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Sunday, April 20, 2014

ScienceDaily: Top News

ScienceDaily: Top News


SpaceX-3 launches science cargo to International Space Station

Posted: 18 Apr 2014 06:26 PM PDT

A SpaceX Dragon spacecraft full of NASA cargo, experiments and equipment blazed into orbit Friday, April 18, aboard the company's Falcon 9 rocket. The astronauts aboard the International Space Station will unload the supplies after the Dragon arrives at the orbiting research laboratory.

ADHD: Scientists discover brain's anti-distraction system

Posted: 18 Apr 2014 11:12 AM PDT

Psychologists have made a brain-related discovery that could revolutionize doctors' perception and treatment of attention-deficit disorders. This discovery opens up the possibility that environmental and/or genetic factors may hinder or suppress a specific brain activity that the researchers have identified as helping us prevent distraction.

'Dressed' laser aimed at clouds may be key to inducing rain, lightning

Posted: 18 Apr 2014 11:12 AM PDT

The adage "Everyone complains about the weather but nobody does anything about it" may one day be obsolete if researchers further develop a new technique to aim a high-energy laser beam into clouds to make it rain or trigger lightning. Other possible uses of this technique could be used in long-distance sensors and spectrometers to identify chemical makeup.

Plants with dormant seeds give rise to more species

Posted: 18 Apr 2014 11:12 AM PDT

Seeds that sprout as soon as they're planted may be good news for a garden. But in the wild, a plant whose seeds sprouted at the first warm spell or rainy day would risk disaster. More than just an insurance policy against late frosts or unexpected dry spells, it turns out that seed dormancy has long-term advantages too: plants whose seeds put off sprouting until conditions are more certain give rise to more species.

'Exotic' material is like a switch when super thin

Posted: 18 Apr 2014 11:11 AM PDT

Researchers have shown how to switch a particular transition metal oxide, a lanthanum nickelate, from a metal to an insulator by making the material less than a nanometer thick. Ever-shrinking electronic devices could get down to atomic dimensions with the help of transition metal oxides, a class of materials that seems to have it all: superconductivity, magnetoresistance and other exotic properties. These possibilities have scientists excited to understand everything about these materials, and to find new ways to control their properties at the most fundamental levels.

Gecko-like adhesives now useful for real world surfaces

Posted: 18 Apr 2014 11:11 AM PDT

The ability to stick objects to a wide range of surfaces such as drywall, wood, metal and glass with a single adhesive has been the elusive goal of many research teams across the world, but now a team inventors describe a new, more versatile version of their invention, Geckskin, that can adhere strongly to a wider range of surfaces, yet releases easily, like a gecko's feet.

Impact glass from asteroids and comets stores biodata for millions of years

Posted: 18 Apr 2014 11:11 AM PDT

Bits of plant life encapsulated in molten glass by asteroid and comet impacts millions of years ago give geologists information about climate and life forms on the ancient Earth. Scientists exploring large fields of impact glass in Argentina suggest that what happened on Earth might well have happened on Mars millions of years ago. Martian impact glass could hold traces of organic compounds.

Impurity size affects performance of emerging superconductive material

Posted: 18 Apr 2014 11:11 AM PDT

Impurities can hurt performance -- or possibly provide benefits -- in a key superconductive material that is expected to find use in a host of applications, including future particle colliders. The size of the impurities determines whether they help or hinder the material's performance, according to new research.

ScienceDaily: Top Technology News

ScienceDaily: Top Technology News


Immune cells to be tested on the International Space Station

Posted: 19 Apr 2014 06:00 AM PDT

The human body is fine-tuned to Earth's gravity. Scientists are now conducting an experiment on the International Space Station (ISS) to study whether this also applies to human cells. We know the effect of gravity on muscles, bones and joints inside out; it has been studied extensively in medicine for centuries. For a long time, however, exactly how gravity affects the cells remained a mystery.

SpaceX-3 launches science cargo to International Space Station

Posted: 18 Apr 2014 06:26 PM PDT

A SpaceX Dragon spacecraft full of NASA cargo, experiments and equipment blazed into orbit Friday, April 18, aboard the company's Falcon 9 rocket. The astronauts aboard the International Space Station will unload the supplies after the Dragon arrives at the orbiting research laboratory.

'Dressed' laser aimed at clouds may be key to inducing rain, lightning

Posted: 18 Apr 2014 11:12 AM PDT

The adage "Everyone complains about the weather but nobody does anything about it" may one day be obsolete if researchers further develop a new technique to aim a high-energy laser beam into clouds to make it rain or trigger lightning. Other possible uses of this technique could be used in long-distance sensors and spectrometers to identify chemical makeup.

'Exotic' material is like a switch when super thin

Posted: 18 Apr 2014 11:11 AM PDT

Researchers have shown how to switch a particular transition metal oxide, a lanthanum nickelate, from a metal to an insulator by making the material less than a nanometer thick. Ever-shrinking electronic devices could get down to atomic dimensions with the help of transition metal oxides, a class of materials that seems to have it all: superconductivity, magnetoresistance and other exotic properties. These possibilities have scientists excited to understand everything about these materials, and to find new ways to control their properties at the most fundamental levels.

Gecko-like adhesives now useful for real world surfaces

Posted: 18 Apr 2014 11:11 AM PDT

The ability to stick objects to a wide range of surfaces such as drywall, wood, metal and glass with a single adhesive has been the elusive goal of many research teams across the world, but now a team inventors describe a new, more versatile version of their invention, Geckskin, that can adhere strongly to a wider range of surfaces, yet releases easily, like a gecko's feet.

Impact glass from asteroids and comets stores biodata for millions of years

Posted: 18 Apr 2014 11:11 AM PDT

Bits of plant life encapsulated in molten glass by asteroid and comet impacts millions of years ago give geologists information about climate and life forms on the ancient Earth. Scientists exploring large fields of impact glass in Argentina suggest that what happened on Earth might well have happened on Mars millions of years ago. Martian impact glass could hold traces of organic compounds.

Impurity size affects performance of emerging superconductive material

Posted: 18 Apr 2014 11:11 AM PDT

Impurities can hurt performance -- or possibly provide benefits -- in a key superconductive material that is expected to find use in a host of applications, including future particle colliders. The size of the impurities determines whether they help or hinder the material's performance, according to new research.

Saturday, April 19, 2014

Let Your Colors Show

Who says a wedding needs to be all white? Here's how to add color to that big day.

so bright, so perfect

You might have missed...

From BuzzFeed Video...

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Just Wait!

If you start celebrating too early, you could end up like one of these poor people.

19 Reasons Why You Should Never Celebrate Too Early

Learn what Taylor Swift learned the hard way: When you celebrate early, bad things happen.

this is one case where it's okay to not be like Taylor

LOL

4/20 is this weekend. So it calls for something big. Here are 21 extremely stoned bunnies.

OMG

Here's something you've never seen: A K-Pop group twerking to classical music.

FAIL

In really weird news: A college professor was suspended because his daughter wore a "Game Of Thrones" T-shirt.

OMG

A Canadian pizza chain has created a pizza cake. We may have gone too far.

LOL

A thirtysomething tried to decipher teenage slang. He didn't do so well.

WTF

Yolo County, Calif. Hooker, Okla. And 15 other places that probably should consider a new name.

WIN

Some people are good at Snapchat. This guy's Disney-inspired Snapchats are next level.

LOL

And finally: Do you like brunch? Or are you a true brunch superstar?

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ScienceDaily: Living Well News

ScienceDaily: Living Well News


Impact of childhood bullying still evident after 40 years

Posted: 17 Apr 2014 06:25 PM PDT

The negative social, physical and mental health effects of childhood bullying are still evident nearly 40 years later, according to new research. The study is the first to look at the effects of bullying beyond early adulthood. Just over a quarter of children in the study (28%) had been bullied occasionally, and 15% bullied frequently -- similar to rates in the UK today. Individuals who were bullied in childhood were more likely to have poorer physical and psychological health and cognitive functioning at age 50. Individuals who were frequently bullied in childhood were at an increased risk of depression, anxiety disorders, and suicidal thoughts.

Gene variant increases risk of colorectal cancer from eating processed meat

Posted: 17 Apr 2014 04:16 PM PDT

A common genetic variant that affects one in three people appears to significantly increase the risk of colorectal cancer from the consumption of processed meat, according to a new study.

Inhibited children become anxious adults: Examining the causes and effects of early shyness

Posted: 17 Apr 2014 12:59 PM PDT

Three little girls sit together in a room, playing with the toys surrounding them. One of the girls -- "Emma" -- has clearly taken charge of the group, and the others happily go along with her. A fourth girl -- "Jane" -- enters the room, hiding her face while clinging to her mother. The first three continue to play, while mom sits Jane down with some toys a few feet away from the group. After mom leaves, however, Jane sits alone against the wall. Emma makes her way over to Jane, inviting her to play with the rest of the group. Jane -- looking trapped -- starts to cry, then stands up and tries desperately to open the door.

Loud talking, horseplay in car results in more serious incidents for teen drivers

Posted: 17 Apr 2014 11:19 AM PDT

Adolescent drivers are often distracted by technology while they are driving, but loud conversations and horseplay between passengers appear more likely to result in a dangerous incident, according to a new study. Researchers ecruited 52 North Carolina high-school age drivers to have in-vehicle cameras mounted in their cars and trucks to observe distracted driving behaviors and distracted conditions when teen drivers were behind the wheel. Young drivers were recorded in a variety of real-world driving situations over six months -- with parents in the car, with other teens in the car and alone.

Fish consumption advisories for expecting mothers fail to cover all types of contaminants

Posted: 17 Apr 2014 11:19 AM PDT

Fish consumption advisories for expecting mothers are ineffective in reducing infant exposure to contaminants like persistent organic pollutants. The researchers' model estimates that women who stop eating fish shortly before or during their pregnancy may only lower their child's exposure to POPs by 10 to 15 per cent.

Connecting sleep deficits among young fruit flies to disruption in mating later in life

Posted: 17 Apr 2014 11:19 AM PDT

Mom always said you need your sleep, and it turns out, she was right. According to a new study, the lack of sleep in young fruit flies profoundly diminishes their ability to do one thing they do really, really well -- make more flies. To address whether sleep loss in young flies affects development of courtship circuits, the team investigated a group of neurons implicated in courtship. One particular subset of those neurons was smaller in sleep-deprived animals than normal flies, suggesting a possible mechanism for how sleep deprivation can lead to altered courting behavior.

Boosting depression-causing mechanisms in brain increases resilience, surprisingly

Posted: 17 Apr 2014 11:18 AM PDT

New research uncovers a conceptually novel approach to treating depression. Instead of dampening neuron firing found with stress-induced depression, researchers demonstrated for the first time that further activating these neurons opens a new avenue to mimic and promote natural resilience.

Internet use may cut retirees' depression

Posted: 17 Apr 2014 09:47 AM PDT

Spending time online has the potential to ward off depression among retirees, particularly among those who live alone, according to research. Authors report that internet use reduced the probability of a depressed state by 33 percent among their study sample. Late-life depression affects between 5 and 10 million Americans age 50 and older. This new study shows that the Internet offers older Americans a chance to overcome the social and spatial boundaries that are believed to fuel depression.

Distracted driving among teens threatens public health and safety

Posted: 17 Apr 2014 06:05 AM PDT

Motor vehicle crashes rank as the leading cause of teen deaths and in 2008, 16% of all distraction-related fatal automobile crashes involved drivers under 20 years of age. These grim statistics, coupled with an increasing nationwide awareness of the dangers of distracted driving for all ages, prompted the publication of important research that explores the causes of distracted driving and offers practical recommendations to reduce the incidence of distracted driving among teens.

Book early, after work if you want to enjoy your next hotel stay

Posted: 16 Apr 2014 01:24 PM PDT

If you're planning a summer vacation or weekend getaway, when you book your hotel room can make a big difference. A new study found you'll be happier with your hotel stay if you book your room after business hours. The research found that consumers who made reservations during business hours selected a higher quality hotel, but they were ultimately less satisfied with their choice. Additionally, the study's findings on hotel quality and satisfaction is the same regardless of whether a reservation is made online, by phone or through a travel agent.

In old age, lack of emotion, interest may signal brain is shrinking

Posted: 16 Apr 2014 01:24 PM PDT

Older people who have apathy but not depression may have smaller brain volumes than those without apathy, according to a new study. Apathy is a lack of interest or emotion.

Massage therapy improves circulation, alleviates muscle soreness

Posted: 16 Apr 2014 09:54 AM PDT

Massage therapy improves general blood flow and alleviates muscle soreness after exercise, according to a study. The results also showed that massage improved vascular function in people who had not exercised, suggesting that massage has benefits for people regardless of their level of physical activity.

Low vitamin D may not be a culprit in menopause symptoms

Posted: 16 Apr 2014 06:08 AM PDT

No significant connection between vitamin D levels and menopause symptoms has been made from the results of a research project on the topic. The authors analyzed the relationship between the blood levels of vitamin D and a number of menopause symptoms, including hot flashes, night sweats, sleep disturbance, concentration, and forgetfulness in 530 women who participated in the calcium and vitamin D trial.

ScienceDaily: Most Popular News

ScienceDaily: Most Popular News


First potentially habitable Earth-sized planet confirmed by Gemini and Keck observatories

Posted: 17 Apr 2014 11:19 AM PDT

The first Earth-sized exoplanet orbiting within the habitable zone of another star has been confirmed by observations with both the W. M. Keck Observatory and the Gemini Observatory. The initial discovery, made by NASA's Kepler Space Telescope, is one of a handful of smaller planets found by Kepler and verified using large ground-based telescopes. It also confirms that Earth-sized planets do exist in the habitable zone of other stars.

There's something ancient in the icebox: Three-million-year-old landscape beneath Greenland Ice Sheet

Posted: 17 Apr 2014 11:18 AM PDT

Scientists were greatly surprised to discover an ancient tundra landscape preserved under the Greenland Ice Sheet, below two miles of ice. This finding provides strong evidence that the ice sheet has persisted much longer than previously known, enduring through many past periods of global warming.

Earliest ancestor of land herbivores discovered: 300-million-year-old predator showed way to modern terrestrial ecosystem

Posted: 16 Apr 2014 02:22 PM PDT

New research demonstrates how carnivores transitioned into herbivores for the first time on land. Previously unknown, the 300-million-year old fossilized juvenile skeleton of Eocasea martini is less than 20 cm long. Found in Kansas, it consists of a partial skull, most of the vertebral column, the pelvis and a hind limb. By comparing the skeletal anatomy of related animals, scientists discovered that Eocasea martini belonged to the caseid branch of the group Synapsid. This group, which includes early terrestrial herbivores and large top predators, ultimately evolved into modern living mammals. Eocasea lived nearly 80 million years before the age of dinosaurs.

Eavesdropping on brain cell chatter

Posted: 16 Apr 2014 11:33 AM PDT

Everything we do -- all of our movements, thoughts and feelings -- are the result of neurons talking with one another, and recent studies have suggested that some of the conversations might not be all that private. Brain cells known as astrocytes may be listening in on, or even participating in, some of those discussions. But a new mouse study suggests that astrocytes might only be tuning in part of the time -- specifically, when the neurons get really excited about something.

How smells stick to your memories: Your nose can be a pathfinder

Posted: 16 Apr 2014 10:33 AM PDT

Waves in your brain make smells stick to your memories and inner maps. Researchers have recently discovered the process behind this phenomenon. The brain, it turns out, connects smells to memories through an associative process where neural networks are linked through synchronized brain waves of 20-40 Hz.

Searching for dark energy with neutrons: With neutrons, scientists can now look for dark energy in the lab

Posted: 16 Apr 2014 10:33 AM PDT

It does not always take a huge accelerator to do particle physics: First results from a low energy, table top alternative takes validity of Newtonian gravity down by five orders of magnitude and narrows the potential properties of the forces and particles that may exist beyond it by more than one hundred thousand times. Gravity resonance spectroscopy is so sensitive that it can now be used to search for Dark Matter and Dark Energy.

Scientists re-define what's healthy in newest analysis for human microbiome project

Posted: 16 Apr 2014 10:31 AM PDT

A new look at the Human Microbiome Project shows wide variation in the types of bacteria found in healthy people. Based on their findings, there is no single healthy microbiome. Rather each person harbors a unique and varied collection of bacteria that's the result of life history as well their interactions with the environment, diet and medication use.

Functional brain imaging reliably predicts which vegetative patients have potential to recover consciousness

Posted: 15 Apr 2014 05:37 PM PDT

A functional brain imaging technique known as positron emission tomography is a promising tool for determining which severely brain damaged individuals in vegetative states have the potential to recover consciousness, according to new research.

Real-time audio of corporal punishment shows kids misbehave within 10 minutes of spanking

Posted: 15 Apr 2014 11:40 AM PDT

Real-time audio recordings of children being spanked showed parents responded impulsively or emotionally, rather than being intentional with their discipline, says a psychologist and parenting expert. Researchers discovered that spanking was more common than parents admit, that children were hit for trivial misdeeds, and that children misbehaved within 10 minutes of punishment.

New method of screening children for autism spectrum disorders works at 9 months old

Posted: 15 Apr 2014 09:55 AM PDT

Researchers have identified head circumference and head tilting reflex as two reliable biomarkers in the identification of autism spectrum disorders (ASD) in children that are between 9 and 12 months of age. ASD is identifiable as early as two years old, although most children are not identified until after the age of four. While a number of studies have reported that parents of children with ASD notice developmental problems in children before their first birthday, there has yet to be a screening tool to identify those children.

How nerve cells flexibly adapt to acoustic signals

Posted: 11 Apr 2014 07:31 AM PDT

Nerve cells flexibly adapt to acoustic signals, research has shown. Depending on the input signal, neurons generate action potentials either near or far away from the cell body. Nerve cells ensure that the various kinds of input signals are optimally processed -- and thus allow us to perceive both small and large acoustic arrival time differences well, and thereby localize sounds in space.

Impact of the 1,000 mph supersonic car predicted

Posted: 11 Apr 2014 07:31 AM PDT

What are the aerodynamic characteristics of traveling at 1,000 mph? Simulations have looked at how the car will cope with the supersonic rolling ground, rotating wheels and resulting shock waves in close proximity to the test surface at the record attempt site in Hakskeen Pan, South Africa. Where, in 2015, it will make high speed test runs of up to 800mph, with the full 1,000mph attempt scheduled for 2016.

Grandmas stay sharp when they care for grandkids once a week

Posted: 08 Apr 2014 08:17 AM PDT

Taking care of grandkids one day a week helps keep grandmothers mentally sharp, finds a study. That's good news for women after menopause, when women need to lower their risks of developing Alzheimer's disease and other cognitive disorders. On the other hand, taking care of grandchildren five days a week or more had some negative effects on tests of mental sharpness.