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Can the knees go over the toes? (2016)
Just last week, I was guest lecturing to a class of physical therapy students at the University of Missouri. I asked a simple question, “How many people here think we should never have our knees go…
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The latest blog posts to take off on Hacker News. 2,419 posts.
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How do other animals see the world?
Take a look through the eyes of a dog, a spider and three other creatures.
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We found no evidence that Bionic Reading has a positive effect on reading speed
Actually no, the results will probably not surprise you.
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Why rails buckle in Britain
Why don’t rails get hot in Europe? The truth is they do.
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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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Physicists discover a “family” of robust, superconducting graphene structures
MIT physicsts identified new multilayered configurations of graphene that can be twisted and stacked to elicit robust superconductivity at low temperatures. The study establishes these configurations as the first known “family” of multilayer magic-angle superconductors.
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Once seen as fleeting, a new solar tech proves its lasting power
Princeton Engineering researchers have developed the first perovskite solar cell with a 30-year lifespan. The new device is the first of its kind to rival the performance of silicon-based solar cells. A pioneering new test method will help industry develop consumer-friendly products.
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Microrobots can brush and floss teeth in a proof-of-concept study
In a proof-of-concept study, researchers from the School of Dental Medicine and School of Engineering and Applied Science shows that a hands-free system could effectively automate the treatment and removal of tooth-decay-causing bacteria and dental plaque.
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Large Hadron Collider discovers three new exotic particles
The collaboration has observed a new kind of “pentaquark” and the first-ever pair of “tetraquarks”
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New study shows highly creative people’s brains work differently from others'
A new study led by UCLA Health scientists shows highly creative people’s brains appear to work differently from others;, with an atypical approach that makes distant connections more quickly by bypassing the “hubs” seen in non-creative brains.
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Artificial photosynthesis can produce food without sunshine
Scientists are developing artificial photosynthesis to help make food production more energy-efficient here on Earth, and one day possibly on Mars
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MIT engineers fly first-ever plane with no moving parts (2018)
MIT engineers have flown the first silent, fuel-free “ion plane.” The light aircraft is the first plane to fly with no propellers, turbine blades, or other moving parts.
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Humans can't endure temperatures and humidities as high as previously thought
Penn State researchers found that the maximum wet-bulb temperature humans can endure is lower than previously thought — about 31°C wet-bulb or 87°F at 100% humidity — even for young, healthy subjects. The temperature for older populations, who are more vulnerable to heat, is likely even lower.
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Mouse Heaven or Mouse Hell?
Explore how biologist John Calhoun's controversial mouse experiments sparked debates about overpopulation, urban life, and human society's future.
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Wearable Muscles
Researchers at ETH Zurich have developed a wearable textile exomuscle that serves as an extra layer of muscles. They aim to use it to increase the upper body strength and endurance of people with restricted mobility.
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Blood pressure e-tattoo promises continuous, mobile monitoring
Blood pressure is one of the most important indicators of heart health, but it's tough to frequently and reliably measure outside of a clinical setting.
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Link found between immune system and hair growth
Founded by polio vaccine developer Jonas Salk, the Salk Institute is an independent, nonprofit organization. We drive foundational, risk-taking research that addresses society’s most pressing challenges, including cancer, Alzheimer’s, and agricultural resilience.
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‘Anti-hunger’ molecule forms after exercise, scientists discover
Stanford Medicine researchers and their collaborators have identified a molecule that staves off hunger post-exercise.
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Probiotics can support the effect of antidepressants
Intestinal flora plays an important role in health – including mental health. Researchers from the University of Basel and the University Psychiatric Clinics Basel (UPK) have shown that probiotics can support the effect of antidepressants and help to alleviate depression.
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Gaia sees strange stars in most detailed Milky Way survey to date
Today, ESA’s Gaia mission releases its new treasure trove of data about our home galaxy. Astronomers describe strange ‘starquakes’, stellar DNA, asymmetric motions and other fascinating insights in this most detailed Milky Way survey to date.
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ACM Makes Thousands of Research Articles Freely Available; Opens First 50 Years
World’s Largest Computing Society Makes Thousands of Research Articles Freely Available; Opens First 50 Years Backfile
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New CRISPR-based map ties every human gene to its function
A new CRISPR-based map ties every human gene to its function using a tool called Perturb-seq. The work was led by Jonathan Weissman and colleagues at MIT and the Whitehead Institute, and is free for other scientists to use.