This episode's questions:
<ol>
<li>What was sold in the first vending machine (and when was it created)?</li>
<li>What is chewing gum made out of?</li>
<li>What should you do if you swallow methanol?</li>
<li>What happens when you send a text message to a land line?</li>
</ol>
This episode's sponsor:
<ul>
<li>Milt's Guide To Life (A Maximum Fun Podcast)</li>
</ul>
Facts provided by !paradigm! (#1), <a href="https://thefpl.us/meet/a-meat">A Meat</a> (#2), Elderduck (#3), and Guts Going Nuts (#4). Send in your own for the next episode.

5: Why Do We Shake Hands?

An informational podcast that begins without information, Adjudicated Guess challenges its participants to come up with the correct answer using only the knowledge they came in with. Can logic, conjecture, and strong declarative statements be enough to discover the truth? Sometimes, probably. Other times, not so much.

This is another production from The F Plus.