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Epistemic standards for “Why did it take so long to invent X?”
How to answer this question—and how not to
Topics /
Science & Space
The most popular blog posts about science & space on Hacker News. 4,454 posts.
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Researchers treat depression by reversing brain signals traveling the wrong way
A new study led by Stanford Medicine researchers is the first to reveal how magnetic stimulation treats severe depression: by correcting the abnormal flow of brain signals.
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Cement recycling method could help solve one of the big climate challenges
Researchers from the University of Cambridge have developed a method to produce very low emission concrete at scale – an innovation that could be transformative in the transition to net zero.
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Good sleep, good learning, good life
Discover effective online language learning with SuperMemo. Learn languages with proven courses, intelligent repetitions, and AI tools. Start today!
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DolphinGemma: How Google AI is helping decode dolphin communication
Dolphin researchers are using Gemma and Google Pixel phones to try to decipher how dolphins talk to one another.
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The differences between tinkering and research (2016)
Some of us have academic degrees and fancy university jobs, and publish peer-reviewed papers in prestigious journals. Let's call these peopl...
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Ultrasound imaging of the brain
The most detailed vascular image of a living human brain we've seen, captured with ultrasound through the skull — and the pipeline behind it.
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What happens when a reservoir goes dry
[Note that this article is a transcript of the video embedded above.] In June of 2022, the level in Lake Mead, the largest water reservoir in the United States formed by the Hoover Dam, reached yet another all-time low of 175 feet or 53 meters below full, a level that hasn’t been seen since the la
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Blue light may not be as disruptive to sleep patterns as thought: mouse study
Contrary to common belief, blue light may not be as disruptive to our sleep patterns as originally thought - according to University of Manchester scientists. According to the team, using dim, cooler, lights in the evening and bright warmer lights in the day may be more beneficial to our health. Twilight is both…
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Oxygen Candles: Providing Emergency Air
Oxygen candles are used as a backup source of breathable air inside refuge chambers, making them ideal for emergency situations underground.
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Open source 3D atlas of human anatomy
In less than two years, 'Z-Anatomy' gathered more than 5.000 tridimensional anatomical structures and labels with more than 3500 definitions in two fully functional open source viewers. Available for free in 5 languages, it progressively becomes an open alternative to all the students, the Health Professional and the…
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Seaflooding
The Surprising Solution to Mitigate Climate Change, Create More Life, and Grow the Economy
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School closures led to more sleep and better quality of life for adolescents
Das Team Media Relations steht Journalistinnen und Journalisten gerne zur Verfügung. Suchen Sie unsere Expertinnen und Experten direkt, finden Sie Bilder der UZH und Medienberichte oder kontaktieren Sie Ihre Medien-Ansprechpartner.
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Jupyter, Mathematica, and the Future of the Research Paper
Economist. Policy Entrepreneur. Geek. Co-recipient of the 2018 Sveriges Riksbank Prize in Economic Sciences in Memory of Alfred Nobel. University Professor at NYU. Focused on urbanization; cooperation at scale of millions and billions; science; technology; economic development; long-term growth; code as language.
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Color blindness
Color blindness is an inaccurate term. Most color-blind people can see color, they just don't see the same colors as everyone else. There ha...
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Ham radio operators receive signals from Voyager 1 on Dwingeloo telescope
We have used the historic Dwingeloo radio telescope to receive signals from the Voyager 1 spacecraft. Only a few telescopes in the world have received these signals, which are very faint due to the distance of Voyager 1: almost 25 billion kilometers, more than four times the distance to Pluto.
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Spraying Magnetic Stripe Cards with Iron Filings
Posted by anaglyph under DIY , Gadgets , Hokum , Science , Skeptical Thinking , WooWoo [80] Comments
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Nobel Prize in Chemistry 2025
The Nobel Prize in Chemistry 2025 was awarded jointly to Susumu Kitagawa, Richard Robson and Omar M. Yaghi "for the development of metal–organic frameworks"
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3.4M Solar Panels
Benchmarks & Tips for Big Data, Hadoop, AWS, Google Cloud, PostgreSQL, Spark, Python & More...
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Top researchers leave USA for the Netherlands (in Dutch)
Het Tulp Fonds dat in 2025 door OCW en NWO in het leven werd geroepen, biedt internationale toponderzoekers de kans om hun onderzoek in Nederland voort te zetten: enerzijds omdat wereldwijd de academische vrijheid onder druk staat, anderzijds omdat hun kennis en expertise een enorme impuls geeft aan de innovatiekracht…
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How to see bright, vivid images in your mind’s eye (2016)
Learn to improve the brightness and clarity of images in your mind's eye. Image Streaming is an easy technique to learn. Is it a cure for aphantasia?