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Sunday, March 23, 2014
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ScienceDaily: Top News
ScienceDaily: Top News |
- Space sunflower may help snap pictures of planets
- NASA's Spitzer Telescope brings 360-degree view of galaxy to our fingertips
- NASA orbiter finds new gully channel on Mars
- Deep ocean current may slow due to climate change
- Permafrost thaw exacerbates climate change
- Better predictor of prostate cancer survival proposed by research
- Seal teeth offer glimpse into the environmental past of Russia's Lake Baikal
- Forests crucial to green growth
- Treat or Eat: Food insecurity linked to cost-related medication underuse in chronically ill Americans
- Lightweight construction materials of highest stability
- Making synthetic diamond crystals in plasma reactor
- Military dermatologists making strides in applying treatments for wounded warriors to injured civilians
- New and improved laser and light treatments take aim at cellulite, fat, tattoos, wrinkles and sagging skin
- Genetic clue to irritable bowel syndrome found
| Space sunflower may help snap pictures of planets Posted: 22 Mar 2014 06:49 AM PDT A spacecraft that looks like a giant sunflower might one day be used to acquire images of Earth-like rocky planets around nearby stars. The prototype deployable structure, called a starshade, is being developed by NASA's Jet Propulsion Laboratory in Pasadena, Calif.  |
| NASA's Spitzer Telescope brings 360-degree view of galaxy to our fingertips Posted: 22 Mar 2014 06:45 AM PDT Touring the Milky Way now is as easy as clicking a button with NASA's new zoomable, 360-degree mosaic. The star-studded panorama of our galaxy is constructed from more than 2 million infrared snapshots taken over the past 10 years by NASA's Spitzer Space Telescope.  |
| NASA orbiter finds new gully channel on Mars Posted: 22 Mar 2014 06:44 AM PDT A comparison of images taken by the High Resolution Imaging Science Experiment (HiRISE) camera on NASA's Mars Reconnaissance Orbiter in November 2010 and May 2013 reveal the formation of a new gully channel on a crater-wall slope in the southern highlands of Mars.  |
| Deep ocean current may slow due to climate change Posted: 21 Mar 2014 01:49 PM PDT Far beneath the surface of the ocean, deep currents act as conveyer belts, channeling heat, carbon, oxygen and nutrients around the globe. A new has found that recent climate change may be acting to slow down one of these conveyer belts, with potentially serious consequences for the future of the planet's climate.  |
| Permafrost thaw exacerbates climate change Posted: 21 Mar 2014 01:48 PM PDT Growing season gains do not offset carbon emissions from permafrost thaw, new research shows. Permafrost contains three to seven times the amount of carbon sequestered in tropical forests. The warming climate threatens to thaw permafrost, which will result in the release of carbon dioxide and methane into the atmosphere creating feedbacks to climate change -- more warming and greater permafrost thaw.  |
| Better predictor of prostate cancer survival proposed by research Posted: 21 Mar 2014 01:48 PM PDT Measuring circulating tumor cells -- the cells that spread cancer through the body -- may be a better predictor of patient survival than the prostate-specific antigen, new research indicates.  |
| Seal teeth offer glimpse into the environmental past of Russia's Lake Baikal Posted: 21 Mar 2014 01:46 PM PDT Scientists have found that the teeth of the nerpa seal may hold the strongest evidence of the effects of decades of environmental pollution, nuclear testing, and climate change on Russia's Lake Baikal. The nerpa, also known as the Baikal seal, is the only seal that lives exclusively in fresh water.  |
| Forests crucial to green growth Posted: 21 Mar 2014 07:17 AM PDT The value of forests and tree-based ecosystems extends far beyond carbon sequestration; they are the foundation of sustainable societies. A new report promotes REDD+ and the Green Economy as together providing a new pathway to sustainable development that can benefit all nations. It claims this approach can conserve and even boost the economic and social benefits forests provide to human society.  |
| Posted: 21 Mar 2014 06:52 AM PDT Chronically ill adults who reported food insecurity in their household (not having consistent access to food due to lack of financial stability) were significantly more likely to report cost-related medication underuse, according to a new study. The term cost-related medication underuse refers to taking less medication than prescribed or not taking it at all due to financial concerns.  |
| Lightweight construction materials of highest stability Posted: 21 Mar 2014 06:49 AM PDT Researchers have developed microstructured lightweight construction materials of highest stability. Although their density is below that of water, their stability relative to their weight exceeds that of massive materials, such as high-performance steel or aluminum. The lightweight construction materials are inspired by the framework structure of bones and the shell structure of the bees' honeycombs.  |
| Making synthetic diamond crystals in plasma reactor Posted: 21 Mar 2014 06:48 AM PDT Synthetic diamond crystals are of interest to many industrial sectors. Their unique properties make them a suitable material for numerous applications including lenses for high-energy laser optics, X-ray radiation detectors and ophthalmological scalpels. Scientists produce artificial diamonds in all shapes and sizes ranging from discs to three-dimensional shapes and even hollow spheres.  |
| Posted: 21 Mar 2014 06:47 AM PDT To aid in the function and appearance of battlefield scars, military dermatologists began experimenting with ablative fractional laser surgery – known to improve the appearance of acne scars. Results over the last seven years have been impressive, and dermatologists now are treating civilians injured from car accidents, fires and job and household accidents with this laser therapy to enhance scar and wound healing.  |
| Posted: 21 Mar 2014 06:47 AM PDT As more people look for ways to turn back the clock or improve their appearance, dermatologists are pioneering many of the newest aesthetic laser technologies – from tattoo removal to erasing fine lines and wrinkles to reducing fat or cellulite. Before considering any cosmetic procedure, dermatologists recommend that consumers do their homework to better understand the best technologies available for their specific needs.  |
| Genetic clue to irritable bowel syndrome found Posted: 20 Mar 2014 02:31 PM PDT Is irritable bowel syndrome (IBS) caused by genetics, diet, past trauma, anxiety? All are thought to play a role, but now, for the first time, researchers have reported a defined genetic defect that causes a subset of IBS. Researchers estimate that approximately 15 to 20 percent of the Western world has IBS. It is a common disorder that affects the large intestine. Most patients with the disorder commonly experience symptoms of cramping, abdominal pain, bloating gas, diarrhea and constipation.  |
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ScienceDaily: Top Science News
ScienceDaily: Top Science News |
| Deep ocean current may slow due to climate change Posted: 21 Mar 2014 01:49 PM PDT Far beneath the surface of the ocean, deep currents act as conveyer belts, channeling heat, carbon, oxygen and nutrients around the globe. A new has found that recent climate change may be acting to slow down one of these conveyer belts, with potentially serious consequences for the future of the planet's climate.  |
| Seal teeth offer glimpse into the environmental past of Russia's Lake Baikal Posted: 21 Mar 2014 01:46 PM PDT Scientists have found that the teeth of the nerpa seal may hold the strongest evidence of the effects of decades of environmental pollution, nuclear testing, and climate change on Russia's Lake Baikal. The nerpa, also known as the Baikal seal, is the only seal that lives exclusively in fresh water.  |
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ScienceDaily: Living Well News
ScienceDaily: Living Well News |
- Basketball: The physics of the 3-point shot
- New and improved laser and light treatments take aim at cellulite, fat, tattoos, wrinkles and sagging skin
- Physical activity, occasional drinking found to be associated with decrease in vision impairment risk
- Most parents, including those with allergic kids, don't favor bans on nuts in schools, U.S. poll finds
- Pregnancy associated with greater risk of certain bacterial infection; may worsen outcomes
- Harsh weather conditions increase cost of food
- Parents matter more than they think in how their children eat
| Basketball: The physics of the 3-point shot Posted: 21 Mar 2014 01:46 PM PDT What makes the perfect 3-pointer? Well, there is the angle the player takes on the 3-point line and the arc of the ball, which is the path the basketball flies from the time it leaves the shooter's hand until it arrives at the basket. What makes the perfect 3-pointer? Well, there is the angle the player takes on the 3-point line and the arc of the ball, which is the path the basketball flies from the time it leaves the shooter's hand until it arrives at the basket.  |
| Posted: 21 Mar 2014 06:47 AM PDT As more people look for ways to turn back the clock or improve their appearance, dermatologists are pioneering many of the newest aesthetic laser technologies – from tattoo removal to erasing fine lines and wrinkles to reducing fat or cellulite. Before considering any cosmetic procedure, dermatologists recommend that consumers do their homework to better understand the best technologies available for their specific needs.  |
| Posted: 19 Mar 2014 06:37 AM PDT A physically active lifestyle and occasional drinking is associated with a reduced risk of developing visual impairment, according to a study. While the study provides risk estimates of associations of lifestyle factors with the incidence of visual impairment, the researchers caution that a limitation to their study -- which is present in all epidemiologic research -- is that the findings may be due, in part, to unmeasured factors related to both lifestyle behaviors and development of visual impairment.  |
| Posted: 18 Mar 2014 03:58 PM PDT Most parents of kids with and without nut allergies don't support schoolwide bans on nut-containing products, according to a new national U.S. poll. Schools don't have a single standard for managing environments for nut-allergic children, and there is no clear research about which strategy is safest at lunch or snacktime, say researchers. "These results are reassuring because it demonstrates parents of unaffected children have empathy and understanding. That can go a long way towards calming anxiety about sending a food-allergic child to school," they say.  |
| Pregnancy associated with greater risk of certain bacterial infection; may worsen outcomes Posted: 18 Mar 2014 01:29 PM PDT In a surveillance study of infection with the bacterium Haemophilus influenzae among women of reproductive age in England and Wales from 2009-2012, pregnancy was associated with a greater risk of this infection, which was associated with poor pregnancy outcomes such as premature birth and stillbirth.  |
| Harsh weather conditions increase cost of food Posted: 18 Mar 2014 12:47 PM PDT Several items at the grocery store will cost more this year, including beef, pork, vegetables and nuts. Most of the increase in price is because of extreme drought facing several states. "Most people recognize weather has a big hand in food production," the author said. "What they might not recognize is the actual location of food production around the country and therefore how weather across the country impacts the food prices they see."  |
| Parents matter more than they think in how their children eat Posted: 18 Mar 2014 09:47 AM PDT Parents influence how much children eat more than they may think, a study shows. The researchers suggest that paying attention to the portions offered to children and for parents to ensure that they offer child-sized portions of healthy foods. Prompting children to eat according to their feelings of hunger and fullness, rather than parents deciding how much is enough, also is an important step towards promoting healthy eating and growth.  |
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ScienceDaily: Most Popular News
ScienceDaily: Most Popular News |
- Wind farms can provide society a surplus of reliable clean energy
- New approach makes cancer cells explode
- Moon of Saturn: Surface of Titan sea is mirror smooth
- Eyes are windows to the soul -- and evolution
- Bees capable of learning feats with tasty prize in sight
- New heart failure symptom: Shortness of breath while bending over
- Climatologists offer explanation for widening of Earth's tropical belt
- New view of supernova death throes in 3-D
- Three quarters of people with seasonal, pandemic flu have no symptoms
- How Were The Egyptian Pyramids Built?
| Wind farms can provide society a surplus of reliable clean energy Posted: 20 Mar 2014 11:08 AM PDT Researchers have found that the wind industry can easily afford the energetic cost of building batteries and other grid-scale storage technologies. However, for the solar industry, scientists found that more work is needed to make grid-scale storage energetically sustainable.  |
| New approach makes cancer cells explode Posted: 20 Mar 2014 09:19 AM PDT Researchers have discovered that a substance called Vacquinol-1 makes cells from glioblastoma, the most aggressive type of brain tumor, literally explode. The established treatments that are available for glioblastoma include surgery, radiation and chemotherapy. But even if this treatment is given the average survival is just 15 months. It is therefore critical to find better treatments for malignant brain tumors.  |
| Moon of Saturn: Surface of Titan sea is mirror smooth Posted: 20 Mar 2014 07:15 AM PDT The surface of Ligeia Mare, Titan's second largest sea, has a mirror-like smoothness, possibly due to a lack of winds, geophysicists say. As the only other solar system body with an Earth-like weather system, Titan could serve as a model for studying our own planet's early history.  |
| Eyes are windows to the soul -- and evolution Posted: 20 Mar 2014 07:06 AM PDT Why do we become saucer-eyed from fear and squint from disgust? These near-opposite facial expressions are rooted in emotional responses that exploit how our eyes gather and focus light to detect an unknown threat, according to a new study.  |
| Bees capable of learning feats with tasty prize in sight Posted: 18 Mar 2014 11:25 AM PDT Bumblebees are capable of some remarkable learning feats, especially when they might get a tasty reward, according to two studies. In the first study, the researchers found bees capable of learning to solve increasingly complex problems, an example of scaffold learning. In a second study, the researchers found bees learned by watching and communicating with other bees, a process called social learning.  |
| New heart failure symptom: Shortness of breath while bending over Posted: 18 Mar 2014 09:46 AM PDT A novel heart failure symptom in advanced heart failure patients has been identified by cardiologists: shortness of breath while bending over, such as when putting on shoes. The condition, which cardiologists named "bendopnea" (pronounced "bend-op-nee-ah"), is an easily detectable symptom that can help doctors diagnose excessive fluid retention in patients with heart failure, according to the findings.  |
| Climatologists offer explanation for widening of Earth's tropical belt Posted: 18 Mar 2014 08:38 AM PDT Climatologists posit that the recent widening of the tropical belt is primarily caused by multi-decadal sea surface temperature variability in the Pacific Ocean. This variability includes the Pacific Decadal Oscillation (a long-lived El Niño-like pattern of Pacific climate variability) and anthropogenic pollutants, which act to modify the Pacific Decadal Oscillation. Until now there was no clear explanation for what is driving the widening.  |
| New view of supernova death throes in 3-D Posted: 18 Mar 2014 08:36 AM PDT A powerful, new three-dimensional model provides fresh insight into the turbulent death throes of supernovas, whose final explosions outshine entire galaxies and populate the universe with elements that make life on Earth possible. It shows how the turbulent mixing of elements inside stars causes them to expand, contract, and spit out matter before they finally detonate.  |
| Three quarters of people with seasonal, pandemic flu have no symptoms Posted: 16 Mar 2014 05:32 PM PDT Around 1 in 5 of the population were infected in both recent outbreaks of seasonal flu and the 2009 H1N1 influenza pandemic, but just 23% of these infections caused symptoms, and only 17% of people were ill enough to consult their doctor. These findings come from a major new community-based study comparing the burden and severity of seasonal and pandemic influenza in England over 5 years.  |
| How Were The Egyptian Pyramids Built? Posted: 28 Mar 2008 07:43 AM PDT The Aztecs, Mayans and ancient Egyptians were three very different civilizations with one very large similarity: pyramids. However, of these three ancient cultures, the Egyptians set the standard for what most people recognize as classic pyramid design: massive monuments with a square base and four smooth-sided triangular sides, rising to a point. The Aztecs and Mayans built their pyramids with tiered steps and a flat top.  |
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