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Sanitation conquered disease long before vaccines or antibiotics
Of all the technologies against infectious disease, which mattered most? A data-driven approach
New
The latest blog posts to take off on Hacker News. 4,456 posts.
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Obesity
When did obesity increase? How do rates vary across the world? What is the health impact?
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Rat had 'no brain' and somehow lived a normal life
Many scientists believe that parts of the brain are meant only for specific functions. What if there were an animal that proved them wrong?
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Entropy in the Universe
If you click on this picture, you’ll see a zoomable image of the Milky Way with 84 million stars: But stars contribute only a tiny fraction of the total entropy in the observable Universe. If…
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Projective Geometric Algebra Done Right
[This is part one of a two-part series. The second part can be found here: Symmetries in Projective Geometric Algebra .]
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Human body temperature has decreased in United States, study finds
Stanford researchers have determined that average human body temperature in the United States has decreased since the 1800s.
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AlphaFold: Using AI for Scientific Discovery
In our study published in Nature, we demonstrate how artificial intelligence research can drive and accelerate new scientific discoveries. We’ve built a dedicated, interdisciplinary team in hopes of using AI to push basic research forward: bringing together experts from the fields of structural biology, physics, and…
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A biotechnology dream: nitrogen-fixing cereal crops
MIT Professor Christopher Voigt and his team are working to transform cereal crops so they are able to fix their own nitrogen. The research has been funded by the Abdul Latif Jameel Water and Food Systems Lab (J-WAFS).
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Plastic Pollution
How much plastic ends up in the ocean? Where does it come from?
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A global reforestation project is how we fix climate change
An In-Depth Overview of Key Technical Factors
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Machine keeps human livers alive for one week outside of the body
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What is music? A unified theory of music and dreaming
For the purposes of this article, when I talk about "dreams" and "dreaming", without any further qualification, I am referring to the dreams that occur during sleep.
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Why I Keep a Research Blog
Before I started taking writing seriously, I had a loose grasp of many mathematical and technical concepts; and I was not sure how to tackle open-ended problems. Maintaining this research blog has clarified my thoughts and improved how I approach research problems. The goal of this post is to explain why I have found…
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Images Created from Prime Numbers
Inspired by James McKee’s Trinity Hall prime, physics researcher Gilles Esposito-Farese (of the self-descriptive pangram) has worked out that this 2,258-digit prime number: 53084469288402965415857953902888840109250315594591772197851275320 59910735745658243457138160802170063601085186072703319516241231606…
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US emissions fell 2.1% in 2019
After a sharp uptick in 2018, we estimate that US greenhouse gas emissions fell by 2.1% last year based on preliminary energy and economic data. This decline was due almost entirely to a drop in coal consumption.
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How Bees Argue
The book Honeybee Democracy, published in 2010, has been sitting on my shelf for many years.
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Getting a 787 back in the air after a diversion
On Wednesday, 12 October at 38,000 feet over the North Pacific Ocean, American Airlines flight 288 developed an issue with its number 2 engine, the General Electric GEnx-1B engine on the right hand side of the aircraft. The crew decided the best course of action was to divert the aircraft, but over the Pacific…
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How strong is your knot?
MIT mathematicians and engineers have developed a mathematical model that predicts how stable a knot is, based on several key properties, including the number of crossings involved, and the direction in which the rope segments twist as the knot is pulled tight.
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Six works of Computer Science-Fiction (2015)
Computer Science-Fiction 1 is not actually fiction. Instead, these are books of computer science and/or programming that when you read them you can’t quite believe that what they claim is reality. Indeed, very often works of Computer Science-Fiction push the limits of your understanding of just what constitutes the…
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Why introductory chemistry is boring: a long-term historical perspective
Looking for flashcards for chemistry? Try 21st Night ! It allows you to create and share flashcards with anything on them: images, videos, equations, you name it . Plus, there’s a built-in to-do list!
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Blue light may not be as disruptive to sleep patterns as thought: mouse study
Contrary to common belief, blue light may not be as disruptive to our sleep patterns as originally thought - according to University of Manchester scientists. According to the team, using dim, cooler, lights in the evening and bright warmer lights in the day may be more beneficial to our health. Twilight is both…
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Why We Sleep: Responses to questions from readers
Introduction The aim of the book, Why We Sleep, is to provide the general public access to a broad collection of sleep research. Below, I address thoughtful questions that have been raised regardin…
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Alcohol Consumption
Who consumes the most alcohol? How has consumption changed over time? And what are the health impacts?
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Reconstruction of a Train Wreck: How Priming Research Went off the Rails
This blog post focusses on Chapter 4 about Implicit Priming in Kahneman's book "Thinking" Fast and Slow." A review of the book and other chapters can be found here: https://replicationindex.com/2020/12/30/a-meta-scientific-perspective-on-thinking-fast-and-slow/ Daniel Kahneman's response to this blog…