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Reversing hearing loss with regenerative therapy
The MIT spinout Frequency Therapeutics uses a new kind of druggable regenerative therapy that targets progenitor cells to create hair cells of the inner ear and reverse hearing loss.
New
The latest blog posts to take off on Hacker News. 2,419 posts.
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5-min breathing workout lowers blood pressure as much as exercise, drugs (2021)
Strength training for your breathing muscles? Daily High-Resistance Inspiratory Muscle Strength Training lowers blood pressure and improves vascular health as
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New Covid nasal spray outperforms current antibody treatments in mice
A new protein-based antiviral nasal spray is being advanced to Phase I human clinical trials to treat COVID-19. It works by blocking the spike protein's ability to infect cells.
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A new heat engine with no moving parts is as efficient as a steam turbine
Engineers at MIT and NREL have developed a heat engine with no moving parts that is as efficient as a steam turbine.
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A number of countries have decoupled economic growth from energy use, even if we take offshored production into account
Energy use is declining in some countries, despite economic growth.
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First Light (Oxford University spinout) achieves nuclear fusion
First Light Fusion (First Light), the University of Oxford fusion spin-out, today confirms it has achieved fusion. The UK Atomic Energy Authority (UKAEA) has independently validated the result.
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The human genome is, at long last, complete
Results of automated DNA sequencing, displayed on the screen of a tablet computer. (Turtle Rock Scientific/Science Photo Library)
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No increased risk of brain tumours for mobile phone users, new study finds
Longstanding fears that using mobile phones may increase the risk of developing a brain tumour have been reignited recently by the launch of 5G (fifth generation) mobile wireless technologies. Mobile phones emit radiofrequency waves which, if absorbed by tissues, can cause heating and damage.
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California study begins screening for MDMA-assisted therapy for PTSD
Our Expanded Access Program study site at Sage Integrative Health in Berkeley, California, began screening participants for MDMA-assisted therapy for PTSD in early March. Our multi-site expanded access study site for MDMA-assisted therapy for patients with treatment-resistant PTSD at the Pearl Psychedelic Institute in…
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New type of ultraviolet light makes indoor air as safe as outdoors
A new type of ultraviolet light that is safe for people destroyed more than 98% of airborne microbes in a room within five minutes, a study found.
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Covid and the Heart: It Spares No One – Johns Hopkins
New evidence suggests anyone infected with COVID is at higher risk for heart issues—a risk that persists even in relatively healthy people long after the illness has passed.
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OneWeb will resume satellite launches with SpaceX as the launch provider
31 GEO satellites and Eutelsat’s OneWeb LEO constellation of +600 satellites deliver resilient, secure connectivity across land, sea and air.
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A 9-line summary of textbook physics
All their wonders in one table
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Oxidation makes tea black
Oxidation radically alters everything we perceive in food. It changes the flavor, aroma, color, and texture of everything we eat and drink. Without oxidation, tea would taste unbearably bitter. Oxidation is what unlocks tea’s hidden flavors by removing bitter compounds and transforming flavorless proteins into…
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iPhone lidar with applications for the geosciences
Lidar (light detection and ranging) is a common remote sensing technique used to create high-resolution three-dimensional models of landscapes and built features. Lidar uses laser pulses to measure distances to the ground or other features. Traditionally, lidar scanners are mounted to airborne or terrestrial…
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Electric fields, not individual neurons, may hold information in memory: study
A new study suggests that electric fields may represent information held in working memory, allowing the brain to overcome “representational drift,” or the inconsistent participation of individual neurons
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Joro spiders likely to spread beyond Georgia
New research suggests the invasive but relatively harmless Joro spider could colonize the entire East Coast.
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Lead exposure in last century shrunk IQ scores of half of Americans: study
DURHAM, N.C. -- In 1923, lead was first added to gasoline to help keep car engines healthy. However, automotive health came at the great expense of our own well-being.
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Vitamin D supplements lower risk of autoimmune disease, researchers say
A new study finds vitamin D supplements with or without omega-3s decreased the risk of autoimmune diseases by 22 percent compared to placebo.
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IBM open sources fully-functional Lego microscope design (2020)
By Katia Moskvitch
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Are sprouted potatoes safe?
You are better off tossing potatoes that have turned green or grown sprouts. Eating them puts you at risk for toxicity from solanine and chaconine, two natural toxins found in green or sprouted potatoes.
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Reducing the risk of nuclear war should be a key concern of our generation
The consequences of nuclear war would be devastating. Much more should – and can – be done to reduce the risk that humanity will ever fight such a war
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