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Coronavirus (COVID-19) Testing
Explore data on COVID-19 testing across the world.
Most cited
Posts that commenters keep linking to, ranked by how many different people have cited them in Hacker News comments. 207 posts.
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The top 10 causes of death
WHO act sheet on the 10 leading causes of death. In 2023, the 10 leading causes of death accounted for 33 million deaths, or 54% of the total 61 million deaths worldwide. The top global causes of death, in order of total number of lives lost, are associated with two broad topics: cardiovascular (ischaemic heart…
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The Guy I Almost Was (1998)
An online graphic novel about a young man's coming of age in the California cyberculture of the early 1990s.
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How well do cars do in crash tests they're not optimized for?
Any time you have a benchmark that gets taken seriously, some people will start gaming the benchmark. Some famous examples in computing are the CPU benchmark specfp and video game benchmarks. With specfp, Sun managed to increase its score on 179.art (a sub-benchmark of specfp) by 12x with a compiler tweak that…
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‘Re-education’, forced labour and surveillance beyond Xinjiang
Australian Strategic Policy Institute2020255 points106 commentscited by 11Society, Policy & Culture details
‘Re-education’, forced labour and surveillance beyond Xinjiang. What’s the problem? The Chinese government has facilitated the mass transfer of Uyghur and other ethnic minority1 citizens from the far west region of Xinjiang to factories across the country. Under conditions that strongly suggest forced labour, Uyghurs…
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Why is life expectancy in the US lower than in other rich countries?
Americans have a lower life expectancy than people in other rich countries despite paying much more for healthcare. What factors may explain this?
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COMMENTARY: Masks-for-all for COVID-19 not based on sound data
Dr. Brosseau is a national expert on respiratory protection and infectious diseases and professor (retired), University of Illinois at Chicago. Dr. Sietsema is also an expert on respiratory protection and an assistant professor at the University of Illinois at Chicago.
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Updated WHO recommendations for international traffic in relation to COVID-19 outbreak
This document provides updated recommendations for international traffic in relation to the COVID-19 outbreak, in light of the rapidly evolving situation. It supersedes the advice published on 27 January 2020.On 30 January 2020, the Director-General of the World Health Organization, following the advice of the…
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H-1B visas and prevailing wage levels: A majority of H-1B employers—including major U.S. tech firms—use the program to pay migrant workers well below market wages
H-1B is a temporary nonimmigrant work visa that allows U.S. employers to hire college-educated migrant workers as well as fashion models from abroad; nearly 500,000 migrant workers are employed in the United States in H-1B status. The H-1B is an important—but deeply flawed—vehicle for attracting skilled workers to the…
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US Factory Farming Estimates
How many animals are factory farmed? We estimate that 99% of US farmed animals are living in factory farms at present. By species, we estimate that 74.9% of cows, 98.6% of pigs, 99.8% of turkeys, 98.3% of chickens raised for eggs, and over 99.9% of chickens raised for meat are living in factory farms. Based on the…
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How Congress Manufactured a Postal Crisis
An unprecedented congressional mandate threatens the Postal Service's ability to continue to provide good jobs and universal service.
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Mortality in the past: every second child died
The chances that a newborn survives childhood have increased from 50% to 96% globally. How do we know about the mortality of children in the past? And what can we learn from it for our future?
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US Federal Agricultural Farm Subsidies: How Much Farmers Get By Year
Federal farm subsidies make up an average of 13.5% of net farm income.
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How has social mobility in the U.S. changed in recent decades?
Historic data suggests that the likelihood of outearning your parents has declined over recent decades - so is the American Dream becoming a nightmare?
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Can face masks protect against COVID-19?-How well do face masks protect against COVID-19?
Face masks can help slow the spread of coronavirus disease 2019 (COVID-19). Learn about mask types, which masks to use and how to use them.
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Target didn’t figure out a teen girl was pregnant before her father did
And that one article that said they did was silly and bad
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Meat and Dairy Production
Meat is an important source of nutrition for people around the world. How quickly is demand growing? And what are the implications for animal welfare and the earth’s environment?
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Modeling a Wealth Tax
A wealth tax will usually have a threshold at which it starts. How much difference would a high threshold make? To model that, we need to make some assumptions about the initial value of your stock and the growth rate. Suppose your stock is initially worth $2 million, and the company's trajectory is as follows: the…
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The Internet of Beefs
You’ve heard me talk about crash-only programming , right? It's a programming paradigm for critical infrastructure systems, where there is -- by design -- no…
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The Global Dollar Short Squeeze
Published February 2020 There is currently a short squeeze affecting most of the global economy, slowing its growth. This has been the case well before the impacts from the trade war and the coronavirus. A short squeeze occurs when something that is heavily shorted goes on to rise sharply in price for one reason or […]
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America's Growth Ponzi Scheme
The American pattern of development creates the illusion of wealth. Today we are in the process of seeing that illusion destroyed…and with it the prosperity we have come to take for granted.
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Uber Announces Results for Fourth Quarter and Full Year 2019
Revenue of $4.1 billion, growing 37% year-over-year or 39% on a constant currency basis Rides Adjusted EBITDA of $742 million, with continued margin expansion Uber Technologies, Inc. (NYSE: UBER) today announced financial results for the fourth quarter and full year ended December 31, 2019. Financial Highlights for…
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In Defense of Inclusionism (2009-18)
Iron Law of Bureaucracy: the downwards deletionism spiral discourages contribution and is how Wikipedia will die.
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How much do rockets pollute?
Some might find it ironic that an organization like NASA, who studies our atmosphere, is ok with rockets polluting it so much. Or isn’t it weird that Elon Musk, the same person who is pushing sustainable energy with Tesla also has a rocket company that runs on fossil fuels? So today we are going to do a deep dive into…
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Emissions of richest 1 percent more than double the emissions of poorest 50%
The richest one percent of the world’s population are responsible for more than twice as much carbon pollution as the 3.1 billion people who made up the poorest half of humanity during a critical 25-year period of unprecedented emissions growth.
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Matrix' answer to Moxie: On privacy versus freedom
Matrix, the open protocol for secure decentralised communications
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Nature's Decline Unprecedented; Species Extinction Rates Accelerating (2019)
United Nations Sustainable Development Goals - Time for Global Action for People and Planet
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Fast Facts on Homeschooling
There were about 3.408 million homeschool students in 2024-2025 in grades K-12 in the United States. This is up from 2.5 million in spring 2019 [note 1]. The 3.408 million is an estimated 6.262% of the school-age population. The homeschool population had been growing at an estimated 2% to 8% per annum over the past…