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Saturday, March 22, 2014

Please, Just Stay Calm

Just because you're meeting a celebrity doesn't mean you need to be this awkward.

The 33 Most Painfully Awkward Fan Encounters Of All Time

Just a reminder: If you ever meet a celeb, remember not to freak out.

that's quite the face

LOL

You know that thing Miley Cyrus does with her tongue? She's been doing it forever.

OMG

Kanye and Kim are on the cover of "Vogue." They want you to know: They're in love, okay?

LOL

Parents lie to their kids all the time. ALL the freaking time.

WIN

Anytime you think the world is a bad place, just remind yourself: Amazing things happen every day.

FAIL

Makeup isn't easy. Sometimes, it leaves you really confused.

LOL

Duke lost in a huge March Madness upset to Mercer. If you hate Duke, these faces will put you in a good mood.

WIN

A quiz that only '80s kids will appreciate: Which "Breakfast Club" character are you?

OMG

And finally: “What do you do all day?” And 18 other questions you should never ask a stay-at-home parent.

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ScienceDaily: Most Popular News

ScienceDaily: Most Popular News


Scientists find mechanism to reset body clock

Posted: 20 Mar 2014 09:19 AM PDT

Researchers have discovered a new mechanism that governs how body clocks react to changes in the environment. The discovery could provide a solution for alleviating the detrimental effects of chronic shift work and jet-lag.

Nearly complete 'chicken from hell,' from mysterious dinosaur group

Posted: 19 Mar 2014 04:58 PM PDT

Scientists have discovered a bizarre, bird-like dinosaur, named Anzu wyliei, that provides paleontologists with their first good look at a dinosaur group that has been shrouded in mystery for almost a century. Anzu was described from three specimens that collectively preserve almost the entire skeleton, giving scientists a remarkable opportunity to study the anatomy and evolutionary relationships of Caenagnathidae -- the long-mysterious group of theropod dinosaurs to which Anzu belongs.

Earth's radiation belt: Van Allen probes reveal 'zebra stripes' in space

Posted: 19 Mar 2014 12:32 PM PDT

Scientists have discovered a new, persistent structure in one of two radiation belts surrounding Earth. NASA's twin Van Allen Probes spacecraft have shown that high-energy electrons in the inner radiation belt display a persistent pattern that resembles slanted zebra stripes. Surprisingly, this structure is produced by the slow rotation of Earth, previously considered incapable of affecting the motion of radiation belt particles, which have velocities approaching the speed of light.

Goldilocks principle: Earth's continued habitability due to geologic cycles that act as climate control

Posted: 19 Mar 2014 11:39 AM PDT

Scientists have shown how geologic process regulates the amount of carbon dioxide in the atmosphere. Researchers have documented evidence suggesting that part of the reason that Earth has become neither sweltering like Venus nor frigid like Mars lies with a built-in atmospheric carbon dioxide regulator -- the geologic cycles that churn up the planet's rocky surface.

Radiation damage at the root of Chernobyl's ecosystems

Posted: 19 Mar 2014 09:48 AM PDT

Radiological damage to microbes near the site of the Chernobyl disaster has slowed the decomposition of fallen leaves and other plant matter in the area, according to a new study. The resulting buildup of dry, loose detritus is a wildfire hazard that poses the threat of spreading radioactivity from the Chernobyl area.

Low doses of antianxiety drugs rebalance autistic brain, study shows

Posted: 19 Mar 2014 09:48 AM PDT

New research in mice suggests that autism is characterized by reduced activity of inhibitory neurons and increased activity of excitatory neurons in the brain, but balance can be restored with low doses of a well-known class of drugs currently used in much higher doses to treat anxiety and epileptic seizures. The findings point to a new therapeutic approach to managing autism.

Lied-to children more likely to cheat, lie

Posted: 19 Mar 2014 06:38 AM PDT

A new experiment is the first to show a connection between adult dishonesty and children's behavior, with kids who have been lied to more likely to cheat and then to lie to cover up the transgression. Research has documented that the majority of parents admit to lying to their children even as they maintain that honesty is an important value. "The actions of parents suggest that they do not believe that the lies they tell their children will impact the child's own honesty. The current study casts doubt on that belief," the authors say. The study has implications not only for parenting but also for teaching scenarios and for forensic situations, said Carver: "All sorts of grown-ups may have to re-examine what they say to kids. Even a 'little white lie' might have consequences."

Fried foods may interact with genes to influence body weight, say experts

Posted: 18 Mar 2014 04:00 PM PDT

Individuals who are genetically predisposed to obesity may be more susceptible to the adverse effects of eating fried foods, concludes a study. The results of a new study show that eating fried food more than four times a week had twice as big an effect on body mass index (BMI) for those with the highest genetic risk scores compared with lower scores. In other words, genetic makeup can inflate the effects of bad diet.

Building heart tissue that beats: Engineered tissue closely mimics natural heart muscle

Posted: 18 Mar 2014 12:47 PM PDT

When a heart gets damaged, such as during a major heart attack, there's no easy fix. But scientists working on a way to repair the vital organ have now engineered tissue that closely mimics natural heart muscle that beats, not only in a lab dish but also when implanted into animals.

Mental health on the go: Reducing anxiety with smartphone app

Posted: 18 Mar 2014 08:19 AM PDT

Playing a science-based mobile gaming app for 25 minutes can reduce anxiety in stressed individuals, according to research. The study suggests that 'gamifying' a scientifically-supported intervention could offer measurable mental health and behavioral benefits for people with relatively high levels of anxiety. The game is based on an emerging cognitive treatment for anxiety called attention-bias modification training. The treatment involves training patients to ignore a threatening stimulus (such as an angry face) and to focus instead on a non-threatening stimulus (such as a neutral or happy face). This type of training has been shown to reduce anxiety and stress among people suffering from high anxiety.

Climate change will reduce crop yields sooner than thought

Posted: 16 Mar 2014 12:33 PM PDT

Global warming of only 2 degrees Celsius will be detrimental to crops in temperate and tropical regions, researchers have determined, with reduced yields from the 2030s onwards. In the study, the researchers created a new data set by combining and comparing results from 1,700 published assessments of the response that climate change will have on the yields of rice, maize and wheat. Due to increased interest in climate change research, the new study was able to create the largest dataset to date on crop responses.

Plastic shopping bags make a fine diesel fuel

Posted: 12 Feb 2014 10:28 AM PST

Plastic shopping bags, an abundant source of litter on land and at sea, can be converted into diesel, natural gas and other useful petroleum products, researchers report. The conversion produces significantly more energy than it requires and results in transportation fuels -- diesel, for example -- that can be blended with existing ultra-low-sulfur diesels and biodiesels.

Magic mushrooms' effects illuminated in brain imaging studies

Posted: 23 Jan 2012 12:20 PM PST

Brain scans of people under the influence of the psilocybin, the active ingredient in magic mushrooms, have given scientists the most detailed picture to date of how psychedelic drugs work. The findings of two new studies identify areas of the brain where activity is suppressed by psilocybin and suggest that it helps people to experience memories more vividly.

ScienceDaily: Top Health News

ScienceDaily: Top Health News


Stem cell findings may offer answers for some bladder defects, disease

Posted: 21 Mar 2014 01:48 PM PDT

For the first time, scientists have succeeded in coaxing laboratory cultures of human stem cells to develop into the specialized, unique cells needed to repair a patient's defective or diseased bladder. The breakthrough is significant because it provides a pathway to regenerate replacement bladder tissue for patients whose bladders are too small or do not function properly, such as children with spina bifida and adults with spinal cord injuries or bladder cancer.

Pathogens in cheese: Case study on Austrian curd cheese

Posted: 21 Mar 2014 08:22 AM PDT

In 2009 and 2010 two different strains of the bacterium Listeria monocytogenes were found in traditional Austrian curd cheese known as 'Quargel'. 34 people were infected, and a total of 8 patients died. Experts analyzed the genomes, and concluded that the bacterial strains display distinct properties and entered the food chain independently. The results increase the understanding of outbreaks and their prevention.

Stem cell study finds source of earliest blood cells during development

Posted: 21 Mar 2014 07:17 AM PDT

Hematopoietic stem cells are now routinely used to treat patients with cancers and other disorders of the blood and immune systems, but researchers knew little about the progenitor cells that give rise to them during embryonic development. Scientists have now created novel cell assays that identified the earliest arising HSC precursors based on their ability to generate all major blood cell types (red blood cells, platelets and immune cells).

New method can diagnose feared pancreatic cancer

Posted: 21 Mar 2014 07:16 AM PDT

Pancreatic cancer is often detected at a late stage, which results in poor prognosis and limited treatment options. Researchers have now developed a method that identifies the cancer's visible precursors with 97% certainty. The method, which is expected to aid in the early discovery of the cancer as well as minimize the risk of unnecessary surgery, may be introduced in patient care within five years.

Diffuse brain damage can occur with no signs of 'concussion' in rats, reports study

Posted: 21 Mar 2014 07:14 AM PDT

A standard experimental model of concussion in rats causes substantial brain damage -— but no behavioral changes comparable to those seen in patients with concussion, reports a study. The results highlight the "disconnect" between preclinical and clinical studies of concussion. The study also adds to concerns over the possible long-term effects of repeated, "subconcussive" brain trauma -- causing no concussion symptoms -- in humans.

Gene family linked to brain evolution implicated in severity of autism symptoms

Posted: 21 Mar 2014 06:55 AM PDT

The same gene family that may have helped the human brain become larger and more complex than in any other animal also is linked to the severity of autism. The gene family is made up of over 270 copies of a segment of DNA called DUF1220. DUF1220 codes for a protein domain -- a specific functionally important segment within a protein. The more copies of a specific DUF1220 subtype a person with autism has, the more severe the symptoms, according to a new paper.

Surprising new way to kill cancer cells

Posted: 21 Mar 2014 06:55 AM PDT

Cancer cells -- and not normal cells -- can be killed by eliminating either the FAS receptor, also known as CD95, or its binding component, CD95 ligand, scientists have demonstrated. The discovery seems counterintuitive because CD95 has previously been defined as a tumor suppressor. To confirm the importance of CD95 for the survival of cancer cells in vivo, the researchers removed it from tissues in animal models and found that cancer could not form.

Obesity, depression linked in teen girls, new study shows

Posted: 21 Mar 2014 06:53 AM PDT

Depression and obesity have long been associated, but how they relate over time is less clear. New research shows that adolescent females who experience one of the disorders are at a greater risk for the other as they get older. It is unknown why no associations across time between the two disorders were found in male adolescents, but researchers hypothesize that it could be a result of different developmental processes leading to obesity and depression in males and females.

Cholesterol transporter structure decoded

Posted: 21 Mar 2014 06:53 AM PDT

For the first time, scientists have solved the high-resolution structure of the molecular transporter TSPO, which introduces cholesterol into mitochondria. This protein also serves as a docking site for diagnostic markers and different drugs, such as Valium. The detailed knowledge of its 3-D shape and function opens up new diagnostic and therapeutic perspectives.

Preterm children at increased risk of having math problems

Posted: 21 Mar 2014 06:53 AM PDT

Preterm children are at an increased risk of having general cognitive and mathematic problems, research has concluded. "Teachers should be aware of these children's problems and need to work on ways of math instruction that help preterm children deal with the high cognitive workload and integration of information required for mathematic tasks in school," says a co-author.

UV exposure found to lower folate levels in young women

Posted: 21 Mar 2014 06:52 AM PDT

Women who are pregnant or trying to get pregnant and taking a folic acid supplement may be at risk of reducing their folate benefit through sun exposure, a new study has warned. Folic acid is a B vitamin that is very important for pregnant women and those planning a baby. Folate is found in foods such as green leafy vegetables like spinach, citrus fruits, legumes, whole grains and vegemite. Folic acid is also added to many foods such as breads, flours and pastas. Folic acid can also be taken as a pill.

Homeless with TBI more likely to visit ER

Posted: 21 Mar 2014 06:52 AM PDT

Homeless and vulnerably housed people who have suffered a traumatic brain injury at some point in their life are more likely to visit an emergency department, be arrested or incarcerated, or be victims of physical assault, new research has found. "Given the high costs of Emergency Department visits and the burden of crime on society, these findings have important public health and criminal justice implications," the researchers write.

One-third of UK women might benefit from more frequent mammograms

Posted: 21 Mar 2014 06:52 AM PDT

A study of over 50,000 women participating in the United Kingdom NHS Breast Screening Programme has found that, while three-yearly screening intervals are appropriate for the majority of women, approximately one third of women are at higher risk of developing cancer and might benefit from more frequent mammograms.

Harms outweigh benefits for women aged 70 and over in UK's national breast cancer screening programs

Posted: 21 Mar 2014 06:50 AM PDT

Extending national breast cancer screening programs to women over the age of 70 does not result in a decrease in the numbers of cancers detected at advanced stages, according to new research. Instead, researchers say that their findings suggest that extending screening programs to older women results in a large proportion of women being over-treated, and at risk from the harmful effects of such treatment, because these women were more likely to die from other causes than from any tumors detected in the early stages of growth.

Genetic factor contributes to forgetfulness

Posted: 21 Mar 2014 06:50 AM PDT

Misplaced your keys? Can't remember someone's name? Didn't notice the stop sign? Those who frequently experience such cognitive lapses now have an explanation. Psychologists have found a connection between such everyday lapses and the DRD2 gene. Those who have a certain variant of this gene are more easily distracted and experience a significantly higher incidence of lapses due to a lack of attention.

Genetic evidence for single bacteria cause of sepsis identified for the first time by academic team

Posted: 21 Mar 2014 06:48 AM PDT

An international team of academics has studied how localized infections can turn into the dangerous systematic disease sepsis – and has identified for the first time through genetic evidence that a single bacteria could be the cause. The study examined the events that lead to sepsis by Streptococcus pneumoniae (pneumococcus), a major human pathogen, in mice. They found that in most cases the bacteria causing sepsis was started by a single pneumococcal cell.

Switching an antibiotic on and off with light

Posted: 21 Mar 2014 06:48 AM PDT

An antibiotic, whose biological activity can be controlled with light, has been produced by researchers. Thanks to the robust diarylethene photoswitch, the antimicrobial effect of the peptide mimetic can be applied in a spatially and temporally specific manner. This might open up new options for the treatment of local infections, as side effects are reduced.

Playing as black: Avatar race affects white video game players

Posted: 21 Mar 2014 06:47 AM PDT

What happens when white video game players see themselves as black characters in a violent game? A new study suggests some disturbing answers. It makes the white players act more aggressively after the game is over, have stronger explicit negative attitudes toward blacks and display stronger implicit attitudes linking blacks to weapons.

9/11 Linked to Two Heart Disease Culprits: Obstructive Sleep Apnea, Post-Traumatic Stress Disorder

Posted: 20 Mar 2014 06:47 PM PDT

High levels of exposure to inhaled particulate matter by first responders at Ground Zero has been linked to the risk of obstructed sleep apnea and post-traumatic stress disorder (PTSD), both conditions that may impact cardiovascular health, researchers say, adding, "as a result of our new study findings, we plan to further closely monitor our WTC first responders for heart disease warning signs."

Potential lung cancer vaccine shows renewed promise

Posted: 20 Mar 2014 02:35 PM PDT

The investigational cancer vaccine tecemotide, when administered with the chemotherapeutic cisplatin, boosted immune response and reduced the number of tumors in mice with lung cancer, a study has shown. "There aren't any good options for patients with inoperable stage III lung cancer following mainline chemotherapies," said the lead author. "We are looking at tecemotide as a potential maintenance therapy to prolong survival and improve quality of life."

One-third of kids with obesity 'metabolically healthy,' study shows

Posted: 20 Mar 2014 02:35 PM PDT

Physical activity and diet have positive impact on health, regardless of fat levels, a new study has indicated. "Since most children with obesity find it challenging to lose and maintain weight loss over time, improving metabolic health by being physically active and eating healthfully is an important result in and of itself," the authors state.

Health insurance coverage increased ER use in Massachusetts

Posted: 20 Mar 2014 02:35 PM PDT

The implementation of health care reform in Massachusetts -- principally the expansion of health insurance coverage to nearly everyone in the state – was associated with a small but consistent increase in emergency department use, according to the findings of a study.

Not only is she thinner than you, her muscles work better, too: Role of muscle function in maintaining weight

Posted: 20 Mar 2014 02:34 PM PDT

Researchers examined how muscle physiology effects leanness. They found that while rats with 'lean genes' burned a similar amount of calories at rest as those with 'obese genes,' the muscles of lean rats burned much more energy during mild activity. The research sheds new light on the role of muscle function and metabolism in maintaining weight.

Humans can distinguish at least one trillion different odors

Posted: 20 Mar 2014 11:07 AM PDT

Humans are capable of discriminating at least one trillion different odors, new research shows. Scientists determined that our sense of smell is prepared to recognize this vast olfactory palette after testing individuals' ability to recognize differences between complex odors mixed in the laboratory. It has been said for decades that humans were limited to distinguishing only 10,000 different odors.

Gene silencing instructions acquired through 'molecular memory' tags on chromatin

Posted: 20 Mar 2014 10:11 AM PDT

One of the mysteries of modern genetics has been solved: how acquired traits can be passed between generations in a process called epigenetic inheritance. The new work finds that cells don't know to silence some genes based on information hardwired into their DNA sequences, but recognize heritable chemical marks that are added to the genes. These chemical tags serve as a form of molecular memory, allowing cells to recognize the genes and remember to silence them again in each new generation.

Thoughtful people more likely to infer improvements in race relations

Posted: 20 Mar 2014 09:19 AM PDT

According to a recent poll, a majority of Americans believe that there is still at least some racism against African Americans in this country. But new research shows that people are more likely to deny the persistence of racism after being exposed to a successful African American. The study demonstrate that when white people are exposed to images of exceptionally successful blacks, they quickly infer that racial disparity is not due to the persistence of racism, but rather due to shortcomings in the African American Community.

Studies of gut flora in infants, toddlers could lead to better health

Posted: 20 Mar 2014 08:19 AM PDT

Breastfeeding until at least nine months of age increases prevalence in the gastrointestinal tract of Lactobacilli and Bifidobacteria, species which are known to contribute to development of a healthy immune system, according to a paper describing the establishment of the intestinal microbiota during the first three years of life.

Obesity: Not just what you eat

Posted: 20 Mar 2014 08:19 AM PDT

To understand how obesity develops, researchers used state-of-the-art technology to analyze the accumulation of fat in the body at the cellular level, and according to their new findings, nutrition is not the most important factor driving obesity. The researchers offer insight into the development of obesity and are now creating a platform to develop new therapies and technologies to prevent or even reverse fat gain.

Unisex rooms made gender insignificant in army

Posted: 20 Mar 2014 08:17 AM PDT

The researchers behind a new report on gender equality in the Norwegian army describe the phenomenon as "degenderization". When women and men shared the same room, gender was no longer significant.

Underage youth, adults differ in their alcohol brand preferences

Posted: 20 Mar 2014 08:17 AM PDT

Youth are not merely mimicking the alcohol brand choices of adults, suggesting that other factors may influence their drinking preferences. This is the conclusion of a new report comparing the alcohol brand preferences of underage drinkers and adults.

Deaths from breast cancer fall in Europe, but unexplained differences between countries remain

Posted: 20 Mar 2014 07:11 AM PDT

Improvements in treatment, as well as enhanced access to care, underlie the sustained decreases in breast cancer mortality seen in 30 European countries from 1989 to 2010. But there are notable variations between different countries that cannot be explained simply by the resources devoted to cancer care, and these differences need to be studied further.

Minority disparities evident in prostate cancer survival rate, study shows

Posted: 20 Mar 2014 07:06 AM PDT

African-American men are at increased risk for poorer survival rate following prostate cancer treatment compared to other minority groups, a new study found, which reviewed data on more than 290,000 men with prostate cancer from the past 20 years. "Theoretically, if all clinical and demographic variables are the same and people have similar access to treatment, they should have the equal survival rates," says a urologist and co-author of the report. "We found that is not the case."

Antibiotic-resistant bacteria among children in U.S. on the rise

Posted: 20 Mar 2014 07:05 AM PDT

Infections caused by a specific type of antibiotic-resistant bacteria are on the rise in U.S. children, according to new study. While still rare, the bacteria are increasingly found in children of all ages, especially those 1-5 years old, raising concerns about dwindling treatment options. "The overwhelming majority of current research for new pharmaceuticals against antibiotic-resistant organisms are in adults. More research is needed to define risk factors for these infections in children, their prevalence in different settings, and their molecular epidemiology," the researchers note.

Data on antibiotic use in non-EU countries should stimulate development of action plans

Posted: 19 Mar 2014 04:58 PM PDT

The first ever reliable data on antibiotic use in non-European Union southern and eastern European countries and newly independent states has been published. The authors hope that the findings will aid the development of national action plans to enhance judicious antibiotic use, and curb the rising threat of antibiotic resistance.