Evolution has weeded out genetic variants associated with diseases for millennia and propagated variants that protect against ailments, a comparative genetics study shows. But in the last 500 to 1,000 …read more Source:: Science
Month: August 2017
Self-powered paper-based ‘SPEDs’ may lead to new medical-diagnostic tools
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•A new medical-diagnostic device made out of paper detects biomarkers and identifies diseases by performing electrochemical analyses — powered only by the user’s touch — and reads out the color-coded …read more Source:: Science
Ancient Earth’s hot interior created ‘graveyard’ of continental slabs
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•Plate tectonics has shaped the Earth’s surface for billions of years: Continents and oceanic crust have pushed and pulled on each other, continually rearranging the planet’s façade. As two massive …read more Source:: Science
Designing custom robots in a matter of minutes
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•Researchers have created a system called ‘Interactive Robogami’ that lets you design a robot in minutes, and then 3-D-print and assemble it in as little as four hours. …read more Source:: Science
Cyborg bacteria outperform plants when turning sunlight into useful compounds
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•Photosynthesis provides energy for the vast majority of life on Earth. But chlorophyll, the green pigment that plants use to harvest sunlight, is relatively inefficient. To enable humans to capture …read more Source:: Science
Gut microbes may talk to the brain through cortisol
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•Gut microbes have been in the news lately. Recent studies show they can influence human health, behavior, and certain neurological disorders, such as autism. But just how do they communicate …read more Source:: Science
Mechanisms explaining positional diversity of the hindlimb in tetrapod evolution
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•Elucidating how body parts in their earliest recognizable form are assembled in tetrapods during development is essential for understanding the nature of morphological evolution. Researchers found in eight tetrapod species …read more Source:: Science
Artificial neural networks decode brain activity during performed and imagined movements
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•Filtering information for search engines, acting as an opponent during a board game or recognizing images: Artificial intelligence has far outpaced human intelligence in certain tasks. Researchers are showing how …read more Source:: Science
Archaeologists uncover ancient trading network in Vietnam
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•A team of archaeologists has uncovered a vast trading network which operated in Vietnam from around 4,500 years ago up until around 3,000 years ago. …read more Source:: Science
Climate change and habitat conversion combine to homogenize nature
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•Climate change and habitat conversion to agriculture are working together to homogenize nature. In other words, the more things change, the more they are the same. …read more Source:: Science