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New
The latest blog posts to take off on Hacker News. 409 posts.
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Kill the Alarm Clock (2017)
Few upwardly mobile people in the modern rat-race society can live without an alarm clock. With a shot of strong coffee and round-the-clock stress, most people learn to live and survive with an alarm clock. Half of the population wakes up with an alarm, 9% are woken by a partner, 4% by pets, 3% by children, etc. That…
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Food Order Has Significant Impact on Glucose and Insulin Levels (2015)
Eating protein and vegetables before carbohydrates leads to lower post-meal glucose and insulin levels in obese patients with type 2 diabetes.
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Mouse studies show gene therapy can cause big drop in latent herpes infections
Improved gene therapy techniques cleared up to 95 percent of latent herpes virus in mice. Human trials? At least 3 years away. Fred Hutch virologist Dr. Keith Jerome hopes this study "opens up the idea that we can start thinking about cure, rather than just control of the virus."
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Electricity Mix
Explore data on where our electricity comes from and how this is changing.
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Turtle visual cortex is non-retinotopic
Most of the visual cortex studies I’ve read have been about mammalian vision. But mammals are not the only organisms with cortex, or at least tissue resembling cortex. This paper explores turtle visual cortex, in an area known as dCx. This dorsal region plays the role of the turtle primary vision center — as close as…
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A simple 11.2 GHz radio telescope (Hardware) (2020)
Abstract : In this post we describe the construction of a small amateur radio telescope operating at
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Foraging humans, mammals and birds who live in the same place behave similarly
Foraging humans find food, reproduce, share parenting, and even organise their social groups in similar ways as surrounding mammal and bird species, depending on where they live in the world, new research has found.
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23andMe to merge with VG Acquisition Corp. to become publicly-traded company
23andMe to Merge with Virgin Group’s VG Acquisition Corp. to Become Publicly-Traded Company Set to Revolutionize Personalized Healthcare and Therapeutic Development through Human Genetics January 15, 2021 Medscape study in collaboration with 23andMe finds Primary Care Physicians are increasingly more comfortable with…
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The Arctic Ocean was covered by a shelf ice and filled with freshwater
The Arctic Ocean was covered by up to 900 m thick shelf ice and was filled entirely with freshwater at least twice in the last 150,000 years. This surprising finding, reported in the latest issue of the journal Nature, is the result of long-term research by scientists from the Alfred Wegener Institute and the MARUM…
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Sequencing your DNA with a USB dongle and open source code
It takes the most exquisite measurements you can imagine, recording the changes in current associated with different bits of DNA.
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RNA Memory Hypothesis
There’s an old theory that memory is actually encoded in part in RNA. The argument is pretty simple: there’s no obvious way for all that sensory data to be captured in synapses as long …
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Oxford vaccine shows sustained protection of 76% in 3-month gap til second dose
Analyses reveal single standard dose efficacy from day 22 to day 90 post vaccination of 76% with protection not falling in this three-month periodAfter the second dose vaccine efficacy from two standard doses is 82.4% with the 3-month interval being used in the UK. (82.4% effective, with a 95% confidence interval of…
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What Did We Lose When We Lost the Stars?
Starlink is a point of departure to consider the costs of the unrelenting drive toward artificial illumination, a technological development most of us now take for granted.
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Ontology of Psychiatric Conditions: Taxometrics
Is mental illness a thing? What kind of thing is it?
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Wrong Again: 50 Years of Failed Eco-pocalyptic Predictions
Modern doomsayers have been predicting climate and environmental disaster since the 1960s. They continue to do so today. None of the apocalyptic predictions with due dates as of today have come true. What follows is a collection of notably wild predictions from notable people in government and science.
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Long-term study reveals harm in regular cannabis use
Regular cannabis use has harmful effects regardless of the age a person starts using, a University of Queensland-led study has found.
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Greens: why we eat the leaves that we do (2013)
Jeanne reveals which branches of the evolutionary tree of plants bear edible leaves and speculates about why that is. Most of the 300,000 + plant species have leaves, and the function of all of the…
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Solar is now ‘cheapest electricity in history’, confirms IEA
The International Energy Agency's World Energy Outlook 2020 report has found that, in most major countries, solar power is now cheaper than coal and gas.
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Lack of sleep, stress can lead to symptoms resembling concussion
A new study suggests that a lot of people might be going through life with symptoms that resemble concussion – a finding supporting researchers’ argument that athletes recovering from a brain injury should be assessed and treated on a highly individualized basis.In the national study, between 11% and 27% of healthy…
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Atomic resolution video of salt crystals forming in real time
Crystal close up. Capturing the Moment of Emergence of Crystal Nucleus from Disorder. © 2021 The University of Tokyo by T. Nakamuro, M. Sakakibara, H. Nada, K. Harano, and E. Nakamura
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Study Reveals Immune Driver of Brain Aging
Scientists have identified a key factor in mental aging and shown that it might be prevented or reversed by fixing a glitch in the immune system's front-line soldiers.
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How to Start a Biotech Company on a Budget
Running a biotech company is capital intensive, and this can make it intimidating to get started. Founders sometimes face a chicken and egg problem: how do you make progress without millions of dollars in funding, and how do you raise millions of dollars in funding without having made progress? However, it is quite…
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Exploring the Supply Chain of the Pfizer/BioNTech and Moderna Covid-19 Vaccines
Sections of this post were co-authored by Cornelia Scheitz. Noah Leidinger created a German translation. Piotr Kwapin created a Polish translation. Last updated on February 7, 2021. Bert Hubert’s excellent and widely shared article about Reverse Engineering the source code of the Pfizer-BioNTech SARS-CoV-2 Vaccine is…
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Periodical cicada Brood X will emerge in 15 states in 2021
Magicicada periodical cicadas often emerge one or four years earlier or later than their main brood is expected to emerge. When they do, we call them precursors or stragglers (the most common name in scientific literature). This behavior is natural and expected, and how Magicicada have branched off into new broods…