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Drivers who keep their windows down are exposed to 80 percent more air pollution
Discover how Surrey researchers show driving with windows down increases exposure to air pollution by around 80%, with implications for health.
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The latest blog posts to take off on Hacker News. 374 posts.
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Our World in Data: Suicide
Suicide rates can be reduced with greater understanding and support for people at risk.
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Treating children for worms yields long-term benefits, says new study
Children who receive a few extra years of deworming treatment eventually have better jobs, higher incomes, says study led by Berkeley economist Edward Miguel.
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Infrared thermometers to screen for Covid: more marketing than medical evidence
Many restaurants, theatres and offices are using infrared thermometers to get the country back to work. Multiple companies are advertising these as a way to ‘reassure’ employers and employees. In China, security guards have even been given infra-red spectacles in order to detect people with fever. But where’s the…
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Glucosamine Supplementation Reduces All-Cause Mortality: Study
A recent analysis published in the journal BMJ showed that glucosamine supplementation conveys around a 15% reduction of all-cause mortality.
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Anti-climate action statements get more visibility in news coverage, study finds
Analysis by assistant professor of environment and society and sociology at Brown found that press releases expressing opposition to climate action were twice as likely to receive news coverage as those supporting action.
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Masking lack of evidence with politics
The increasing polarised and politicised views 1 on whether to wear masks in public during the current COVID-19 crisis hides a bitter truth on the state of contemporary research and the value we pose on clinical evidence to guide our decisions.
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Finding Gene Cernan's Missing Moon Camera
It’s often repeated how most of the cameras that landed on the moon stayed on the moon. Gene Cernan had been telling the story of how he left his camera on the lunar rover for years, recounting the tale in interviews. Looking closer, however, you being to unravel a space-age mystery.
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Saliva based Covid test: results in 45 minutes
Researchers from the BioFrontiers Institute at CU Boulder have developed a saliva-based COVID-19 test capable of returning results in as little as 45 minutes—no
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First Ever Image of a Multi-Planet System Around a Sun-Like Star Captured by ESO
The European Southern Observatory’s Very Large Telescope (ESO’s VLT) has taken the first ever image of a young, Sun-like star accompanied by two giant exoplanets. Images of systems with multiple exoplanets are extremely rare, and — until now — astronomers had never directly observed more than one planet orbiting a…
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New Cobalt-free Li-ion battery reduces costs with similar design and performance
AUSTIN, Texas — For decades, researchers have looked for ways to eliminate cobalt from the high-energy batteries that power electronic devices, due to its
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The event that eventually led to Newton writing and publishing the Principia
The event that would eventually lead to Isaac Newton writing and publishing his magnum opus, the Philosophiæ Naturalis Principia Mathematica (the Mathematical Principles of Natural Philosophy), too…
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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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How Pulse Oximeters Work (2015)
Principles of how pulse oximetry works explained without using complicated physics.
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What if the Trinity test had failed?
If the first nuclear weapons test had been a flop, would the world be better or worse off?
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Who is the greatest knife steel metallurgist of all time?
There have been many metallurgists over the decades who have developed steels used in knives. Who has made the greatest contribution?
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Do We Need a Theory of Everything?
Science News, Physics, Science, Philosophy, Philosophy of Science
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An aerospace engineer explains fireworks
A quick look at the ballistics and stability of aerial fireworks.
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Two-Thirds of Americans Think Government Should Do More on Climate
There is bipartisan support for several proposals to reduce the effects of climate change, especially for large scale tree-plantings to help absorb carbon emissions and offering tax credits to businesses that capture carbon emissions.
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Why Can't I Reproduce Their Results?
Computer Science, Machine Learning, Programming, Art, Mathematics, Philosophy, and Short Fiction
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2+1=4, by quinoa
I was struck the other day by the following: The cooking instructions on my Bob’s tri-colored quinoa package said to combine 2 cups of water with 1 cup of dried quinoa, which would ultimately create 4 cups of cooked quinoa. See image above. My first reaction was to believe …