I just posted a new video:
https://youtu.be/KHY5XfMfdig

This post is the text version of that video. I didn’t send my last blog by email (I want to limit emails to one per month). In that last blog post, I linked to 3 videos. In case you missed them, I worked on two vlogs about burning Iron:

Attempt 1: Classic demo and solid oxidizer failure to ignite:
https://youtu.be/46YlW8qjp_c

Attempt 2: Steel wool burning in pure(ish) oxygen:
https://youtu.be/SURy8xRsRp4

And a video essay about robotics and automation:
https://youtu.be/TisXw8zS5r0

This latest work is a bit of a rant about a research rabbit hole. I was trying to ask what seemed like a simple question. Which is more important to longevity: diet or exercise? That seems pretty straightforward. I was surprised to find that it was almost impossible to get a clear comparison between two effects.

And then I found this study by Atefatfar et al. (2023). This study examined all four possible cases of the good/bad diet versus exercise/no exercise. I expected them to have similar, additive effects. But that’s not what they found.

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