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6,175 articles mezi dny 1.8.2010 a 31.8.2010
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TUESDAY 31. AUGUST, 2010
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23:50
ScienceShot: Gabby Pandas Are Manly Pandas
Males who bleat longer have higher levels of testosterone -
23:28
The Newfound Fatigue Fighter: Hunger (LiveScience.com)
LiveScience.com - Pulling a late-nighter? You might not want to reach for the sugary snacks to keep you awake. A new study involving fruit flies suggests the sleep-deprived mind is kept alert by hunger. -
23:17
Bell, Telus must rebate phone customers: CRTC
Phone companies must refund $310 million to customers overcharged between 2002 and 2006, and will spend $421 million to provide high-speed internet service in remote areas, the federal regulator orders. -
23:05
A Warming Contrarian Calls for a Global Tax
Bjorn Lomborg's latest book is unlikely to bolster his popularity among those opposed to drastic immediate action to curb greenhouse gas emissions.
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23:03HealthDay - TUESDAY, Aug. 31 (HealthDay News) -- Exercise can reduce a person's genetic predisposition to obesity by 40 percent, finds a new English study.
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23:00SPACE.com - A NASA satellite that spent seven years studying Earth's polar regions ended its successful mission Monday by plunging back to Earth on purpose to burn up in the atmosphere.
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23:00
Blog - How Coders Can Help Fight Climate Change
Climate models are built by scientists, not software engineers.
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22:53
Are the Oceans Getting Saltier?
Measuring ocean salinity is a bout a lot more than salt; changes in salinity can help us understand how Earth's climate is changing. -
22:52
Nasa booster rocket passes test
One of the giant booster rockets intended to power the first stage of flight on Nasa's next rocket has been tested in the US. -
22:44AP - Brazil's government says deforestation in the Amazon is falling significantly and could be the lowest ever when yearly numbers are completed.
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22:23
Analysis sees higher death rate for very low-birth-weight infants born at less-specialized hospitals
An analysis of data from previously published studies indicates that very low-birth-weight and very preterm infants not born in highly specialized, level III hospitals have an associated higher likelihood of neonatal and predischarge death compared to similar infants born at level III hospitals, according to an article in the September 1 issue of JAMA. -
22:23While preterm birth is a known risk factor for cerebral palsy, an examination of data for infants born at term or later finds that compared with delivery at 40 weeks, birth at 37 or 38 weeks or at 42 weeks or later was associated with an increased risk of cerebral palsy, according to a study in the September 1 issue of JAMA.
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22:23Canon Inc. announced today that it has developed the world's largest CMOS image sensor, with a chip size measuring 202 x 205 mm. Because its expanded size enables greater light-gathering capability, the sensor is capable of capturing images in one one-hundredth the amount of light required by a professional-model digital SLR camera.
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22:23The DASH eating plan, known to reduce blood pressure and bad cholesterol, also reduces the 10-year risk of heart attack, especially among African-Americans, according to research reported in Circulation: Cardiovascular Quality and Outcomes, an American Heart Association journal.
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22:23Two new groundbreaking scientific papers by researchers at UC Santa Barbara demonstrate the synthesis of nanosize biological particles with the potential to fight cancer and other illnesses. The studies introduce new approaches that are considered "green" nanobiotechnology because they use no artificial compounds.
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22:23Seiko Epson today announced that it has developed and begun volume production of the world's first reflective high-temperature polysilicon (reflective HTPS) TFT liquid crystal panels for 3LCD projectors. The new panels, which measure 0.74 inches on the diagonal, support full high-definition (1920 x 1080 pixels) content.
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22:23It may seem like birds have the freedom to fly wherever they like, but researchers at the University of Missouri have shown that what's on the ground has a great effect on where a bird flies. This information could be used by foresters and urban planners to improve bird habitats that would help maintain strong bird populations.
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22:23Powerful Hurricane Earl, growing Tropical Storm Fiona and fading Danielle were all captured in today's visible image from the GOES-13 satellite. The Geostationary Operational Environmental Satellite called GOES-13 captured an image of the busy Atlantic Ocean at 1145 UTC (7:45 a.m. EDT) on August 31. In the visible image, was the large and powerful Hurricane Earl passing Puerto Rico, Tropical Storm Fiona located to Earl's east, and Danielle far in the Northern Atlantic. Hurricane Earl's eye appear to be covered with high-clouds in the GOES-13 image, while Fiona appeared somewhat disorganized with no apparent center. Farther north in the North Atlantic Ocean, Danielle appeared more "U" shaped on the satellite imagery, although her maximum sustained winds were still near 70 mph at that time.
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22:23Girls eating a high-fat diet during puberty, even those who do not become overweight or obese, may be at a greater risk of developing breast cancer later in life, according to Michigan State University researchers.
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22:23An intervention that targeted modifiable stressors in the home of patients with dementia resulted in better outcomes for the patients and their caregivers at 4 months, but not at 9 months, although the caregivers perceived greater benefits, according to a study in the September 1 issue of JAMA.
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22:23Personal listening devices like iPods have become increasingly popular among young - and not-so-young - people in recent years. But music played through headphones too loud or too long might pose a significant risk to hearing, according to a 24-year study of adolescent girls.
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22:23The United States workforce, battered by an economic slowdown, now includes a record number of workers who are involuntarily working part-time due to reduced hours or the inability to find a full-time job.
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22:23NASA's Terra satellite flew over the Northwestern Pacific Ocean at 10:30 p.m. EDT Aug. 30 and captured Tropical Storm Lionrock, Tropical Storm Namtheun, and Typhoon Kompasu in one incredible image. Two of these tropical cyclones are expected to merge, while the other is headed for a landfall in China.
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22:23Like most technologies, work on solar devices has proceeded in generational waves. First came bulk silicon-based solar cells built with techniques that borrowed heavily from those used to make computer chips. Next came work on thin films of materials specifically tailored to harvest the sun's energy, but still more or less borrowed from the realm of microelectronics manufacturing. Then came the third generation, described by one researcher and blogger as "the wild west," which among other objectives aims to build inexpensive next-generation solar cells by relying on decidedly low-tech wet chemistry.
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22:23Transform faults subdivide the mid-ocean ridge into segments. Up until now, it was thought that these faults were ruptures that formed in less stable crust areas. Taras Gerya has recorded a model of the dynamics that lead to the transform faults, which shows that what were assumed to be ruptures are in fact structures that have grown naturally.
Naposledy aktualizované zdroje
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Guardian Unlimited Science (dnes, 18:30)
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ScienceDaily (dnes, 15:53)
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EurekAlert (dnes, 06:00)
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National Geographic News (10. 2, 23:43)
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Sci-Tech Today (10. 2, 23:15)
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NASA (10. 2, 15:57)
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TIME (10. 2, 11:10)
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