Why Michael Abandoned Ink

The Rest Is Science

Goalhanger

Science, Physics, Mathematics

4.5 • 1K Ratings

🗓️ 27 May 2026

⏱️ 48 minutes

🔗️ Recording | iTunes | RSS

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Summary

What can be revealed about a person by their choice of…lead? In this gloriously nerdy episode of Field Notes, Michael Stevens arrives armed with an entire collection of mechanical pencils, sparking a series of passionate debates about graphite, the merits of ink, and whether the perfect pencil will ever really exist. Plus: what happens to fizzy drink bubbles in zero gravity? Why did early scientists believe sperm contained tiny pre-formed humans? Are gravitational waves the most beautiful thing in the cosmos? And are modern scientific discoveries becoming too complicated for any one person to fully understand? ------------------- For more information about Cancer Research UK, their research, breakthroughs and how you can support them, visit https://www.cancerresearchuk.org/our-research/rest-is-science Cancer Research UK is a registered charity in England and Wales (1089464), Scotland (SC041666), the Isle of Man (1103) and Jersey (247). A company limited by guarantee. Registered company in England and Wales (4325234) and the Isle of Man (5713F). Registered address: 2 Redman Place, London, E20 1JQ. ------------------- Find The Rest Is Science all over the internet by ⁠⁠clicking here.⁠⁠ ------------------- Video Producer: Adam Thornton + Oli Oakley + Jack Meek Animator: Sam Benson Video & Social: Bex Tyrrell Assistant Producer: Lucy Lipscombe Producer: Simona Rata Senior Producer: Lauren Armstrong-Carter Head Of Digital: Samuel Oakley Exec Producer: Neil Fearn ------------------- Advertise with us: ⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠⁠partnerships@goalhanger.com⁠ Learn more about your ad choices. Visit podcastchoices.com/adchoices

Transcript

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0:00.0	Welcome to The Rest of Science. I'm Hannah Frye.
0:03.0	And I'm Michael Stevens. Today on this episode of Field Notes, I've brought some very cool things that are important to me, and I'm going to just ask that you indulge me as I nerd out about mechanical pencils.
0:16.0	Oh, this is a kind of nerding out I can get behind Michael Stevens.
0:20.0	I try to nerd out to everyone I meet about this. And by everyone I meet, I mean my wife and daughter. My daughter's into it. My wife is just done with all the little things that I need to say about mechanical pencils. But today, I'm going to get it out of my system. Okay. Do we need to make this into a two-parter, three-parter, seven-parter? I think it's going to be a new podcast. Yeah. Or we just have a third episode every week, you know, for the rest of time. Hopefully not. My goal is to get to a point where I'm exactly happy with all the features. It's exactly what I want. And I think
0:56.2	I'm going to have to make it myself. Okay. All right. Well, this is, this is something for us to look forward to.
1:01.0	Yeah. Let's get on with it.
1:06.2	This episode is brought to you by Cancer Research UK.
1:11.5	Here's something strange.
1:13.2	Your DNA contains more ancient viral fragments than genes.
1:20.1	The genes that build our cells make up only 2% of our DNA.
1:25.5	And for years, that is what scientists focused on. They treated the rest,
1:29.4	the ancient viruses and stuff, as junk. But now we know that that hidden majority, sometimes
1:35.2	called the dark genome, influences how our biology works and how disease like cancer behave.
1:42.4	It's a reminder that progress rarely comes as a single breakthrough.
1:47.1	It builds gradually. Cancer Research UK plays a central role in that progress, supporting decades
1:53.5	of research into over 200 types of cancer, work that's helped double survival in the UK over the past 50 years.
2:01.6	For more information about Cancer Research UK, their research breakthroughs and how you can support them, visit cancer researchukukuk.org forward slash the rest is science.
2:13.9	Right, home from work, walk the dog, kids are back,
2:18.0	Mom, up the stairs for something, ugh, back down, no idea what I went up for.
2:25.8	Mom, what's for dinner? Chop, sizzle, done.
2:30.9	Hello, Fresh can't slow life down, but it makes bringing everyone together around the table a whole lot easier.
2:37.2	So its phones down, forks up.
	...

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