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New
The latest blog posts to take off on Hacker News. 399 posts.
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Electrolyser development: 200 times less iridium needed
Researchers at TNO have been the first to develop a method that will require 200 times less iridium for electrolysis.
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Wild mammal biomass has declined by 85% since the rise of humans
Explore the diversity of wildlife across the planet. What are species threatened with? What can we do to prevent biodiversity loss?
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Flying the Unflyable Plane: The near crash of Air Astana flight 1388
A deeper analysis of the events which caused a Kazakh airliner to go out of control over Portugal in November 2018.
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Test scores are not irrelevant
Some claims that test scores don’t predict college success don’t add up.
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Vasa's sister ship Äpplet found
Marine archaeologists from Vrak - Museum of Wreck have found the wreck of the naval vessel Äpplet, Vasa's sister ship. The ship was first launched in 1629 and was built by the same master shipbuilder who completed the Vasa. The discovery was made within the research programme
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Study: Electroshock therapy more successful for depression than ketamine
Therapeutic technique, portrayed unfavorably in films and TV shows, shows consistently better results with treatment-resistant depression
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Butterfly wing patterns emerge from ancient ‘junk’ DNA
Butterfly wing patterns have a basic plan to them, which is manipulated by non-coding regulatory DNA to create the diversity of wings seen in different species, according to new research.
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Another scientific body has debunked bitemark analysis
Even in the face of overwhelming evidence, the criminal legal system is incapable of admitting its mistakes
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The Soviet Union’s Nuclear Icebreakers
If you want to watch the video first, it is below
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Sound
Interactive article explaining how sound works.
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Scientists discover mechanism of hearing
Discovery made possible by more than 60 million worms and state-of-the-art imaging accessible only at OHSU, two other national cryoEM centers in the U.S.
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Vogtle Unit 3 starts nuclear fuel load
Vogtle Unit 3's fuel load process is underway marking a historic milestone toward ommercial operation of the first new nuclear units in the United States in more than three decades
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Why wasn’t the steam engine invented earlier? Part III
You’re reading Age of Invention, my newsletter on the causes of the British Industrial Revolution and the history of innovation.
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A modern Fortran scientific programming ecosystem
Historically, large general-purpose libraries have formed the core of the Fortran scientific ecosystem (e.g., SLATEC , or the various PACKS ). Unfortunately, as I have mentioned here before, these libraries were written in FORTRAN 77 (or earlier) and remained unmodified for decades. The amazing algorithms continued…
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Students break acceleration world record for electric vehicles
Self-built electric vehicle sets new best time
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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.
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Ocean plastics: How much do rich countries contribute by shipping their waste?
Many countries ship plastic waste overseas. How much of the world’s waste is traded, and how big is its role in the pollution of our oceans?
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Researchers find ‘significant rates’ of sinking ground in Houston suburbs
Professor of Geology Shuhab Khan and his team analyzed thousands of water and oil wells in the Houston metro area and uncovered significant rates of subsidence in Houston's fast-growing suburbs that has not been reported before.
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Science is the belief in the ignorance of experts (2020)
Science is the belief in the ignorance of experts said Richard Feynman. Feynman had a Nobel prize in physics. He was a remarquable educator: his lecture notes are still popular. He foresaw nanotechnology and quantum computing. He is credited with identifying the cause of the Space Shuttle Challenger disaster. There is…
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Microbes that cause cavities can form superorganisms able to ‘crawl’
These multicellular, cross-kingdom assemblages were more resistant to antimicrobials and removal and caused more extensive tooth decay than their single-species equivalents, according to research led by School of Dental Medicine scientists.
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I wrote a short story about von Neumann probes
"They would have eaten our whole house and probably the whole cul-de-sac if we didn't find those jelly beans."
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Study links omega-3s to improved brain structure, cognition at midlife
Holy mackerel! Could eating salmon, cod, tuna, herring or sardines keep our brains healthy and our thinking agile in middle age? New research makes this connection. Contact: Will Sansom, (210) 567-2579, sansom@uthscsa.edu SAN ANTONIO (Oct. 5, 2022) — Eating cold-water fish and other sources of omega-3 fatty acids may…
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False memory implantation in adults is easy
false memory implantation in adults is easy (bonus: here's one way to do it)