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December 14 2014

Do extraverts have stronger immune systems?


New research finds links between personality traits and the expression of genes that control the activity of our immune systems.

The results of the new study don’t support a common theory that tendencies toward negative emotions such as depression or anxiety can lead to poor health—so-called “disease-prone personality.”.

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December 14 2014

Less Sleep Means More Stress for Teens


Teens stay up late at night and sleep late into the morning, a result of a natural shift in their circadian rhythms. That biological schedule puts them at odds with the adult world, as well as early start times for high school. But does the mismatch cut down on how much they actually sleep, and does that affect how stressed they feel? Data from Sleep Cycle reveals some intriguing insights


Related: Many U.S. workers are sacrificing sleep for work hours, long commutes

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December 14 2014

Why Do We Want to Bite Cute Things, Like Adorable Newborn Babies?


The urge to nibble cute creatures might be a case of getting one's wires crossed. In a recent study, researchers performed functional magnetic resonance imaging scans on women who unwittingly sniffed newborn infants. The odors activated reward-related areas of the brain, the same regions that trigger a pleasurable rush of dopamine when we get our hands on a desirable bit of food. A similar neural effect was reported in an earlier study where women viewed images of babies.

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December 14 2014

Your Dog May Understand More Than You Realize


Sometimes it may seem like your dog doesn't want to listen, but a new study finds dog brains process human speech a lot like ours do. Your pooch may understand more than he lets on.

Human speech is complex, communicating not only words but also tone, as well as information about the speaker such as their gender and identity. To what extent can a dog pick up on these different cues?.

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December 13 2014

How to sharpen your sense of smell—without using your nose


Athletes and dancers improve their work by imagining themselves practicing physical skills, and musicians get better after imagining a performance. Now, it turns out, professional smellers can also mentally enhance their game. Researchers asked 20 experts to identify 47 chemicals that resemble everyday odors such as those of bananas and roses.

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December 13 2014

Earth's most abundant mineral finally has a name


An ancient meteorite and high-energy X-rays have helped scientists conclude a half century of effort to find, identify and characterize a mineral that makes up 38 percent of the Earth.

And in doing so, a team of scientists led by Oliver Tschauner, a mineralogist at the University of Las Vegas, clarified the definition of the Earth's most abundant mineral -- a high-density form of magnesium iron silicate, now called Bridgmanite -- and defined estimated constraint ranges for its formation.

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December 13 2014

Lightning struck 5,000 times during 'weather bomb' storm


Lightning struck 5,000 times across the Western Isles and northern Scotland during Wednesday and Thursday, according to an energy provider.

Scottish Hydro Electric Power Distribution (SHEPD) said the strikes were the cause of the most damage to electricity supplies during the storm.

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December 13 2014

Can Cops Predict Crime?


The field of “predictive policing” is becoming more and more common as law enforcement officials take advantage of new tools of computer science, machine learning and big data to figure out where criminals may strike next.

These programs are a far cry from "Minority Report," the Tom Cruise film/Philip K. Dick novel in which citizens were arrested days or weeks before they committed crimes. But prediction methods are getting better, focusing not on an individual's brain or personality, but rather individual kinds of behavior of large groups of people -- in this case, the habits of bad guys.

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December 13 2014

Eye-Tracking Technology Aims to Take Your Unconscious Pizza Order


If you prefer to order your pizza without going through all the trouble of actually speaking, Pizza Hut has just the thing for you—“the world’s first subconscious menu.” You sit down, glance through the menu, and before you say anything or even make a conscious decision, the menu has figured out which toppings you’d like on your pizza and places your order. Pizza Hut recently began testing the technology in some of its UK restaurants.

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December 13 2014

Earnings show less for left-handed, says study


Much has been thrown at left-handed people—they are quick to anger, quickly scared and, with the exception of heads of state, are more or less life's losers. Much too has been bestowed upon left-handed people—they are creative and score highly on certain tests. Obviously, scientists need to rely on more than popular notions to make connections, if any, between left-handed people and success.

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December 13 2014

BPA in Cans and Plastic Bottles Linked to Quick Rise in Blood Pressure


People who regularly drink from cans and plastic bottles may want to reconsider: A new study shows that a common chemical in the containers can seep into beverages and raise blood pressure within a few hours.


Related: That Takeout Coffee Cup May Be Messing With Your Hormones

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December 13 2014

Scientists make 'feel full' chemical


Scientists have created a chemical that can be added to food to make people feel full. Initial tests showed it helped people to eat less and slow weight gain.

It harnessed the power of a proprionate, which naturally makes us feel full when it is produced by breaking down fibre in the gut.

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December 13 2014

A pill for obesity? Stem cell scientists convert white fat to brown fat


Researchers have taken what they are describing as 'the first step toward a pill that can replace the treadmill' for the control of obesity -- though it, of course, would not provide all the additional benefits of exercise. The researchers have already identified two compounds that can accomplish that in human cells.

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December 13 2014

Could Drugs Heal A Broken Heart?


Love and heartache have always been inexorably tied. Recall the paranoid, lust-dizzy characters in A Midsummer Night’s Dream or the tortured, memory-deprived lovers in Eternal Sunshine of the Spotless Mind. Wouldn’t it be nice if a pill could take away the pain of a breakup? Researchers are looking into it.

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December 13 2014

Men really are more stupid than women, research shows


It's enough to start a new battle of the sexes, but when it comes to needless and untimely deaths, men win hands down.

A 20 year study of the Darwin Awards, an annual review of the most foolish way people have died, found almost 90 per cent were 'won' by males.


Alt: Study supports the theory that 'men are idiots'

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December 13 2014

Study: Women With More Male Friends Have More Sex Because Partners Fear ‘Sex Rivals’


Women who hang out with more male friends and co-workers have more frequent sex with their boyfriends than women who have fewer male influences in their life.

The study — published in the Journal of Comparative Psychology — finds that men often perceive their female partner’s abundance of male friends to be a form of “sperm competition psychology,” in which the men have more sex with their girlfriends due to the potential of “sex rivals.”.

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December 13 2014

Women's high heels influence male behaviour, says study


If a woman expects help and attention on the street, she ought to try wearing high-heels, suggests the author of French online journal Archives of Sexual Behaviour.

In a four-part sociological study, a group of researchers from the Université de Bretagne-Sud, in Lorient, conducted a range of experiments demonstrating that men behave more favourably towards a woman if she is wearing high-heeled shoes.


Alt: High heels scientifically proven to increase women’s attractiveness

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