my nose run, why do I sweat, what’s going on in my body?

... 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: gametes, 818, rommeltj, magiccorbin, tyler1128, followups, stuthulhu, hothmonster & landowillo95

If you have suggestions, comments, or would like to be a guest on an upcoming episode of this podcast, please reach out to us at ELI5ThePodcast@gmail.com.

How does super glue work and how is it different from a regular glue stick?

... 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: nuftimcduffin, ryan30z, inigo_151, punchybunchy, oolasbf, joetato, seniabledumo, aiydee, peyronet

If you are a contributor and would like to be a guest on an upcoming episode of this podcast, please reach out to us at ELI5ThePodcast@gmail.com.

If there is no cellphone signal, how does the "emergency calls only" mode works? How does the cell tower system coordinate to make this possible?

... 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: dcardeno, not_anonymouse, Pogoyoyo1 and billythewolfde.

If you are a contributor and would like to be a guest on an upcoming episode of this podcast, please reach out to us at ELI5ThePodcast@gmail.com.

Caffeine has almost no calories, but seems to give us a burst of energy on its own. Where does the body get this energy from?

... We explain like i'm five!

Thank you to the following reddit users whose questions and responses formed the basis of this mini-podcast: hellblazer153, seattlebattles, zombiealpacalips, jinreeko, badresults, heman8400

If you are a r/explainlikeimfive contributor and would like to appear as a guest on future episodes of the podcast, please e-mail us at ELI5ThePodcast@gmail.com

A mini podcast where Tim & Kevin answer questions like: why it's so hard to run in your dreams, why no metal in microwaves, who do countries owe when they're in debt or who invented French fries if it wasn't the French!

Episodes are short and sweet (typically less than 8 minutes). Thank you for listening and hope you enjoy the show!