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P.S. You Should Know... | Issue #223

July 4 · Issue #223 · View online
P.S. You Should Know...
👋 Welcome back to P.S. You Should Know… probably the best newsletter published on Sundays between 6-7am CST, and definitely the best one published by me. Now in its fifth year!

my story 🚀
🎆 Happy 4th of July! On America’s birthday I’m reminded of just how lucky I am to have grown up in this country. I am grateful for everything this country has done for my family and me.
fun facts 🙌
The rise of the $10 million disc golf celebrity. “How much can athletes really make in niche sports? A whole lot more than you might think. Disc golfer Paul McBeth set a new standard by signing an eight-figure endorsement contract—and his deal might only be the beginning.” | learn more
Do parachutes prevent death? Hah! “As with many interventions intended to prevent ill health, the effectiveness of parachutes has not been subjected to rigorous evaluation by using randomised controlled trials.” | learn more
Ultra high-net-worth individual. “At last count, there were 211,275 UHNW individuals in the world.” | learn more
tech, startups, internet ⚡
AI scans Legos and recommends combinations.
Meet PechaKucha. The latest Nameless Ventures investment! “The live event tool spread like wildfire in Japan, eventually growing to more than 1,250 cities in 140 countries. More than 150,000 presenters have used PechaKucha in front of three million event attendees. Visit PechaKucha. | learn more
better doing 🎯
Better thinking & incentives. “The good news is, doing and thinking reinforce and augment each other. It’s a subtle but powerful feedback loop. You learn something. Armed with that new information, you do something. Informed by the results of your doing, you learn something new.” | learn more
to your health ⚕
David Sinclair interviewed by Lex Fridman. “Extending the human lifespan beyond 100 years.” Sinclair is a geneticist and world-leading expert on longevity. | learn more
retail therapy 💸
FedEx Freight prunes 1,400 customers to protect service levels. With essentially no notice, FedEx fired 1,400 customers and stopped picking up their freight. They were too busy. “There hasn’t been a new asset-based LTL carrier since 1984 because the large amount of infrastructure needed is a barrier to entry. With little new capacity in the market, LTL carriers are experiencing their best pricing environment in more than 20 years.” | learn more
under the microscope 🔬
Dietary score relates to decelerated epigenetic aging. “Cross-sectional associations between the Dietary Approaches to Stop Hypertension (DASH) score and 3 epigenetic … measures.” | learn more
Trials begin on lozenge that rebuilds tooth enamel. “Before too long, you may be able to buy a breath mint that rebuilds your tooth enamel while it whitens your teeth, thanks to a team of University of Washington researchers.” | learn more
The stock market speaks. “Alchian’s study using only public information to successfully identify the fuel material of a secret US nuclear bomb test provides powerful evidence in favor of market efficiency…” | learn more
thoughts of food 🍔
The case for MSG. “According to Rains and her team, MSG is one of the most baselessly demonized ingredients in American history.” | learn more
big ideas 📚
The independent researcher. “After digging around a bit, I was fascinated to learn that independent researchers were fairly common in the 18th and 19th centuries… These days, if you say you work in research, most people assume you work in academia.” | learn more
calls to action 👇
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