March 2, 2013
Mohenjo
Science
amazon, biology, brain cells, Brain Cells Life Span, Brain Life Span, Brain Science, business, Dr. Lorenzo Magrassi, gaming, Hotels, huffingtonpost, Human Life Span, Immortality, Italy, journal proceedings, journal Proceedings Natl Academy of Sciences, mouse brain, Mouse Brain Cells, Mouse Neurons, national academy of sciences, Neurons, neurosurgeon, proceedings of the national academy of sciences, rat brain, research, Science, Science News, technology, Technology News, travel, University of Pavia, vacation, Video, Weird Science
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Brain cells can live at least twice as long as the organisms in which they reside, according to new research.
The study, published today (Feb. 25) in the journal Proceedings of the National Academy of Sciences, found that mouse neurons, or brain cells, implanted into rats can survive with the rats into old age, twice as long as the life span of the original mice.
The findings are good news for life extension enthusiasts.
“We are slowly but continuously prolonging the life of humans,” said study co-author Dr. Lorenzo Magrassi, a neurosurgeon at the University of Pavia in Italy.
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Mouse neurons implanted into a rat brain can live twice as long as the mice from which they were taken, new research suggests.
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March 2, 2013
Mohenjo
Science
Alternative Fuel, amazon, aviation, Barack Obama, Biochemistry, Biofuel, biology, business, Cara Santa Maria, chemistry, climate, Directed Evolution, Dna, energy, engineer proteins, Environment, evolution, Frances Arnold, Future, Gas & Oil, Hotels, huffingtonpost, Isobutanol, Microorganisms, polluted planet, research, revolutionary production, Science, Science News, Slideshow, Talk Nerdy To Me, technology, Technology News, transportation, travel, vacation, Video, Yeast
FROM
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“Directed evolution” may save our polluted planet. At least, chemical engineer Dr. Frances Arnold sees it that way.
The recent National Medal of Technology and Innovation recipient is credited with pioneering the technique of directed evolution, a method used to engineer proteins or evolve certain organisms, leading to the revolutionary production of renewable fuels and chemicals, among other results.
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February 25, 2013
Mohenjo
Science
amazon, animals, aviation, Bones, Brontomerus, business, climate, Dinosaur Bones, Dinosaur Fossils, Dinosaur Necks, Dinosaurs, evolution, Fossils, gaming, giraffe, Hotels, huffingtonpost, long-necked long-tailed dinosaurs, nature, Paleontology, research, Sauropod Necks, Sauropods, Science, Science News, technology, Technology News, travel, vacation, Video, videogames
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How did the largest of all dinosaurs evolve necks longer than any other creature that has ever lived? One secret: mostly hollow neck bones, researchers say.
The largest creatures to ever walk the Earth were the long-necked, long-tailed dinosaurs known as the sauropods. These vegetarians had by far the longest necks of any known animal. The dinosaurs’ necks reached up to 50 feet (15 meters) in length, six times longer than that of the current world-record holder, the giraffe, and at least five times longer than those of any other animal that has lived on land.
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February 25, 2013
Mohenjo
Science
amazon, biology, business, Dan Mayer, dangerous stunt, entertainment, fields of science, gaming, Hotels, huffingtonpost, medicine, research, Science, Science News, sword swallower, Sword Swallower's Day, sword swallowers, Sword Swallowers Association International, Sword Swallowing, technology, Technology News, travel, vacation, Video, Weird Science, world sword, World Sword Swallower's Day, X-Rays
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Sticking a blade down your throat might not be the safest thing to do, that’s for sure. But as the world marked the seventh annual World Sword Swallower’s Day on Saturday, Feb. 23, one high-profile practitioner of the ancient performance art took pains to point out that sword swallowing was more than a dangerous stunt.
“Most people don’t realize the contributions sword swallowers have made to the fields of science and medicine over the past 150 years,” Dan Mayer, president of Sword Swallowers Association International, said in a statement posted on the group’s website.
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February 25, 2013
Mohenjo
Science
amazon, aspects of weather behave chaotically, business, climate, Daily Discovery, Earth, gaming, gravity, gravity wave, Gravity Waves, Hotels, huffingtonpost, linear manner, nonlinear manner, nonlinearity, Physics, research, Science, Science News, Star Shaped Gravity Waves, technology, Technology News, travel, vacation, Video, videogames, weather, Weird Science
FROM
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Star-shaped waves can form in vibrating tanks of liquid oil, researchers say.
Learning more about such bizarre waves could shed light on counterparts that may exist elsewhere in nature, researchers added.
Waves of all kinds often behave in an intuitively linear manner. For instance, a weight on a spring will bob up and down in a manner directly proportional to the force that the weight exerts on the spring.
However, a number of strange waves can also form. They come from what is called nonlinearity, in which a small or simple change results in a disproportionately large or complex effect. For instance, aspects of weather behave chaotically, in a nonlinear manner.
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Researchers have discovered a new type of gravity wave, one that is shaped like a star. Such bizarre waves result from a property called nonlinearity, in which a small or simple change results in a disproportionately large or complex effect. For instance, aspects of weather behave chaotically, in a nonlinear manner.
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February 20, 2013
Mohenjo
Science
Aaas, Artificial Hand, Bioengineering, biology, Bionic Hand, clinical solutions, ecole polytechnique federale, Environment, Fake Hand, Hand Prosthesis, ImpactX, Neural Prostheis, Prosthetic Hand, Science, Science News, sensory feedback, silvestro, Video, Weird Science
FROM
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In what some are calling a bionic hand breakthrough, scientists in Switzerland reported the development of a “smart” artificial hand that lets amputees feel what they’re touching or holding.
The experimental prosthesis connects directly to an amputee’s nervous system, providing realistic sensory feedback — giving amputees “dexterity and the sensation of touch,” according to a written statement.
“We could be on the cusp of providing new and more effective clinical solutions to amputees in the next years,” lead researcher Dr. Silvestro Micera, head of the Translational Neural Engineering Laboratory at the Ecole Polytechnique Federale in Lausanne, said in the statement.
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In what some are calling a bionic hand breakthrough, scientists in Switzerland reported the development of a “smart” artificial hand that lets amputees feel what they’re touching or holding.
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http://www.huffingtonpost.com/2013/02/19/new-bionic-hand-prosthesis-nerves-amputees-dexterity_n_2713720.html?ref=topbar
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February 20, 2013
Mohenjo
Science
amazon, climate, Curiosity Soil, current-events, Hawaii Soil, Hotels, huffingtonpost, Mars Hawaii, Mars Rover, Mars Rover Curiosity, Mars Soil, Mars Soil Hawaii, Mars Volcano, martian soil, mauna kea, mauna kea volcano, mission scientists, nasa jpl, research, Science, Science News, technology, travel, vacation, Video, Volcanic Soil
FROM
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Scientists say the Martian soil at the rover Curiosity’s landing site contains minerals similar to what’s found on Hawaii’s Mauna Kea volcano.
The finding released Tuesday is the latest step in trying to better understand whether the environment could have been hospitable to microbial life.
Curiosity recently ingested its first soil sample and used one of its instruments to tease out the minerals present. An analysis revealed it contained feldspar and olivine, minerals typically associated with volcanic eruptions. Mission scientists say the Martian soil is similar to volcanic soil on the flanks of Mauna Kea.
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This handout photo provided by NASA/JPL-Caltech/MSSS, taken Oct. 15, 2012, shows part of the small pit or bite created when NASA’s Mars rover Curiosity collected its second scoop of Martian soil at a sandy patch called “Rocknest.” The bright particle near the center of this image, and similar ones elsewhere in the pit, prompted concern because a small, light-toned shred of debris from the spacecraft had been observed previously nearby. However, the mission’s science team assessed the bright part
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February 20, 2013
Mohenjo
Science
3d printing, amazon, America using the 3D printing technology, aviation, business, current-events, Future, gaint freaking robot, gaming, Hotels, Mars, printing technology, research, Science, Science News, Space, Space Exploration, technology, transportation, travel, traveling to the moon, vacation, videogames
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3D printing could become one the biggest innovations during the next decade. Imagine every home in America using the 3D printing technology whenever something breaks or is needed in the household. Space exploration could benefit from the technology to cut costs and weight when traveling to the Moon or Mars. Instead of bringing a tool or instrument to Mars, why not simply print it out once you get there?
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http://www.giantfreakinrobot.com/category/sci
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February 15, 2013
Mohenjo
Science
amazon, business, chemistry, climate, dawn of life, Dna, dna strand, evolution, Evolution Of Life, gaming, Genes RNA World, Hotels, huffingtonpost, Human Body, Journal Of The American Chemical Society, Organic Molecules, Origin Of Life, research, RNA Life, RNA-like molecules, rnas, Science, Science News, Self-Assembling Molecules, spain report, technology, travel, vacation, Video
FROM
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A pair of RNA-like molecules can spontaneously assemble into gene-length chains, chemists in the United States and Spain report. Billions of years ago, related molecules may have created a rudimentary form of genetic information that eventually led to the evolution of RNA and life itself, the researchers say. Although it’s likely to be difficult, if not impossible, to prove whether similar proto-RNAs were present at the dawn of life, the researchers are working to see if the proto-RNAs can indeed faithfully encode information and evolve toward RNA.
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Researchers have thought that RNA, the molecular cousin of the DNA that encodes our genes, may have played a role in the initial evolution of life. Shown here is an image of a DNA strand.
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February 15, 2013
Mohenjo
Science
amazon, Astronomers, Astronomy, climate, companion star, Forecast Star Death, giant explosions, Hotels, huffingtonpost, million light years, NASA, NASA's Swift mission, palomar observatory, research, Science, Science News, Space, Star Death, Stars, stellar explosions, Supernova Death, Supernova Explosion, Supernova Forecast, Supernovas, technology, Telescope, travel, vacation, Video
FROM
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Forecasting when stars will die in giant explosions may one day be possible by looking for the warning outbursts they release beforehand, researchers say.
Supernovas are the most powerful stellar explosions in the universe, visible all the way to the edge of the cosmos. These stars detonate for two known reasons: either from gorging on too much mass stolen from a companion star or by running out of fuel and abruptly collapsing.
Astronomers have suggested that stars can give off smaller explosions just before they go supernova. To find out more about supernovas, researchers used three telescopes — the Palomar Observatory, the Very Large Array and NASA’s Swift mission — to investigate a star 500 million light-years away.
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The image shows a simulation of a collision between two shells of matter ejected by a massive star in two subsequent pulsational pair-instability supernova eruptions, only years apart, just before the star dies. Image released Feb. 7, 2013.
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