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Making Penicillin at Home
This article explains how to make antibiotics at home in the event of a collapse situation
Topics /
Science & Space
The most popular blog posts about science & space on Hacker News. 248 posts.
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No funding for uncomfortable results
Latanya Sweeney blew the whistle on how easy supposedly de-identified data could be re-identified. Her results were not well received.
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‘Oumuamua, Thin Films and Lightsails
Thanks, Hamilton1. The two reports look like excellent studies. At first scan, it looks like there are still things to examine though. For example, if ‘Oumuamua is considered representative of extra-solar objects in its debris trail, then the idea that extra solar meteorites showing up, say in Greenland, is in real…
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High-quality schools can increase academic achievement among the poor (2010)
Harlem Children’s Zone (HCZ), an ambitious social experiment, combines community programs with charter schools. We provide the first empirical test of the causal impact of HCZ charters on educational outcomes. Both lottery and instrumental variable identification strategies suggest that the effects of attending an HCZ…
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Spain will soon overtake Japan in life expectancy rankings
Spain is forecast to topple Japan from the top spot in the longest life expectancy league table by 2040, while the US continues to slip down the rankings.
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How do plutonium-powered pacemakers work?
From the highly eclectic blog of Mark Dominus
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MIT mathematicians solve age-old spaghetti mystery
Researchers have long have puzzled over why it’s so hard to break a piece of dry spaghetti into only two pieces. A new MIT study follows up on the musings of physicist Richard Feynman, showing how and why it can be done.
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Yale researchers 'teleport' a quantum gate
Yale researchers have demonstrated one of the key steps in building modular quantum computers: “teleporting” a quantum gate between two qubits, on demand.
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When starting school, younger children are more likely to be diagnosed with ADHD
A Harvard study has found that children born in August in states with a Sept. 1 cutoff birth date for school enrollment have a 30 percent higher risk for ADHD diagnosis than peers born in September, which may reflect overdiagnosis.
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Yakhchal: Ancient Refrigerators (2009)
By 400 BC, Persian engineers had mastered the technique of storing ice in the middle of summer in the desert. The ice was brought in during the winters from nearby mountains in bulk amounts, and stored in a Yakhchal , or ice-pit. These ancient refrigerators were used primarily to store ice for use in the summer, as…
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Mathematician-M.D. claims to have solved the 110-year-old Lindelöf hypothesis
A completely new approach suggests the validity of the 110-year-old Lindelöf hypothesis, opening up the possibilities of new discoveries in quantum computing, number theory and cybersecurity
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When There’s an Audience, People’s Performance Improves
Follow the Johns Hopkins Medicine newsroom for the latest updates in medicine, scientific discovery, and next generation medical education, expert sources, and media contact information.
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MINERVA-II1: Successful image capture, landing on Ryugu and hop
MINERVA-II1: Successful image capture, landing on Ryugu and hop!
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Comparing City Street Orientations
This post is adapted from this research paper that you can read/cite for more info. It analyzes and visualizes 100 cities around the world.
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First physiological test for autism proves high accuracy in second trial
One year after researchers published their work on a physiological test for autism, a follow-up study confirms its exceptional success in assessing whether a child is on the autism spectrum.
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Automatic Machine Knitting of 3D Meshes
This Carnegie Mellon Textiles Lab web page is now available at https://textiles.cs.cmu.edu/publications/2018-autoknit/ .
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Flyover video of Jupiter’s Europa
NASA engineer Kevin Gill stitched together images from two 1998 observations of Europa by the Galileo spacecraft to create this super smooth flyover video of th
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The ‘clean plate’ mentality drives us to overeat?
We’re more likely to overeat when we only have a little bit of food left over, and we justify it by convincing ourselves it’s not as unhealthy as it is, according to new research by marketing professor Kelly Haws.
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How Isaac Asimov shaped robotics and space exploration and predicted the Internet
Some futurists try to foresee the future. Others attempt to shape it. Yet prolific science-fiction author and biochemist Isaac Asimov did both. Asimov not
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Darwin: a genomics co-processor provides up to 15,000x acceleration
Darwin: a genomics co-processor provides up to 15,000x acceleration on long read assembly Turakhia et al., ASPLOS’18 With the slow demise of Moore’s law, hardware accelerators are needed to m…
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To predict the future, the brain uses two clocks
In sports, music and other activities, our movement is calculated in two different parts of the brain
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An Israeli spacecraft is gearing up for a 2019 Moon mission
SpaceIL, a privately funded Israeli non-profit, will attempt to land a small spacecraft on the Moon in early 2019.
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An explorable explanation of relativistic spacetime
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