2041
Permeable materials in homes act as sponges for harmful chemicals: study
Permeable materials in homes can retain volatile organic compounds for up to a year
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Science & Space
The most popular blog posts about science & space on Hacker News. 2,419 posts.
2042
2043
Heart rate variability differs between smartwatch and clinical testing
At a time when usage of smartwatches and rings has become more common, a West Virginia University human performance researcher points out heart rate variability — the time between heartbeats — the devices report is different from what would be recorded in a clinical setting.
2044
Can the knees go over the toes? (2016)
Just last week, I was guest lecturing to a class of physical therapy students at the University of Missouri. I asked a simple question, “How many people here think we should never have our knees go…
2045
Computers Create Recipe for Two New Magnetic Materials
After a major metamaterials breakthrough, David Smith learned how to turn promising research into real-world applications.
2046
New research shows hydrogen-reduced iron has superior properties
New research within the HYBRIT project shows superior results on the properties and quality of the hydrogen direct reduced sponge iron compared to the fossil-based process.
2047
Researcher finds a new method for recycling polystyrene
In a paper published in the Proceedings of the National Academy of Sciences, a team led by Virginia Tech researchers presents a new method for recycling the material that also offers economic viability.
2048
Schizophrenia study finds new biomarker, drug candidate in mice
A new Northwestern University study in humans and mice has discovered a novel biomarker of schizophrenia that could also serve as a new drug candidate to treat the cognitive symptoms of the disorder. Schizophrenia affects .5% of the world’s population, including about two million people in the U.S.
2049
Neumann Drive: A Pulsed Cathodic Arc Thruster for Spacecrafts
Your Content Goes Here THE NEW STANDARD FOR IN-SPACE PROPULSION Our Products The Neumann Drive’s superior electric propulsion system doesn’t just focus on performance; it covers the full mission lifecycle. Our product range covers CubeSat, SmallSat and specific client requirements. Simple, solid-state, robust design…
2050
Printing tiny, high-precision objects
Researchers at EPFL have developed a new, high-precision method for 3D-printing small, soft objects. The process, which takes less than 30 seconds from start to finish, has potential applications in a wide range of fields, including 3D bioprinting.
2051
2052
Income Inequality (2016)
How is inequality measured, who produces key databases, and what does the data tell us?
2053
Frequent and infrequent users of social media respond differently to rewards
Habitual and nonhabitual social media users respond differently to likes, shares and comments.
2054
Human body temperature has decreased in United States, study finds
Stanford researchers have determined that average human body temperature in the United States has decreased since the 1800s.
2055
Cement's future could be a combination of carbon capture and electrification
Cement is an industry where capturing carbon emissions may be necessary. A combination with process heat electrification could be better than CCS alone.
2056
AI predicts effective depression treatment based on brainwave patterns
Tracking brainwave patterns and symptoms in patients with depression, researchers used artificial intelligence to predict best treatment options.
2057
2058
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.
2059
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.
2060
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.
2061
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.
2062
2063
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.
2064
2065
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.
2066
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.
2067
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"
2068
The first genome data from ancient Egyptian mummies
Study finds that ancient Egyptians were most closely related to ancient populations from the Near East.
2069
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.
2070
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…