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New
The latest blog posts to take off on Hacker News. 2,419 posts.
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New studies confirm existence of galaxies with almost no dark matter
A pair of new Yale studies confirm that dark matter is not always associated with traditional matter on a galactic scale — which settles a year-long debate.
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Stellarium 0.19
The major changes of this version: 5 new sky cultures Refactoring the code: many improvements and fixes Added many DSO textures Many improvements for Scripti...
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Theoretical way to levitate objects with light
Specially designed materials enable objects of different sizes to be levitated and manipulated with light, thanks to new research from Caltech scientists.
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‘A Swiss cheese-like material’ that can solve equations
Engineering professor Nader Engheta and his team have demonstrated a metamaterial device that can function as an analog computer, validating an earlier theory about ‘photonic calculus.’
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Removing oil left behind in 2.5B gallons of produced water every day in U.S.
Purdue University is a world-renowned, public research university that advances discoveries in science, technology, engineering and math.
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Microsoft, UW demonstrate first fully automated DNA data storage
Researchers encode the word “hello” in fabricated DNA, convert it back to digital using fully automated DNA storage system.
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Cambridge spin-out starts producing graphene at commercial scale
A recent University of Cambridge spin-out company, Paragraf, has started producing graphene – a sheet of carbon just one atomic layer thick – at up to eight inches (20cm) in diameter, large enough for commercial electronic devices.
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5-MeO-DMT Associated with Improvements in Depression, Anxiety
Study: Fast-acting psychedelic associated with improvements in depression and anxiety ›
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Longevity and anti-aging research: ‘Prime time for an impact on the globe’
Research into extending humanity’s healthy lifespan has been progressing rapidly in recent years. In February, a group of aging and longevity scientists founded a nonprofit to foster the work and serve as a resource for governments and businesses looking to understand the potentially far-reaching implications of a…
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Atlas observes light scattering off light
Figure 1: ATLAS event display showing the energy deposits of two photons in the electromagnetic calorimeter (green) on opposite sides and no other activity in the detector, which is the clean signature of light-by-light scattering. The Feynman diagram of this process is shown in the lower right corner. (Image: ATLAS…
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Nitrogen-fixing trees “eat” rocks, play pivotal role in forest health
CORVALLIS, Ore. – By tapping nutrients from bedrock, red alder trees play a key role in healthy forest ecosystems, according to a new study. The study published today in the journal Proceedings of the National Academy of Sciences.
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Calculating a record-breaking 31.4T digits of Pi with GCP
Pi in the sky: Calculating a record-breaking 31.4 trillion digits of Archimedes’ constant on Google Cloud
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Opioids and the Labor Market (2018)
This paper finds evidence that opioid availability decreases labor force participation while a large labor market shock does not influence the share of opioid abusers. We first identify the effect of availability on participation using the geographic variation in opioid prescription rates. We use a combination of the…
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John Ioannidis Aims His Bazooka at Nutrition Science (2018)
Dr. Ioannidis is not just a bull in a china shop; he's a bazooka in a china shop. And now the bazooka is aimed at shoddy nutrition research, which he suggests is in need of "radical reform."
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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…
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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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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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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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