Today's pencils are manufactured very differently than the original versions; but they still use a material called graphite, which isn't lead at all. How does the graphite get in the pencil? Find out in this episode.

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Today's pencils are manufactured very differently than the original versions; but they still use a material called graphite, which isn't lead at all. How does the graphite get in the pencil? Find out in this episode. Learn more about your ad-choices at <a href="https://www.iheartpodcastnetwork.com">https://www.iheartpodcastnetwork.com</a>

Whether the topic is popcorn or particle physics, you can count on BrainStuff to explore -- and explain -- the everyday science in the world around us.

BrainStuff

Today's pencils are manufactured very differently than the original versions; but they still use a material called graphite, which isn't lead at all. How does the graphite get in the pencil? Find out in this episode.

How do they get the lead in a wooden pencil?

https://api.omny.fm/orgs/e73c998e-6e60-432f-8610-ae210140c5b1/clips/d00ddba5-8245-4b7b-b690-ae320075a504/transcript

Some idioms have a fairly clear origin, but others have been lost to time and legend. Learn about the game that inspired calling dibs, the media that created calling shotgun, and why the 'real' McCoy was probably a number of people -- all in today's episode of BrainStuff, based on these articles: https://science.howstuffworks.com/innovation/famous-inventors/why-do-people-call-things-the-real-mccoy.htm; https://people.howstuffworks.com/what-are-dibs-and-why-do-call-them.htm; https://people.howstuffworks.com/riding-shotgun-phrase.htm

Some idioms have a fairly clear origin, but others have been lost to time and legend. Learn about the game that inspired calling dibs, the media that created calling shotgun, and why the 'real' McCoy was probably a number of people -- all in today's episode of BrainStuff, based on these articles: <a href="https://science.howstuffworks.com/innovation/famous-inventors/why-do-people-call-things-the-real-mccoy.htm">https://science.howstuffworks.com/innovation/famous-inventors/why-do-people-call-things-the-real-mccoy.htm</a>; <a href="https://people.howstuffworks.com/what-are-dibs-and-why-do-call-them.htm">https://people.howstuffworks.com/what-are-dibs-and-why-do-call-them.htm</a>; <a href="https://people.howstuffworks.com/riding-shotgun-phrase.htm">https://people.howstuffworks.com/riding-shotgun-phrase.htm</a>

Why Do We Call Dibs and Shotgun, and Who Was the Real McCoy?

https://api.omny.fm/orgs/e73c998e-6e60-432f-8610-ae210140c5b1/clips/c230d16e-e723-436a-9deb-b4b20029305d/transcript

The Batagaika crater (or, technically, megaslump) is a massive pit caused by thawing permafrost -- and it's only getting bigger. Learn what paleontologists have found there (and why geoscientists are worried about it) in today's episode of BrainStuff, based on these articles: https://science.howstuffworks.com/environmental/earth/geology/batagaika-crater.htm; https://science.howstuffworks.com/environmental/earth/geology/permafrost.htm

The Batagaika crater (or, technically, megaslump) is a massive pit caused by thawing permafrost -- and it's only getting bigger. Learn what paleontologists have found there (and why geoscientists are worried about it) in today's episode of BrainStuff, based on these articles: <a href="https://science.howstuffworks.com/environmental/earth/geology/batagaika-crater.htm">https://science.howstuffworks.com/environmental/earth/geology/batagaika-crater.htm</a>; <a href="https://science.howstuffworks.com/environmental/earth/geology/permafrost.htm">https://science.howstuffworks.com/environmental/earth/geology/permafrost.htm</a>

Why Is Siberia's Batagaika Crater Known as the Doorway to Hell?

https://api.omny.fm/orgs/e73c998e-6e60-432f-8610-ae210140c5b1/clips/4849221a-2c25-4dbf-be5a-b4ad0145651e/transcript

Investigating murders right here on planet Earth can be tricky -- how would it be handled in space? Who would even be in charge? Learn what current and future laws may apply in this classic episode of BrainStuff, based on this article: https://people.howstuffworks.com/murdered-in-space.htm

Investigating murders right here on planet Earth can be tricky -- how would it be handled in space? Who would even be in charge? Learn what current and future laws may apply in this classic episode of BrainStuff, based on this article: https://people.howstuffworks.com/murdered-in-space.htm

BrainStuff Classics: How Would Authorities Handle a Murder in Space?

https://api.omny.fm/orgs/e73c998e-6e60-432f-8610-ae210140c5b1/clips/ff722194-2285-4fd4-9b5a-b4ad01456537/transcript

How do they get the lead in a wooden pencil?

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