301
Link between health spending and life expectancy: US is an outlier (2017)
Americans have a lower life expectancy than people in other rich countries despite paying much more for healthcare. What factors may explain this?
Top posts
Every blog post that took off on Hacker News, ranked by the votes of its best submission. 323 posts.
302
Urbanization
Around 80% of the world’s population lives in cities, towns, and suburbs rather than rural settlements. How has this changed, and what does urbanization look like across the world today?
303
Viktor T. Toth
This page contains a JavaScript calculator of Hawking radiation and other parameters of a Schwarzschild black hole.
304
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…
305
What was the death toll from Chernobyl and Fukushima?
When we think of nuclear safety, two accidents often come to mind: Chernobyl and Fukushima. What was the death toll and impact of these disasters?
306
Book Review: The Secret Of Our Success
[Previously in sequence: Epistemic Learned Helplessness] I. “Culture is the secret of humanity’s success” sounds like the most vapid possible thesis. The Secret Of Our Success by …
307
Rates of Motor Vehicle Crashes, Injuries and Deaths in Relation to Driver Age, United States, 2014-2015
This Research Brief presents updated data on crash risk using data on crashes from the US DOT in conjunction with data on driving mileage from the AAA Foundation's American Driving Survey.
308
Radioactive Waste – Myths and Realities
There are a number of pervasive myths regarding both radiation and radioactive wastes. Some lead to regulation and actions which are counterproductive to human health and safety.
309
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…
310
A Behind the Scenes Take on Lithium-ion Battery Prices
Automakers and policy makers are increasingly voicing their belief that the passenger vehicle of the future will be powered (partially or fully) by electricity. There remains, however, a lack of consensus on the timing and speed of the transition, in large part due to differing opinions on current and future…
311
Impact Speed and a Pedestrian's Risk of Severe Injury or Death
This study examines how vehicle speed influences the probability that a pedestrian struck by a vehicle will sustain severe injuries or die.
312
What is nuclear waste? Challenges and solutions
Nuclear waste is primarily composed of the atoms that are left over after larger atoms are split in a fission chain reaction. This page explains what it is in detail, what the hazards are, how we store it today, what the long-term plans are, and how much waste we make.
313
Each Country's Share of CO2 Emissions
Which 20 countries emit the most carbon dioxide? You may be surprised.
314
Population Growth
Explore global and national data on population growth, demography, and how they are changing.
315
Land Use
How is humanity using the Earth’s land? And how can we decrease our land use so that more land is left for wildlife?
316
How do CO2 emissions compare when we adjust for trade?
Which countries are net importers and exports of emissions? How much CO2 is ‘offshored’?
317
Fossil Fuels
Fossil fuels were key to industrialization and rising prosperity, but their impact on health and the climate means that we should transition away from them.
318
Ketamine: Now By Prescription
Last week the FDA approved esketamine for treatment-resistant depression. Let’s review how the pharmaceutical industry works: a company discovers and patents a potentially exciting new drug. …
319
Alcohol Consumption
Who consumes the most alcohol? How has consumption changed over time? And what are the health impacts?
320
Internet
More than half of the world is online, but the Internet is still young.
321
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…
322
Crop Yields
Increasing crop yields is crucial to improve food security, living standards, and reduce human impacts on the environment.
323
Renewable Energy
Renewable energy sources are growing quickly and will play a vital role in tackling climate change.