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Some data on mask effectiveness
We’re still in the early days of understanding exact effectiveness. Few randomized control trials have been done. However, there’s some good…
Dec 31, 2020
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David and Ren
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Some data on mask effectiveness
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How to Make Digital Stuff that Looks Good Even if You're Not Artistic
Use Canva to do anything that requires some sort of graphic design skill -- whether that’s making a slide deck, a poster, a flyer, or a digital ad…
Dec 22, 2020
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David and Ren
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How to Make Digital Stuff that Looks Good Even if You're Not Artistic
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How Cheese gets made
Cheesemaking starts with curdling milk with acid, and separating the curds (solids) from the whey (liquids, with some protein) Curdling happens by…
Dec 13, 2020
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David and Ren
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How Cheese gets made
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Covid Vaccine update: State of the rollout (12/8)
The UK has authorized the Pfizer vaccine and gave their first vaccination today; in the US, the FDA is meeting to decide on the Pfizer vaccine this…
Dec 8, 2020
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David and Ren
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Covid Vaccine update: State of the rollout (12/8)
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What is DeepMind's AlphaFold?
Each protein is a sequence of amino acids that folds up into an intricate 3D shape that determines what it does. It’s been postulated that the amino…
Dec 4, 2020
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David and Ren
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What is DeepMind's AlphaFold?
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What does FDA approval mean?
FDA approval is required for Class III medical devices (like heart valves) and treatments for diseases. It is not required for things like fitness…
Dec 1, 2020
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David and Ren
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What does FDA approval mean?
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November 2020
Is Recycling in the US a Big Lie?
Only recycle clean and dry, paper, cardboard, bottles, and cans. Don’t attempt to recycle plastic. “When in doubt, throw it out.” China used to be the…
Nov 27, 2020
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David and Ren
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Is Recycling in the US a Big Lie?
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What's up with Blue Light-Filtering Glasses
Official medical associations are not recommending blue light glasses (as of November 2020). This doesn’t mean they don’t work, but there’s a lack of…
Nov 24, 2020
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David and Ren
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What's up with Blue Light-Filtering Glasses
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Facebook Pixel Tracks You Around the Internet to Serve You Ads
The Facebook pixel is a piece of code that brands add to their website. It’s Facebook’s way of tracking every single visitor’s interactions with the…
Nov 21, 2020
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David and Ren
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Facebook Pixel Tracks You Around the Internet to Serve You Ads
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How do Moderna and Pfizer's mRNA vaccine work?
This post had strong contributions from Lawrence Chiou, a graduate student in Biophysics at Stanford. Both the Moderna and Pfizer Covid vaccines are…
Nov 19, 2020
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David and Ren
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How do Moderna and Pfizer's mRNA vaccine work?
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What to know about the Moderna Vaccine
The trial was run on 30,000 volunteers. In the placebo group, 90 got infections, and 11 developed severe symptoms. In the vaccine group, 5 got infected…
Nov 17, 2020
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David and Ren
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What to know about the Moderna Vaccine
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Takeaways for modern living
Welcome to Key Points by David and Ren. We’re Ex-{Uber, Google, Journalist, Quant}. Every email, we’ll provide a bite-sized explainer of a topic in…
Nov 16, 2020
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David and Ren
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Takeaways for modern living
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