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41 articles from SATURDAY 30.6.2012
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SATURDAY 30. JUNE, 2012
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Lizards, just like cats, have a knack for turning right side up and landing on their feet when they fall. But how do they do it? Unlike cats, which twist and bend their torsos to turn upright, lizards swing their large tails one way to rotate their body the other, according to a recent study presented at the Society for Experimental Biology meeting on 29th June in Salzburg, Austria. A lizard-inspired robot, called 'RightingBot', replicates the feat.
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Plant scientists have imaged and analyzed, for the first time, how a potted plant's roots are arranged in the soil as the plant develops. In this study, to be presented at the Society for Experimental Biology meeting on 30th June, the team has also found that doubling plant pot size makes plants grow over 40% larger.
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Starting up sex again after the birth of a child can be a fraught issue for new parents. Now, a new study finds that much of what drives women's desire in the postpartum period are not physical factors, but psychological ones.
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Three astronauts living on the International Space Station will return home to Earth Sunday after spending more than six months in orbit.
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Scientists have reported the strongest sign yet that Saturn's giant moon Titan might have a salty ocean beneath its chilly surface.
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TRAVIS AIR FORCE BASE, Calif. — On Saturday (June 30), visitors to The Museum of Flight in Seattle will get an up-close look at a very unusual NASA aircraft. In fact, it’s not uncommon for air traffic controllers and even fellow pilots who spot the "Super Guppy" to ask a simple but telling question: “What are you?”
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(Phys.org) -- A supernova may have actually been the mysterious "Red Crucifix" in the sky that is cited in the Anglo Saxon Chronicles for the year 774. New correspondence between a university student and Nature carries interesting observations that astronomers could be looking at a previously unrecognized supernova. Historical texts like the Anglo-Saxon Chronicle have made reference to astronomical events before and a sighting in 774 told of a red crucifix in the sky in Britain during evening hours. Some say the sighting could have been what was the result of a supernova explosion.
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Earth is perfectly capable of concocting a toxic brew all on its own.
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Plant pots of any size prevent plants from reaching their full potential, under-soil images reveal.
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Tiny "bone-devouring worms," known to both eat and inhabit dead whale skeletons and other bones on the sea floor, have a unique ability to release bone-melting acid, scientists at Scripps Institution of Oceanography, University of California, San Diego have recently discovered.
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A new study indicates that mass extinctions affect the pace of evolution, not just in the immediate aftermath of catastrophe, but for millions of years to follow. The study's authors, University of Chicago's Andrew Z. Krug and David Jablonski, will publish their findings in the August issue of the journal Geology.
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Severe sleep loss jolts the immune system into action, reflecting the same type of immediate response shown during exposure to stress, a new study reports. Researchers in the Netherlands and United Kingdom compared the white blood cell counts of 15 healthy young men under normal and severely sleep-deprived conditions. The greatest changes were seen in the white blood cells known as granulocytes, which showed a loss of day-night rhythmicity, along with increased numbers, particularly at night.
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Plant scientists have imaged and analyzed, for the first time, how a potted plant's roots are arranged in the soil as the plant develops. In this study, to be presented at the Society for Experimental Biology meeting on June 30, the team has also found that doubling plant pot size makes plants grow over 40 percent larger.
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Rapamycin, a compound first isolated from soil on Easter Island, enhanced learning and memory in a study of young, middle-aged and older mice. The findings are from the School of Medicine and Barshop Institute at The University of Texas Health Science Center San Antonio.
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If the day seems a little longer than usual on Saturday, June 30, 2012, that's because it will be. An extra second, or "leap" second, will be added at midnight to account for the fact that it is taking Earth longer and longer to complete one full turn--a day--or, technically, a solar day.
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A new study implicates the protein EYA3 in Ewing's sarcoma chemoresistance. Checking level could help offer accurate prognosis and aid in treatment decisions, and could eventually provide a therapeutic target.
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Scientists have discovered that honey bees may teach us about basic connections between taste perception and metabolic disorders in humans. By experimenting with honey bee genetics, researchers have identified connections between sugar sensitivity, diabetic physiology and carbohydrate metabolism. Bees and humans may partially share these connections.
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Scientists demonstrated for the first time that the GPS signals of an unmanned aerial vehicle (UAV), or drone, can be commandeered by an outside source -- a discovery that could factor heavily into the implementation of a new federal mandate to allow thousands of civilian drones into the US airspace by 2015.
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A new study reveals that moderate amounts of alcohol -- consumed in a social setting -- can enhance positive emotions and social bonding and relieve negative emotions among those drinking.
Naposledy aktualizované zdroje
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CBC - Technology & Science News (dnes, 08:02)
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Technology Review Feed - Tech Review Top Stories (dnes, 06:58)
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EurekAlert (dnes, 06:00)
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BBC Science/Nature (dnes, 03:43)
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Sci-Tech Today (dnes, 03:41)
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Guardian Unlimited Science (dnes, 02:33)
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PhysOrg (dnes, 02:24)
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ScienceDaily (dnes, 01:52)
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Yahoo! (dnes, 01:03)
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ScienceNOW (dnes, 00:24)
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National Geographic News (19. 6, 22:51)
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NYT > Science (19. 6, 19:11)
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NASA (19. 6, 04:11)
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Discovery (7. 3, 18:11)
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TIME (27. 7, 08:30)





