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Ketogenic diet helps tame flu virus in mice
Mice fed a ketogenic — or very low-carb — diet were better able to combat the flu virus than mice fed food high in carbohydrates, according to a new Yale study.
Topics /
Science & Space
The most popular blog posts about science & space on Hacker News. 4,455 posts.
3752
Why do we eat grains? Thermodynamics
For generations their people had collected the seeds of tall grasses, which they cooked and ate to supplement their diet of foraged fruits, vegetables, and leaves, and hunted game, fish, and seafood.
3753
Gödel's Incompleteness Theorem explained
This theorem is one of the most important proven in the twentieth century. Here are a few brief selections that will help you start to understand it. Gödel’s original paper “On Formally Undecidable Propositions” is available in a modernized translation . It’s also in print from Dover in a nice, inexpensive edition …
3754
Italians and Dutch share the same gestural instinct for teaching
New study by Emanuela Campisi (University of Catania) and Anita Slominska and Asli Ozyurek (Max Planck Institute for Psycholinguistics) reveals that Italian and Dutch adults adapt their hand gestures in remarkably similar ways when explaining new concepts to children.
3755
Learning about Innovation from Half a Century of Conway's Game of Life
Stephen Wolfram investigates the discovery of structures since the Game of Life was invented--searching possibilities versus invention by explicit effort. A thorough look at oscillators, modularity, glider guns.
3756
Newly observed optical state could enable quantum computing with photons
MIT and Harvard physicists have created a new form of light that could enable quantum computing with photons.
3757
Time perception, just like vision, is a construction of the brain
The days of thinking of time as a river—evenly flowing, always advancing—are over. Time perception, just like vision, is a construction of the brain.
3758
Outdoor Sound Propagation in the U.S. Civil War (1999)
Students of military history know that acoustic refraction and unusual audibility have often played significant roles in the outcome of battles. Before electrical and wireless communications became common on the tactical level, the sound of battle was often the quickest and most efficient method by which a commander…
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Training Rats as Traders
I crafted this skinner box exclusively for the rattraders' training; it is equipped with airconditioning and a music device. The picture above shows the special light signal that indicates the start of trading. (image by Nora Friedel)
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FDA grants emergency authorization for first saliva-based coronavirus test
The new saliva collection method, which RUCDR developed in partnership with Spectrum Solutions and Accurate Diagnostic Labs, will allow for broader population screening than the current method of nose and throat swabs.
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Notes on Resonance
Resonance occurs when two sources of excitation fall completely in sync, and reinforce one another endlessly. In this state, the sources convey an unbounded amount of energy over time.
3764
Light without electricity? Glowing algae could make it possible
CU Boulder researchers have developed 3D-printable materials embedded with living bioluminescent algae that can produce sustained light.
3765
Vagus nerve stimulation significantly reduces rheumatoid arthritis symptoms
Northwell's Newsroom offers the latest news, thought leadership and media coverage from the health system's hospitals, clinicians and administrators.
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Nobel Prize Chemistry 2023
The Nobel Prize in Chemistry 2023 was awarded to Moungi G. Bawendi, Louis E. Brus and Aleksey Yekimov "for the discovery and synthesis of quantum dots"
3768
The first genome data from ancient Egyptian mummies
Study finds that ancient Egyptians were most closely related to ancient populations from the Near East.
3769
The lattice of sets of natural numbers is rich (2021)
$\newcommand\of{\subseteq}\newcommand\N{\mathbb{N}}\newcommand\R{\mathbb{R}}\def\<#1>{\left\langle#1\right\rangle}\newcommand\Z{\mathbb{Z}}\newcommand\Q{\mathbb{Q}}\newcommand\ltomega{{{<}…
3770
Latitude doesn’t exactly mean what I thought
There are two kinds of latitude: geocentric and astronomical. On a perfect sphere, they're the same, but on an oblate spheroid like Earth they're different.
3771
Picture This: The Periodic Table
Philip Ball on the visual ordering of all the elements known to humankind—and how we might order them differently.
3772
Particle accelerators for the microchip era
Swinging for the fencesThe term “particle accelerator” might lead most people to envision long underground tunnels stretching tens of kilometers and rooms full…
3773
Yale scientists make a borophene breakthrough
A flake just one atom thick has provided scientists at Yale with new insight into a promising material for the next generation of high-speed electronics.
3774
How Do Semiconductors Work? Introduction to SiliWiz
How SiliWiz helps you get an understanding of how semiconductors work and are manufactured
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Curve fitting A: Linear Least Squares
The graph on the left shows a third example, taken from analytical chemistry: a straight-line calibration data set where X = concentration and Y = instrument reading (Y = a + b X). Click to download that data . The blue dots are the data points. They don't all fall in a perfect straight line because of random noise…
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The Axiom of Choice Is Wrong (2007)
When discussing the validity of the Axiom of Choice, the most common argument for not taking it as gospel is the Banach-Tarski paradox. Yet, this never particularly bothered me. The argument …
3777
More women than expected are genetically men (2016)
AF MORTEN BUSCH Kønskromosomerne giver normalt svaret på om du er kvinde eller mand. Kvinder har XX. Mænd XY. En lille gruppe af kvinder er dog rent genetisk mænd. De vokser op som kvinder med en kvindes krop, og de fleste opdager først langt inde i puberteten, at de er anderledes. Nu har danske forskere […]
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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…
3779
Is soy a key driver of deforestation?
The world loses 5 million hectares of forest each year. What activities are driving this?
3780
The likelihood of unilateral solar geoengineering
People are starting to take geoengineering seriously.