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New
The latest blog posts to take off on Hacker News. 4,457 posts.
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Hyperloop: Not so fast
This week Matt Brauer is back to describe work he did to analyze the trajectory of the Hyperloop proposal. This is a key input to the Hyperloop Simulink models we are building. Matt's conclusion is surprising: From the perspective of geographic constraints and rider comfort, the 760 mph peak speed is not an issue…
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‘Superbugs’ found breeding in sewage plants
Tests at wastewater treatment plants in China revealed antibiotic-resistant bacteria were not only escaping purification but also breeding and spreading their dangerous cargo.
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Sequence of Events in the Cockpit on Asiana Flight 214
Last week, the NTSB held the Asiana Flight 214 Investigative Hearing. On the 6th of July 2013, Asiana Flight 214, a scheduled passenger flight from Incheon, South Korea to San Francisco, CA, crashe…
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Scientists discover second code hiding in DNA
Finding a second code hiding in the genome casts new light on how changes to DNA impact health and disease.
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H5N1
Most of the time, we worry far too much about tail risk. We worry about terrorist attacks and necrotizing fasciitis, but not much about heart disease or car crashes. But in 2011, 17 US citizens...
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What Gives Gold that Mellow Glow? (2006)
What Gives Gold that Mellow Glow?
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Do-it-yourself EEG, EKG, and EMG
Do-it-yourself EEG, EKG, and EMG Source: https://sites.google.com/site/chipstein/home This site features things related to my interests...
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The Big Data Brain Drain: Why Science is in Trouble
Update, August 2014: see Hacking Academia , my most recent reflection on this subject.
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An Intuitive (and Short) Explanation of Bayes’ Theorem
Bayes’ theorem was the subject of a detailed article. The essay is good, but over 15,000 words long — here’s the condensed version for Bayesian newcomers like…
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LSD microdosing: a randomized, blind self-experiment
Self-experiment with sub-psychedelic doses of LSD; no benefit
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Reproducibility Initiative gets $1.3M grant to validate 50 cancer studies
Explore the Science Exchange Blog for expert insights on R&D outsourcing, supplier orchestration, and life sciences operations. Discover best practices for managing scientific suppliers, streamlining procurement, and accelerating research with a trusted global marketplace.
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Richard Feynman: Cargo Cult Science (1974)
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Algernon's Law
Why most supplements fail: IQ improvement skepticism, Yudkowsky & Bostrom’s heuristics, nootropics
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Nobel Prize in Physics awarded to Englert and Higgs
The Nobel Prize in Physics 2013 was awarded jointly to François Englert and Peter W. Higgs "for the theoretical discovery of a mechanism that contributes to our understanding of the origin of mass of subatomic particles, and which recently was confirmed through the discovery of the predicted fundamental particle, by…
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The Existential Risk of Mathematical Error
Mathematical mistake/error-rates limit our understanding of rare risks and ability to defend against them.
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Melatonin
Melatonin improves sleep, & sleep is valuable
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The Arsenic DNA paper exposes flaws in peer review
a blog about genomes, DNA, evolution, open science, baseball and other important things
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Dual N-Back Meta-analysis
Does DNB increase IQ? What factors affect the studies? Probably not: gains are driven by studies with weakest methodology like apathetic control groups.
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Nicotine as a useful stimulant
On the benefits and lack of demerits of nicotine (research up to 2015)