430: A Yawn Across Time

Dear Hank & John

Complexly

Vlogbrothers, People, Social Media, Soccer, Humor, Heartfelt, Youtube, Itunes:https://feeds.simplecast.com/9yni3wal, John Green, Comedy, Life, Green Brothers, Self-improvement, Advice, Dear Hank And John, Authors, Hank Green, Brothers, Society & Culture, Education, Relationships, Mars, 770430, Improv, Space, Pop Culture, Philosophy, Conversations

4.9 • 8K Ratings

🗓️ 29 October 2025

⏱️ 50 minutes

🔗️ Recording | iTunes | RSS

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Summary

Would it be harder to swim in lava or water? Why do I have one long white hair that grows from my face cheek? What would the stars look like if I were moving faster than light, like the Enterprise in Star Trek? What role do John and Hank play with Partners In Health? How does gravity impact digestion? What is the longest length of time a yawn has been spread? Why is everything so hard? Can you quell my fears about AI? …Hank and John Green have answers!

If you're in need of dubious advice, email us at [email protected].

Join us for monthly livestreams at patreon.com/dearhankandjohn.

See Privacy Policy at https://art19.com/privacy and California Privacy Notice at https://art19.com/privacy#do-not-sell-my-info.

Transcript

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0:00.0	Coming November 3rd, it's the second annual Complexly Learnathon, a celebration of learning and the free content that we make at SciShow, Crash Course, and all of Complexly.
0:11.9	We believe in making things that are free for everyone forever and that help the world lower barriers to access when it comes to learning.
0:19.5	That's not always the easiest business model,
0:21.8	but we do believe it's the best one.
0:23.9	We're doing activities and videos during the Warnathon
0:26.2	and live streams all month,
0:28.2	and we have many opportunities for you to support our shows,
0:30.6	including some really cool new merch.
0:32.4	So mark your calendars and go to complexlylearnathon.com
0:36.1	to check out the schedule of events.
0:40.0	You're listening to a Complexly podcast.
0:48.1	Hello and welcome to dear Hank and John.
0:51.3	Yours, I prefer to think of it, Dear John and Hank.
0:53.7	It's a podcast where two brothers answer your questions, give you dubious advice, and bring you all the week's news from both Mars and AFC Wimbledon. John, every morning, every morning I'm going out of the house. I'm taking or into school. I get hit by a bike. It's a vicious cycle. You know, I actually did get hit by a bike once. A bike messenger
1:12.4	hit me and I never quite recovered from it. My mouth has never been the same since he
1:18.1	hit me with his shoulder to my face. I broke my nose. I got a concussion and teeth, teeth problems.
1:25.2	And teeth problems that have lasted for the last 20 years. That was 2003, I believe.
1:30.1	Once there's teeth problems, man, it is hard to not have teeth problems. Yeah. Hank, can I tell you what I did this
1:35.9	morning before work that was much better than my usual strategy of scrolling? What'd you do?
1:43.0	I made hot sauce with your mother. Oh. And we just like cut up
1:48.6	the peppers and we chatted and we put the peppers in the blender and we did all the salt and
1:54.0	everything so that they can ferment over the next two weeks and then we put them all in the in the
	...

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