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New
The latest blog posts to take off on Hacker News. 323 posts.
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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?
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Heat Pumps Work Miracles
[ An updated treatment of some of this material appears in Chapter 6 of the Energy and Human Ambitions on a Finite Planet (free) textbook. ]
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Why Drugs That Work in Mice Don't Work in Humans
OLXTOTO hadir sebagai Panglima Sekutu situs toto dan bandar toto Macau resmi dengan sistem stabil, layanan terpercaya, serta pengalaman bermain yang nyaman.
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Practical Facts about the Human Brain
I don’t think it’d have been possible for me to connect with the topic of emotional resilience without a really solid amount of scientific evidence and brain facts supporting it. As a self-identified left-brained male, I need a lot of safety signals from the world of science to really allow myself to go deeper into […]
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Exercise, fasting shown to help cells shed defective proteins
A new study from the Blavatnik Institute finds that intense exercise and fasting activate hormones that boost cells’ capacity to dispose of defective proteins, which clog up the cell, interfere with its functions, and, over time, precipitate diseases including neurodegenerative conditions such as ALS and Alzheimer’s.
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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.
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Cancer death rates are falling, five-year survival rates rising
Cancers are one of the leading causes of death globally. Are we making progress against them?
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Discovering a New Form of Communication in the Brain
Case Western Reserve researchers observe waves ‘leap’ across cut in brain tissue; ‘ephaptic coupling’ said to be producing self-propagating wa...
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The Single Rotation rule: simple and rich reversible cellular automaton (2013)
See also other posts tagged Single Rotation . In the previous post I have presented the Reversible Cellular Automata simulator , along ...
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Color Spaces
Interactive article explaining color spaces and how they're used to express color.
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Time Travel (2006)
Last time we talked about free will, superintelligent predictors, and Dr. Evil planning to destroy the earth from his moon base. Today I'd like to talk about a more down-to-earth topic: time travel. The first point I have to make is one that Carl Sagan made: we're all time travelers—at the rate of one second per…
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An Introduction to CubeSats
An introduction that answers the questions what are cubesats, why they are so popular, what are their main subststems, and how does thier future look?
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The first dexterous and sentient hand prosthesis has been successfully implanted
Your Content Goes Here A female Swedish patient with hand amputation has become the first recipient of an osseo-neuromuscular implant to control a dexterous hand prosthesis. In a pioneering surgery, titanium implants were placed in the two forearm bones (radius and ulnar), from which electrodes to nerves and muscle…
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A 26,000-Year Astronomical Monument Hidden in Plain Sight
The western flank of the Hoover Dam holds a celestial map that marks the time of the dam’s creation based on the 25,772-year axial precession of the earth.
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In the foundations of physics we haven't seen progress for the past four decades
Science News, Physics, Science, Philosophy, Philosophy of Science
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New pill can deliver insulin
An MIT-led research team has developed a drug capsule that could be used to deliver oral doses of insulin, potentially replacing the injections that patients with type 2 diabetes have to give themselves every day.
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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…
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Dutch radio amateurs image far side of the Moon using Chinese satellite data
This image shows the far side of the Moon, as well as our own planet Earth. It was taken with a camera linked to an amateur radio transceiver on board the Chinese DSLWP-B / Longjiang-2 satellite (call sign BJ1SN), currently in orbit around the Moon, and transmitted back to Earth where it was received with the…
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Five Corrections to The New York Times
I am writing to request 5 corrections to the article on ancient DNA that appeared in this week’s The New York Times Magazine.
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