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+21 +1
Cornea made from pig collagen gives people who were blind 20/20 vision
Corneas made from pig collagen have restored sight for people who were previously legally blind or visually impaired. Two years after the operations, none of the recipients have reported serious complications or adverse side effects.
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+4 +1
Scientists hid encryption key for Wizard of Oz text in plastic molecules
Scientists from the University of Texas at Austin sent a letter to colleagues in Massachusetts with a secret message: an encryption key to unlock a text file of L. Frank Baum's classic novel The Wonderful Wizard of Oz. The twist: The encryption key was hidden in a special ink laced with polymers, They described their work in a recent paper published in the journal ACS Central Science.
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+16 +3
The Inventor of Ibuprofen Tested the Drug on His Own Hangover
In retrospect, perhaps toasting the success of a new medication he helped invent with several shots of vodka in Moscow was not a good idea. However, it was too late to go back. English research scientist Stewart Adams was faced with the consequences of his actions: a serious hangover.
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+25 +2
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. For decades, cuff-based devices that constrict around the arm to give a reading have been the gold standard. But now, researchers at The University of Texas at Austin and Texas A&M University have developed an electronic tattoo that can be worn comfortably on the wrist for hours and deliver continuous blood pressure measurements at an accuracy level exceeding nearly all available options on the market today.
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+9 +2
These robots were trained on AI. They became racist and sexist.
Researchers trained robots on artificial intelligence exhibited racist and sexist behavior, bringing concerns for the future of automation.
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+20 +2
Pterosaurs may have had brightly colored feathers on their heads
Pterosaurs not only had feathers, but also were flamboyantly colorful, scientists say. That could mean that feathers — and vibrant displays of mate-seeking plumage — may have originated as far back as the common ancestor of dinosaurs and pterosaurs, during the early Triassic Period around 250 million years ago.
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+4 +1
Earth-like planets in dead star 'cosmic graveyards' get stranger
The first world found orbiting a pulsar is rarer than previously believed, deepening the mystery of how planets survive around violent dead stars.
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+18 +1
Fastest known star speeds around Milky Way's black hole at 18 million mph
Astrophysicists have discovered the fastest known star which is racing around the black hole at the center of the Milky Way. The star, designated S4716, completes an orbit around the supermassive black hole Sagittarius A* (Sgr A*) in just around four years.
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+3 +1
Hubble Space Telescope catches dead star in the act of cosmic cannibalism
The Hubble Space Telescope has spotted evidence of a white dwarf star devouring rocky and icy material from its own system, suggesting that water and other volatiles might be common in the outer reaches of planetary systems.
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+21 +2
Ground zero for the Black Death finally found after 600 years
The medieval bubonic plague was first recorded in the 14th century.
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+13 +3
Researcher describes how extraterrestrial civilizations could colonize the galaxy even if they don't have starships
Astronomers have searched for extraterrestrial civilizations in planetary systems for sixty years, to no avail. In the paper published by International Journal of Astrobiology, Cambridge University Press, and titled "Migrating extraterrestrial civilizations and interstellar colonization: Implications for SETI and SETA...
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+13 +2
Humans may have evolved to show signs of stress to evoke support FROM OTHERS
Showing signs of stress could make us more likeable and prompt others to act more positively towards us, according to a new study by scientists at Nottingham Trent University and the University of Portsmouth.
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+21 +3
Neptune is cooling down and scientists don't know why
Two decades worth of observations revealed unexpected cooling of the solar system's most distant planet Neptune amid its astronomical summer. Neptune is orbiting 30 times farther away from the sun than Earth with one year lasting 165 Earth years. The ice giant's seasons, too, last much longer than those on Earth — more than 40 Earth-years each.
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+24 +6
Newly discovered enzyme helps reduce plastic waste to a simple molecule
Over the past five years or so we've seen some important breakthroughs demonstrating how enzymes can be used to break down common plastics, such as the PET used for everything from drink bottles to shampoo containers. In pursuit of a circular economy for plastic waste, scientists have now discovered a new enzyme that further breaks down one of the key plastic building blocks left behind by this process, leaving simple molecules that can be repurposed for use in new products.
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+23 +4
How the Sun Will Die
very day, when you wake up, the Sun is there to greet you and wish you a good morning. True, sometimes it’s hidden behind some meddling clouds, but you still know it’s there. It cares for you. Most people prefer the days when the Sun shines upon us without any atmospheric interferences. All people love the warmth and heat it provides. It makes life possible and it makes life worth living (imagine living in an ever-dark Blade Runner-Cyberpunk dystopia — depression would be very, very common). But, what the Sun gives it can also take away.
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+4 +1
How the Brain Reacts When Faced With Survival Risk
Microscopic roundworms may hold the key to understanding what is happening in the brain when the instinct of an animal changes in order to survive. In a newly published paper in the journal Current Biology University of Rochester Medical Center researchers found that a signaling system in the brain changes to redirect the behavior of an animal when their survival is at risk because there is not enough food.
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+14 +1
Neutron stars release warm winds as they devour companion stars
Neutron stars release powerful warm winds after chowing down on their stellar companions, new research shows. Neutron stars are the remains of more massive stars that reached the end of their lives and exploded in violent supernovas, leaving behind a dense core that continues to collapse in on itself. These stellar corpses are the densest known objects in the universe, aside from black holes, which form when even larger stars die.
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+23 +6
Everything You See Is From 15 Seconds in the Past, New Research Claims
Open the camera app on your phone and start recording a video. Place the screen right in front of your eyes and try to use the live footage as a viewfinder. Tricky, right? The shapes, colors, and motion in the video are jarring. Scientists say this exercise is a close approximation of the messy visual data that our eyes constantly bombard our brain with. So how exactly do we see without feeling dizzy or nauseated?
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+13 +2
What happened before the Big Bang?
In the beginning, there was an infinitely dense, tiny ball of matter. Then, it all went bang, giving rise to the atoms, molecules, stars and galaxies we see today. Or at least, that's what we've been told by physicists for the past several decades.
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+11 +4
Amateur sleuths help solve 160-year mystery by decoding Charles Dickens letter
Last October, a collaboration called The Dickens Code project made a public appeal to amateur puzzle fans and codebreakers for assistance in decoding a letter written by Victorian novelist Charles Dickens in a tortuously idiosyncratic style of shorthand. The crowd-sourced effort helped scholars piece together about three-quarters of the transcript. Shane Baggs, a computer technical support specialist from San Jose, California, won the overall contest, while a college student at the University of Virginia named Ken Cox was declared the runner-up.
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