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Topics /
Science & Space
The most popular blog posts about science & space on Hacker News. 4,455 posts.
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ArXiv's Updated Rate Limit Policy
arXiv, and the scientific community at large, are facing a watershed moment. Scholarly publishing is currently changing at a rapid pace, and we are seeing a…
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Common prostate cancer treatment linked to later dementia, researcher says
A new retrospective study of the health records of prostate cancer patients supports an association between androgen deprivation therapy and future risk of dementia.
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F-1 Engine Recovery
Thanks to the conservation team at the Kansas Cosmosphere and Space Center, the Apollo F-1 artifacts are ready for display. A few weeks ago the first shipment of artifacts arrived at The Museum of Flight here in Seattle, and I joined museum president Doug King, adjunct curator for space history Geoff Nunn, and…
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The Mysterious Aging of Astronauts
When I took Physics courses in college, I learned about how astronauts should age a tiny bit slower than us. Of course, they would be exposed to a lot more radiation so they might develop more cancers. But all in all, I would have been excited about the prospect of living in space. Then the … Continue reading The…
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An Israeli spacecraft is gearing up for a 2019 Moon mission
SpaceIL, a privately funded Israeli non-profit, will attempt to land a small spacecraft on the Moon in early 2019.
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An implantable device could enable injection-free control of diabetes
MIT engineers designed an implantable device that carries hundreds of thousands of islet cells along with its own on-board oxygen factory to keep the cells healthy. Such a device could help Type 1 diabetes patients eliminate the need for insulin injections.
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Homemade Memristor (2011)
Modified curve tracer is applying AC voltage. Horizontal axis represents voltage and the vertical axis represents current. In both cases, the curve always passes through zero voltage and current. This requirement must be met in order to be classified as a memristor.
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How the quantum search algorithm works
An explanation of how the quantum search algorithm works, & introduction to the design of quantum algorithms
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Humanity’s broken risk perception is reversing global progress
Human activity and behaviour is contributing to an increasing number of disasters across the world, putting millions of lives and every social and economic gain in danger, warns a new UN report.
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Aerodynamics of Gravel Bikes
Aerodynamics are an important factor in gravel racing and riding. Gravel racing speeds are high—the fastest riders in the 200-mile Unbound average 20 mph (32 km/h) across the Flint Hills of Kansas. And many gravel races can be extremely windy. Optimizing the aerodynamics of a…
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Sad Trombone Exoplanet Reality Check
Some people on the internet are getting very excited at the (unconfirmed) reports of an "Earth-like" exoplanet orbiting Proxima Centauri , a mere 4.25 light-years away from Earth. If correct, the planet is orbiting in the liquid water zone around our nearest stellar neighbour and is of the same order of mass as the…
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Data from Chernobyl and Fukushima provide answers about the risks of nuclear
The public is always asking of nuclear, ‘what if it all goes wrong?’ Data from Chernobyl and Fukushima have now provided the answer.
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What caused the hallucinations of the Oracle of Delphi?
Why did the oracle of Delphi go into a trance state? Does it have anything to do with ethylene?
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Long-term study reveals harm in regular cannabis use
Regular cannabis use has harmful effects regardless of the age a person starts using, a University of Queensland-led study has found.
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$200M gift propels scientific research in the search for life beyond Earth
November 8, 2023, Mountain View, CA – The SETI Institute , a non-profit scientific research organization, announced today a philanthropic gift of $200m from the estate of Franklin Antonio, a visionary supporter and catalyst of the work of the SETI Institute for more than 12 years. Co-founder of communications chip…
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Study uses wearables to show that physical activity lengthens REM latency
AUSTIN, Texas — A new study by an interdisciplinary team of researchers at The University of Texas at Austin provides the most reliable validation to date
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Algernon's Law
Why most supplements fail: IQ improvement skepticism, Yudkowsky & Bostrom’s heuristics, nootropics
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Futurist prediction methods and accuracy
I've been reading a lot of predictions from people who are looking to understand what problems humanity will face 10-50 years out (and sometimes longer) in order to work in areas that will be instrumental for the future and wondering how accurate these predictions of the future are. The timeframe of predictions that…
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Potentially Habitable Planet Discovered
Complexity scientist and VC Samuel Arbesman
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Clues to Covid-19 coronavirus’s vulnerability emerge from antibody against SARS
An antibody recovered from a survivor of the SARS epidemic in the early 2000s has revealed a potential vulnerability of the coronavirus at the root of COVID-19.
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A UC Santa Cruz professor unearthed the oldest alphabet yet
The emerging importance of the find underscores a key truth about archaeology: artifacts often hold secrets that only later generations can unlock.
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