
Making rational optimism cool
| Platform | Pricing | Only free issues | Publishes | Twice weekly | |
|---|---|---|---|---|---|
| Issues | 233 | Founded | a year ago | Last Issue | 4 days ago |
| Active | |||||

If I give you a series of numbers “2, 4, 6” and ask what number comes next you will probably reply “8”. I say yup—and so what is the rule I am following? You will probably reply “add 2” or “ascending even numbers”. Nope, I say, wrong. My ru...
Dear Rational Optimist,
Is selecting embryos to avoid devastating diseases the same thing as eugenics?
Jonathan Anomaly of Herasight says no—and the data behind his argument might change your mind.
In this episode of Optimists Make Money...
We’re only 100 rational optimists away from being 30K strong.
Help us get there by sharing this Diary with your friends and family!
In today’s Diary:
America’s builder revival starts in… China?
Buffett’s $37 billion bet
A...
Bordeaux and Madrid are threatened by flames. In Sicily, arsonists tied burning rags to the tails of cats to spread fires. Here in Britain the Cairngorms and Peak District national parks are ablaze. It’s the climate Armageddon, say the gree...
Dear Rational Optimist,
We’ve had clean energy sources for decades. But how do you get people to actually use the stuff without incentives or a government mandate?
Dan Sutton’s answer: make clean energy cheaper than every other option.
H...
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The writers behind this newsletter.
Rational Optimist Society - Founder
Founder Rational Optimist Society and RiskHedge Research. Reformed cynic.
Welcome to the Rational Optimist. I’m Matt Ridley and I have spent the past 40 years writing on topics of import and intrigue, which for me include genetics, evolution, technology and innovation. https://rationaloptimistsociety.substack.com/
Rational Optimist Society - Founder
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