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The most popular blog posts about science & space on Hacker News. 2,419 posts.
Business travel can get a bit boring can’t it? (OK a LOT boring). Imagine looking out of the window on a flight to see Discovery launching on its final mission. That would be quite cool. Neil Monday just did. I once saw Comet Hale Bopp and the northern lights when flying to San Francisco. I […]
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The Macaulay Library natural sound archive at the Cornell Lab of Ornithology has been fully digitized and is now available online.
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Fossils of a new group of animal predators have been located in the Early Cambrian Sirius Passet fossil locality in North Greenland. These large worms may be some of the earliest carnivorous animals to have colonised the water column more than 518 million years ago, revealing a past dynasty of predators that…
Assuming a widely-believed hypothesis concerning the least prime in an arithmetic progression, we show that two -bit integers can be multiplied in time on a Turing machine with a finite number of tapes; we also show that polynomials of degree less than over a finite field with elements can be multiplied in time …
Observations made with ESO’s Very Large Telescope (VLT) have revealed for the first time that a star orbiting the supermassive black hole at the centre of the Milky Way moves just as predicted by Einstein’s general theory of relativity. Its orbit is shaped like a rosette and not like an ellipse as predicted by…
Getting zapped with millions of volts of electricity may not sound like a healthy activity, but for some trees, it is, according to a new study. Published in New Phytologist, the study finds that some tropical tree species are not only able to tolerate lightning strikes, but benefit from them. The trees may have even…
MIT physicists have confirmed that as atoms are chilled and squeezed to extremes, their ability to scatter light is suppressed, making them less visible. The findings show the Pauli exclusion principle, or Pauli blocking, applies not just to electrons but also to atoms.
EPFL researchers have developed an implantable neural chip that tracks communication across brain regions, identifying cognitive and emotional states in real time.
Even as we discover more about Ceres, some mysteries only deepen. Mission Director Marc Rayman gives an update on Dawn as it moves ever closer to its next…
Follow ESA's mission to Comet 67P/Churyumov-Gerasimenko
New research in mice shows T cells prevent damaged nerve cells from regenerating due to a reversible, ageing-related mechanism.
The major changes of this version: 5 new sky cultures Refactoring the code: many improvements and fixes Added many DSO textures Many improvements for Scripti...
We were priviliged and excited to have the opportunity for a behind-the-scenes tour of wild bee colonies at Blenheim Palace led by Filipe Salbany, an internationally experienced bee expert who emit…
Public Health professor discusses how ultra-processed foods are a direct legacy of the tobacco industry, and are responsible for a dramatic rise in obesity, diabetes and other chronic diseases across the country.
Research team now examines impact of food competition and climate change
When a country parson first described black holes in 1783, the concept was so ahead of its time it was mostly ignored.
Metal oxide nanoparticles – commonly used as food coloring and anti-caking agents in commercial ingredients – may damage parts of the human intestine, say Cornell and Binghamton University scientists.
The Siderwin research project tested a new method of steelmaking that uses direct electrolysis of iron oxide in a pilot plant in France. The steelmaker ArcelorMittal now announced that it wants to commercialize the technology.
This content is currently in the process of being archived and integrated into the CERN Library collections.
Bioprosthetic ovaries produced mouse pups in otherwise infertile mice
