Mark McDonald
Thoughts on ethics, self-improvement, and whatever else I'm interested in this week.
| Platform |  | Pricing | Only free issues | Publishes | Weekly |
|---|---|---|---|---|---|
| Issues | 68 | Founded | 2 years ago | Last Issue | 12 days ago |
| Active | |||||
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markmcdonaldthoughts.substack.comLatest Issues
Bayesian reasoning using a vampire Elvis detector
Say you have an Elvis detector that is 99.9% accurate: It beeps for Elvis 99.9% of the time and only beeps for someone who is not Elvis Presley 0.1% of the time. If you point it at a random person and it beeps, what is the chance that perso...
Aliens are real, but UFOs are not
Earlier this year, Obama got media attention when, after being asked about aliens during a podcast interview, he joked that “they’re real but I haven’t seen them”. He later clarified that he saw no evidence of extraterrestrial life while pr...
Correlation has five suspects, and causation is only one
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“I’m just saying, everyone who confuses correlation with causation eventually ends up dead.”
-Probably not a statistician
When I was in third grade,...
How to be an effective germophobe
Germophobia is an intense fear of germs and contamination, and it can lead people to take precautions far beyond what’s actually necessary to stay healthy. That’s a real struggle, and it’s not what this post is about. There are plenty of pe...
You might already be a longtermist
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“In every deliberation, we must consider the impact on the seventh generation.”
-Haudenosaunee (Iroquois) tradition
The idea of seven generation sus...
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Thoughts on ethics, self-improvement, and whatever else I'm interested in this week.
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