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Knots smaller than human hair make materials unusually tough
A micro-architected material made from tiny knots proves tougher and more durable than unknotted counterparts.
Topics /
Science & Space
The most popular blog posts about science & space on Hacker News. 280 posts.
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Excess weight, obesity more deadly than previously believed
New CU Boulder research finds that overweight populations have a 22% higher mortality risk than those of healthy weight, while obese populations have as much as
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AI predicts certain esophageal and stomach cancers three years before diagnosis
AI can predict certain forms of esophageal and stomach cancer Michigan Medicine study says.
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Discovery could extend battery life by replacing tape that causes self‑discharge
Thanks to a discovery in a Dal lab, manufacturers of laptops and other tech devices now have an explanation for why the batteries that power their gadgets tend to lose some of their charge over time and a path forward to fixing the problem..
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Admiral Rickover's 'Paper Reactor' Memo (1953)
Rickover's famous speech about the distinction between academic (paper) reactors and practical reactors.
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T cells can activate themselves to fight tumors
UC San Diego scientists find an auto-signaling mechanism driving the T cell anti-tumor response; findings may inspire new cancer therapeutics and biomarkers.
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Ancient Carthaginians did sacrifice their children (2014)
Shocking new research confirms the ancient Carthaginians ritually sacrificed children as offerings to the gods, overturning decades of denial. Uncover the dark secrets of this long-forgotten civilisation.
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Chemotherapy drug reaches brain tumors using novel ultrasound technology
Northwestern Medicine scientists report results of the first in-human clinical trial in which they used a novel, skull-implantable ultrasound device to open the blood-brain barrier and repeatedly permeate large, critical regions of the human brain to deliver chemotherapy that was injected intravenously.
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A new quantum algorithm for classical mechanics with an exponential speedup
Posted by Robin Kothari and Rolando Somma, Research Scientists, Google Research, Quantum AI Team Quantum computers promise to solve some problems e...
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How to Grow a Three Sisters Garden (2016)
By Melissa Kruse-Peeples For many Native American communities, three seeds - corn, beans, and squash represent the most important crops. When planted together, the Three Sisters, work together to help one another thrive and survive. Utilizing corn, beans, and squash together in your garden draws upon centuries of…
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Inverted perovskite solar cell breaks 25% efficiency record
Northwestern University researchers have raised the standards again for perovskite solar cells with a new development that helped the emerging technology hit new records for efficiency.
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Arxiv.org is experiencing a DDoS attack
arXiv users may be experiencing email disruption due to a DDOS attack. Over the past few days, a small number of users issued over a million email change…
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Public exposure to BPA exceeds acceptable health safety levels
Population exposure to the synthetic chemical Bisphenol A (BPA), which is used in everything from plastic and metal food containers to reusable water bottles and drinking water pipes in Europe is well above acceptable health safety levels, according to updated research data. This poses a potential health risk to…
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Vinyl Chloride and the Ohio Train Derailment
The recent Ohio train derailment and subsequent fire that released vinyl chloride into the environment has been a terrifying experience for the nearby population. The accident rekindles memories of the 1979 train accident in Mississauga, Ontario, when over 200,000 people had to be evacuated after a wheel bearing…
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This is what the year actually looks like (2018)
A few weeks back, I asked the Norwegian public what the year looks like inside their heads. It led to a deluge of responses. Here's a summary of more than 75 000 month placements, and nearly 40 000 questionnaire responses.
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Flipping the model presents a new way to treat sleep apnoea
New research that flips an existing therapy model will introduce a whole new way of treating sleep apnoea. Professor Danny Eckert, Director at the Adelaide Institute […]
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More green spaces linked to slower biological aging
More green spaces were associated with slower biological aging, reports a new Northwestern Medicine study. People who lived near more green spaces were biologically 2.5 years younger, on average, than those who live near less greenness.
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Comb jellies proven to be the sibling group to all other animals
New research proves comb jellies are a unique lineage or “sibling group” whose ancestors diverged before the common ancestor of all other animals.
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Physicists produce neutrino images of Milky Way galaxy
Physics researchers from Drexel University at the IceCube Neutrino Observatory led the production of the unique neutrino-based image of the Milky Way Galaxy using particles of matter instead of the usual electromagnetic energy.
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Explosions are great, actually
The history of spaceflight is the story of weirdos, explosions, and stacked odds.
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Bacteria generate electricity from wastewater
In a breakthrough for the field of bioelectronics, researchers at EPFL have enhanced the ability of E. coli bacteria to generate electricity. The innovative approach offers a sustainable solution for organic waste processing while outperforming previous state-of-the-art technologies, opening new horizons for versatile…
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Retinal cells that help stabilize our world view
Will enable researchers to better understand eye movement disorders that cause significant visual impairment.
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