Beyonce, Colin Farrell head for the woods in "Epic"

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Tivoli Audio Radio Silenz

Tivoli Audio is known for its expensive speakers and sound systems designed with a minimalist retro vibe that often utilizes pretty wood or brightly colored plastic. The company is not known for headphones, for the simple reason that, until now, it had never released a pair. The Audio Radio Silenz is the debut headphone model from the audio and design icon, and at $159.99 (list), it's surprisingly more affordable than most Tivoli products. As the name implies, this is an active noise-cancellation pair, which seems like a gutsy move for a company that has never even attempted a standard pair of headphones. In short, the Radio Silenz suffers from some rookie mistakes, like a superfluous volume knob that can lead to distortion issues and noise-cancellation that, while effective, also adds some noticeable high pitch hiss to the equation. Luckily, at moderate volumes, the headphones sound great?and like all things Tivoli, they're good looking, too.

Design
The Radio Silenz uses wood for the housings of its earpieces, offered in three different finishes: black ash, walnut, or cherry. On each earpiece, the Tivoli logo is etched into the wood, just above the visible microphones used for detecting ambient room noise as well as amplifying room noise (all part of the noise-cancellation process). The black pads on the earcups are not the most plush we've felt, but they are not uncomfortable?they could be described as firm. The metallic headband adjusters recede into or expand from a black plastic covering, and the headband is covered in black leather that provides a bit of cushion over your scalp.

A black cable connects with the left ear, with the shirt-clip compartment that houses the noise-cancellation circuitry and the single AA battery (one is included, and Tivoli estimates a battery life of about 50 hours). The compartment also has a "Defeat" button, which mutes audio playback and boosts the ambient microphone feed so you can better hear your surroundings without needing to remove the headphones. Also on the compartment are a Power switch that engages the noise-cancellation (the Radio Silenz can output audio when in passive mode), and a volume knob. You get no mobile phone controls or microphone for calls.?The headphones ship with a not-so-protective, unpadded carrying pouch that they can fold down flat into, along with an airplane jack adapter.?

Performance
Unfortunately, the volume knob is an unnecessary addition that has the potential to cause distortion if your sound source's volume and the headphone volume are both too loud. Most headphones don't include an independent volume control, for this very reason. Some do offer volume controls that actually adjust the sound source's volume, as is the case with many iPhone-friendly models. If you were to max out both your sound source's volume and your headphone volume, you'd likely be in for an ugly (and painful) surprise.

The best sound I got out of my iPhone source was acheived by putting it close to maximum volume, and slowly adding volume on the headphones. Other combinations can work as well, such as maxing out the headphones (or coming close) and lowering your source volume significantly. In these two cases, I found the Radio Silenz to have a beautiful, crisp, articulate response?not bass-heavy in the slightest, but armed with subtle low-end. It's a sound signature that, oddly, reminded me of the in-canal? Etymotic ER-4PT ($299, 4.5 stars), but with a bit more bass boost.

Deep bass tracks like The Knife's "Silent Shout" have plenty of low-end presence, but this is not a subwoofer-like Beats by Dr. Dre ($349.95, 4 stars) bass response?it's much more of an audiophile-friendly flat response. Unfortunately, these deep bass tracks can get a bit distorted at top volumes, but you shouldn't be listening at those levels anyway. At moderate volumes, deep bass tracks sound more balanced than they do on a booming pair of headphones.

In my tests, John Adams' modern classical piece "The Chairman Dances" sounded bright and beautiful, though it sometimes felt like it was missing a hint of deeper resonance on the lower register strings and percussion, and very occasionally, usually with stringed instruments, some notes sounded a bit harsh at higher volumes. For the most part, however, the sound signature suits orchestral music very well, and many bass-heavy genres benefit from the Radio Silenz's more refined, articulate response.

That said, the noise-cancellation is not the best we've tried. It immediately reminded me of the Sony XBA-NC85D ($499.99, 3 stars), a in-ear pair with some audible noise-cancellation hiss issues. The hiss, no matter how much low and middle frequency ambient droning it can eliminate, is quite noticeable, and even audible over the music. The industry standard Bose QuietComfort15 ($299.95, 4 stars) does not have this problem. Of course, it is also almost twice the price.

The best-sounding, most affordably priced pair we've tested recently is the AKG K 490 NC ($249.95, 4.5 stars). Unlike the Radio Silenz, the K 490 NC does not suffer from hiss issues. But below $200, your options are limited. The in-ear Phiaton PS 20 NC ($149, 4 stars) is a bit less expensive than the Radio Silenz, and it doesn't distort at high volumes, though it does have a bit of a hiss issue, too. Overall, I like the Radio Silenz as a straight-up headphone pair?I wish that it didn?t have any noise-cancellation circuitry, bulky shirt-clip, or added volume control. If you're a fan of crisp audio and looking for a pair that offers a certain degree of noise-cancellation at a reasonable price, the Radio Silenz is a good-looking option worth checking out, but it's far from flawless.

More Headphone Reviews:
??? Tivoli Audio Radio Silenz
??? Bowers & Wilkins P3
??? MEElectronics A161P
??? Samsung EHS70
??? SMS Audio Sync by 50
?? more

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Chris Hayes Apologizes For Criticism of Calling Fallen Soldiers "Heroes"

MSNBC's Chris Hayes sparked major controversy and debate when he said that he felt uncomfortable using the word "hero" for members of the U.S. military.

Hayes' point was that the word is inadvertently used to start more potentially unjust wars - not unreasonable - but now says his own word choice was poor.

After speaking with a former Marine whose job it was to notify families of the death of soldiers, he said that while he means no disrespect to those who serve us all, the word "seems to be rhetorically proximate to justifications for more war."

Chris Hayes Asks: Are Military Men Heroes?

Hayes also said that, on the flip side, it is "noble" to join the military.

While a "liberal caricature" like himself would not truly understand "submitting so totally to what the electorate or people in power are going to decide about using your body," Hayes conceded, he saw valor in it.

Nevertheless, Hayes' words, on Memorial Day of all days, caused a predictable furor with some. He issued a statement Monday apologizing for his comments:

In discussing the uses of the word "hero" to describe those members of the armed forces who have given their lives, I don't think I lived up to the standards of rigor, respect and empathy for those affected by the issues we discuss that I've set for myself.

I am deeply sorry for that.

As many have rightly pointed out, it's very easy for me, a TV host, to opine about the people who fight our wars, having never dodged a bullet or guarded a post or walked a mile in their boots.

Of course, that is true of the overwhelming majority of our nation's citizens as a whole. One of the points made during Sunday's show was just how removed most Americans are from the wars we fight, how small a percentage of our population is asked to shoulder the entire burden and how easy it becomes to never read the names of those who are wounded and fight and die, to not ask questions about the direction of our strategy in Afghanistan, and to assuage our own collective guilt about this disconnect with a pro-forma ritual that we observe briefly before returning to our barbecues.

But in seeking to discuss the civilian-military divide and the social distance between those who fight and those who don't, I ended up reinforcing it, conforming to a stereotype of a removed pundit whose views are not anchored in the very real and very wrenching experience of this long decade of war. And for that I am truly sorry.

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Obesity and Metabolic Syndrome, How your Heart work for Quality Life

"Insulin is like a 'key' that unlocks the cell wall allowing the passage of nutrients, but there comes a time that leaves open the 'doors' that allow the passage of sugar inside cells and stays in the bloodstream. This phenomenon is known as insulin resistance or insulin resistance, and is the source of dysfunction syndrome. "

The insulin resistance is the beginning of a domino effect, since glucose is converted into fat (triglycerides or standby power) that travels in the blood, while the excess fat in the body produces elevated low-density lipoprotein, better known as "bad" cholesterol (LDL). The increase of these substances or dyslipidemia gives rise to clusters or cover material hardens veins and arteries (atherosclerosis).

Moreover, genetic factors, poor stress management and narrowing of blood lines make the heart work harder to pump blood, so the pressure on the walls of veins and arteries increases, giving rise to hypertension.

The passage of time and lack of preventive measures make this situation worse and, depending on each person's body, some of these problems will become more noticeable and condition the emergence of major diseases.

Thus, when the exertion of depletes the pancreas produce insulin diabetes is diagnosed, while rupture of blood vessels in heart or brain, from the high rate of fat and favored by high blood pressure, may cause myocardial infarction and accident stroke. Similarly, when the most affected organ is the kidney, we present inability to filter blood (kidney failure) to some degree.

Diagnosis and treatment
Fortunately, such an unfavorable outlook for the future can be reversed when diagnosis and treatment. Thus, it is important to know the symptoms of metabolic syndrome and learn to recognize to prevent severe damage to the quality of life:
* Abdominal obesity. Is set when the measurement of the waist circumference is greater than 102 centimeters and 88 centimeters in men and women.
* High blood pressure, i.e., 130/85 or greater.
* High level of fasting glucose above 110 milligrams per deciliter (mg / dl).
* Enhanced levels of triglycerides, i.e. above 150 mg / dl.
* Low levels of "good" cholesterol (HDL), we consider values below 40 mg / dl in men and 50 mg / dl in women.

The insulin resistance syndrome is diagnosed when you have three forms, but due to the difficulty of knowing some of them, the specialist advises everyone to take the waistline and, if they meet or exceed the indicated parameters, go to physician (internist, endocrinologist, nutritionist) to conduct specialized studies and initiate preventive treatment.

"We know that we have genetic predisposition to diabetes and metabolic syndrome, and that we can not change, but also found that, despite this, follow appropriate and timely action is enough to stop the progression of this problem that affects both our people. "

Therefore, the recommendation of the specialist is in compliance with specific points that have proven their effectiveness:
I. Aerobic exercise. Running, dancing, cycling or sports require intense set of lungs and heart, while increasing the working capacity of the circulatory system and regulate fat levels, glucose and blood pressure. For practical purposes, is estimated to be enough walking for 45 minutes daily.
II. Improving nutrition. The World Health Organization (WHO) recommends that only 30% or less of total food consumed is of animal origin, giving preference to fat-free meat, fish or poultry, and instead increase the number of grains, fruits and vegetables in the diet. Any doubts must be consulted a nutritionist to get best results.
III. Losing weight. The benefits derived from abdominal fat loss are notable not only in reducing harmful cholesterol in blood, but it is known that blood pressure improvement.
IV. Obeying doctor's orders. It is essential that if you have established the use of a drug administration to follow the letter, and also to eradicate harmful substances for the circulation and the functioning of insulin, in particular, alcohol and snuff.

The importance of addressing this problem is time on two grounds: "first, because diabetes, hypertension and stroke has a high social cost, to the extent that this attention absorbed 25% of the budget, above all, because the metabolic syndrome, even in its early stages, significantly increases the probability of death due to circulatory system problems."

Finally, "obesity and metabolic syndrome should be referred to as diseases that are incurable, but manageable. With down from 5% to 10% of usual body weight lowers blood pressure, improves fat profile and sugar, as insulin is increased and reduces the likelihood of blockage or rupture of blood vessels. Education, nutrition and exercise are the tools we have, so we have to implement them. "
?

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Speaking vs Writing ? ms. weir's musings

29 May

One thing I?ve really been struggling with lately, is the idea of assessing some students who are strong speakers, but weak writers. I know in our curriculum, oral communication and writing both are worth 25% of the student?s overall grade, but it really brings down the mark of a student if they are strong in one area, but weak in the other.

I?m wondering if our grading system needs an overhaul? With the advent of technologies like Dragon Dictation and the voice to text application on the New iPad, are we really going to need to know how to physically hand write or type? I?m sure some people will still prefer these methods, but the technology is already here so that those skills are becoming antiquated. I mean, my toddler won?t really need to know how to physically write since we already have verbal means for her to communicate and have it be turned to text.

So it leaves me wondering. Are we giving these students grades lower than they deserve because they can?t express their ideas well in a written format? Do we need to revisit the curriculum standards?

As a disclaimer, this message is not meant to suggest that writing is becoming antiquated. The ability to coherently express one?s ideas is always an important skill. I?m more so suggesting that the physical actions of hand writing and typing, in my opinion, will become antiquated skills at some point in the future.

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Western powers expel Syrian envoys over massacre

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