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Science & Space
The most popular blog posts about science & space on Hacker News. 2,419 posts.
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LHC experiments see first evidence of a rare Higgs boson decay
The discovery of the Higgs boson at CERN’s Large Hadron Collider (LHC) in 2012 marked a significant milestone in particle physics. Since then, the ATLAS and CMS collaborations have been diligently investigating the properties of this unique particle and searching to establish the different ways in which it is produced…
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The brain navigates new spaces by 'darting' between reality and mental maps
A new Yale study reveals the brain's internal map doesn't just track one’s current location, it constantly "flickers" between the present space and remembered
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Saliva-based Covid-19 test approved by FDA
The YSPH-developed test, called SalivaDirect, has been used as part of an NBA testing program and will now be available to more diagnostic laboratories.
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Brain tunes itself to criticality, maximizing information processing
New research from Washington University in St. Louis confirms that the brain tunes itself to a point where it is as excitable as it can be without tipping into disorder, similar to a phase transition. The new research from Keith Hengen, assistant professor of biology in Arts & Sciences, is published Oct. 7 in the…
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ESA’s new Ariane 6 rocket passed a major full-scale rehearsal
For this rehearsal, the boosters were not ignited so Ariane 6 stayed firmly on the launch pad at Europe’s Spaceport in French Guiana, as planned.
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2,050-year-old Roman tomb offers insights on ancient concrete resilience
The unique mineral composition of the 2,050-year-old Roman tomb of Caecilia Metella could point the way toward more resilient and sustainable modern concrete structures.
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How cancer cells fuel their growth
Scientists report that amino acids, not sugar, supply most building blocks for cancerous tumor cells. The findings offer a new way to look at cancer cell metabolism, a field that may yield new treatments.
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Mathematician-M.D. claims to have solved the 110-year-old Lindelöf hypothesis
A completely new approach suggests the validity of the 110-year-old Lindelöf hypothesis, opening up the possibilities of new discoveries in quantum computing, number theory and cybersecurity
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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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Danish Study: No link between vaccines and autism or other health conditions
A new Danish study finds no association between aluminum in childhood vaccines and 50 different health conditions, including autism, asthma, and autoimmune diseases. The findings reaffirm the safety of Denmark’s childhood vaccination program.
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Study: Time-Restricted Eating Improves Cardiovascular Health for Firefighters
In a recent collaborative effort, physicians with UC San Diego Health and scientists at the Salk Institute reported a form of intermittent fasting, called time-restricted eating, improved the health of study participants who had been diagnosed with metabolic syndrome.
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A jacket that harvests drinking water from the air
The advance in fabric technology comes alongside a new benchmark for atmospheric water harvesting.
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An ultra-sensitive on-off switch helps axolotls regrow limbs
Stanford Medicine researchers discover an "on-off" switch that powers tissue regeneration in axolotls, a type of salamander.
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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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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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ICE/ISEE-3 to return to an Earth no longer capable of speaking to it
It's with great sadness that I report that the Goddard Space Flight Center team has determined that we will not be able to regain control of the venerable…
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When There’s an Audience, People’s Performance Improves
Follow the Johns Hopkins Medicine newsroom for the latest updates in medicine, scientific discovery, and next generation medical education, expert sources, and media contact information.
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MINERVA-II1: Successful image capture, landing on Ryugu and hop
MINERVA-II1: Successful image capture, landing on Ryugu and hop!
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There are now more people over sixty-four than children younger than five
What is the age profile of populations around the world? How did it change and what will the age structure of populations look like in the future?
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Corn Cobs: Fuel of Nightmares
Earlier this year, in the bitter cold of Kansas winter, we began field testing our first scaled pyrolyzer, designed to process 10 tons of biomass per day. The pyrolyzer processed California wheat straw just fine. But now in Kansas, corn stover turned out to be a bit different. The bales not only had leaves and stalks…
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