Monday, May 6, 2013

Utah cabin had uninvited guests _ 60,000 bees

In this early April 2013 photo provided by Ogden beekeeper Vic Bachman, Bachman, left, and partner Nate Hall prepare to remove a 12-foot-long beehive from an A-frame cabin in Eden, Utah. It was the biggest beehive the Utah beekeepers have ever removed, containing about 60,000 honeybees. (AP Photo/Courtesy Vic Bachman)

In this early April 2013 photo provided by Ogden beekeeper Vic Bachman, Bachman, left, and partner Nate Hall prepare to remove a 12-foot-long beehive from an A-frame cabin in Eden, Utah. It was the biggest beehive the Utah beekeepers have ever removed, containing about 60,000 honeybees. (AP Photo/Courtesy Vic Bachman)

This early April 2013 photo provided by Ogden beekeeper Vic Bachman shows an A-frame cabin in Eden, Utah, where a 12-foot-long beehive was removed by Bachman. It was the biggest beehive he says he?s ever seen in the state of Utah, containing about 60,000 honeybees. Utah calls itself the Beehive state, a symbol of industriousness. Whether this was Utah?s largest beehive is unknown. (AP Photo/Courtesy Vic Bachman)

In this early April 2013 photo provided by Ogden beekeeper Vic Bachman, Bachman, left, assisted by partner Nate Hall, uses a vacuum cleaner to collect about 60,000 honeybees from a 12-foot-long beehive from an A-frame cabin in Eden, Utah. It was the biggest beehive the Utah beekeepers have ever removed. (AP Photo/Courtesy Vic Bachman)

SALT LAKE CITY (AP) ? It was the biggest beehive that that Ogden beekeeper Vic Bachman has ever removed ? a dozen feet long, packed inside the eve of a cabin in Ogden Valley.

"We figure we got 15 pounds of bees out of there," said Bachman, who said that converts to about 60,000 honeybees.

Bachman was called to the A-frame cabin last month in Eden, Utah. Taking apart a panel that hid roof rafters, he had no idea he would find honeycombs packed 12 feet long, 4 feet wide and 16 inches deep.

The honeybees had been making the enclosed cavity their home since 1996, hardly bothering the homeowners. The cabin was rarely used, but when the owners needed to occupy it while building another home nearby, they decided the beehive wasn't safe for their two children. A few bees had found their way inside the house, and the hive was just outside a window of a children's bedroom.

They didn't want to kill the honeybees, a species in decline that does yeoman's work pollinating flowers and crops.

So they called Bachman, owner of Deseret Hive Supply, a hobbyist store that can't keep up with demand for honeybees. Bachman used a vacuum cleaner to suck the bees into a cage.

"It doesn't hurt them," he said.

The job took six hours. At $100 an hour, the bill came to $600.

"The bees were expensive," said Paul Bertagnolli, the cabin owner. He was satisfied with the job.

Utah calls itself the Beehive state, a symbol of industriousness. Whether this was Utah's largest beehive is unknown, but Bachman said it would rank high.

"It's the biggest one I've ever seen," he said. "I've never seen one that big."

He used smoke to pacify the bees, but Bertagnolli said honeybees are gentle creatures unlike predatory yellow jackets or hornets, which attack, rip apart and eat honeybees, he said.

"They just want to collect nectar and come back to the hive," he said. "Most people never get stung by honeybees ? it's a yellow jacket."

Bertagnolli reassembled the hive in a yard of his North Ogden home, while saving some of the honeycomb for candles and lotions at his store. He left other honeycombs for the cabin owners to chew on.

"We caught the queen and were able to keep her," Bertagnolli said. "The hive is in my backyard right now and is doing well."

Associated Press

Source: http://hosted2.ap.org/APDEFAULT/aa9398e6757a46fa93ed5dea7bd3729e/Article_2013-05-05-Giant%20Beehive/id-3772b5db289e4f57a909b823eb94c955

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It's Monday, and you know what that means; another Engadget HD Podcast. We hope you will join us live when the Engadget HD podcast starts recording at 8:30PM. If you'll be joining us, be sure to go ahead and get ready by reviewing the list of topics after the break, then you'll be ready to participate in the live chat.

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Source: http://feeds.engadget.com/~r/weblogsinc/engadget/~3/3qEyPH3rJxo/

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Saturday, May 4, 2013

'Going negative' pays for nanotubes

May 3, 2013 ? A Rice University laboratory's cagey strategy turns negatively charged carbon nanotubes into liquid crystals that could enhance the creation of fibers and films.

The latest step toward making macro materials out of microscopic nanotubes depends on cage-like crown ethers that capture potassium cations. Negatively charged carbon nanotubes associate with potassium cations to maintain their electrical neutrality. In effect, the ethers help strip these cations from the surface of the nanotubes, resulting into a net charge that helps counterbalance the electrical van der Waals attraction that normally turns carbon nanotubes into an unusable clump.

The process by Rice chemist Angel Mart?, his students and colleagues was revealed in the American Chemical Society journal ACS Nano.

Carbon nanotubes have long been thought of as a potential basis for ultrastrong, highly conductive fibers -- a premise borne out in recent work by Rice professor and co-author Matteo Pasquali -- and preparing them has depended on the use of a "superacid," chlorosulfonic acid, that gives the nanotubes a positive charge and makes them repel each other in a solution.

Mart? and first authors Chengmin Jiang and Avishek Saha, both graduate students at Rice, decided to look at producing nanotube solutions from another angle. "We saw in the literature there was a way to do the opposite and give the surface of the nanotubes negative charges," Mart? said. It involved infusing single-walled carbon nanotubes with alkali metals, in this case, potassium, and turning them into a kind of salt known as a polyelectrolyte. Mixing them into an organic solvent, dimethyl sulfoxide (DMSO), forced the negatively charged nanotubes to shed some potassium ions and repel each other, but in concentrations too low for extruding into fibers and films.

That took the addition of ether molecules known as 18-crown-6 for their crown-like atomic arrangements. The crowns have a particular appetite for potassium; they strip the remaining ions from the nanotube walls and sequester them. The tubes' repulsive qualities become greater and allow for more nanotubes in a solution before van der Waals forces them to coagulate.

At critical mass, nanotubes suspended in solution run out of room and form a liquid crystal, Mart? said. "They align when they get so crowded in the solution that they cannot pack any closer in a randomly aligned state," he said. "Electrostatic repulsions prevent van der Waals interactions from taking over, so nanotubes don't have another choice but to align themselves, forming liquid crystals."

Liquid crystalline nanotubes are essential to the production of strong, conductive fiber, like the fiber achieved with superacid suspensions. But Mart? said going negative means nanotubes can be more easily functionalized -- that is, chemically altered for specific uses.

"The negative charges on the surface of the nanotubes allow chemical reactions that you cannot do with superacids," Mart? said. "You may, for example, be able to functionalize the surface of the carbon nanotubes at the same time you're making fiber. You might be able to crosslink nanotubes to make a stronger fiber while extruding it.

"We feel we're bringing a new player to the field of carbon nanotechnology, especially for making macroscopic materials," he said.

Co-authors of the paper are Rice graduate students Changsheng Xiang and Colin Young James Tour, the T.T. and W.F. Chao Chair in Chemistry as well as a professor of mechanical engineering and materials science and of computer science. Pasquali is a professor of chemical and biomolecular engineering and of chemistry. Mart? is an assistant professor of chemistry and bioengineering.

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The above story is reprinted from materials provided by Rice University. The original article was written by Mike Williams.

Note: Materials may be edited for content and length. For further information, please contact the source cited above.


Journal Reference:

  1. Chengmin Jiang, Avishek Saha, Changsheng Xiang, Colin C. Young, James M. Tour, Matteo Pasquali, Angel A. Mart. Increased Solubility, Liquid-Crystalline Phase, and Selective Functionalization of Single-Walled Carbon Nanotube Polyelectrolyte Dispersions. ACS Nano, 2013; : 130416090924009 DOI: 10.1021/nn4011544

Note: If no author is given, the source is cited instead.

Disclaimer: Views expressed in this article do not necessarily reflect those of ScienceDaily or its staff.

Source: http://feeds.sciencedaily.com/~r/sciencedaily/top_news/top_technology/~3/03BAx5HAItY/130503114718.htm

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Human brain cells developed in lab, grow in mice

May 3, 2013 ? A key type of human brain cell developed in the laboratory grows seamlessly when transplanted into the brains of mice, UC San Francisco researchers have discovered, raising hope that these cells might one day be used to treat people with Parkinson's disease, epilepsy, and possibly even Alzheimer's disease, as well as and complications of spinal cord injury such as chronic pain and spasticity.

"We think this one type of cell may be useful in treating several types of neurodevelopmental and neurodegenerative disorders in a targeted way," said Arnold Kriegstein, MD, PhD, director of the Eli and Edythe Broad Center of Regeneration Medicine and Stem Cell Research at UCSF and co-lead author on the paper.

The researchers generated and transplanted a type of human nerve-cell progenitor called the medial ganglionic eminence (MGE) cell, in experiments described in the May 2 edition of Cell Stem Cell. Development of these human MGE cells within the mouse brain mimics what occurs in human development, they said.

Kriegstein sees MGE cells as a potential treatment to better control nerve circuits that become overactive in certain neurological disorders. Unlike other neural stem cells that can form many cell types -- and that may potentially be less controllable as a consequence -- most MGE cells are restricted to producing a type of cell called an interneuron. Interneurons integrate into the brain and provide controlled inhibition to balance the activity of nerve circuits.

To generate MGE cells in the lab, the researchers reliably directed the differentiation of human pluripotent stem cells -- either human embryonic stem cells or induced pluripotent stem cells derived from human skin. These two kinds of stem cells have virtually unlimited potential to become any human cell type. When transplanted into a strain of mice that does not reject human tissue, the human MGE-like cells survived within the rodent forebrain, integrated into the brain by forming connections with rodent nerve cells, and matured into specialized subtypes of interneurons.

These findings may serve as a model to study human diseases in which mature interneurons malfunction, according to Kriegstein. The researchers' methods may also be used to generate vast numbers of human MGE cells in quantities sufficient to launch potential future clinical trials, he said.

Kriegstein was a co-leader of the research, along with Arturo Alvarez-Buylla, PhD, UCSF professor of neurological surgery; John Rubenstein, MD, PhD, UCSF professor of psychiatry; and UCSF postdoctoral scholars Cory Nicholas, PhD, and Jiadong Chen, PhD.

Nicholas utilized key growth factors and other molecules to direct the derivation and maturation of the human MGE-like interneurons. He timed the delivery of these factors to shape their developmental path and confirmed their progression along this path. Chen used electrical measurements to carefully study the physiological and firing properties of the interneurons, as well as the formation of synapses between neurons.

Previously, UCSF researchers led by Allan Basbaum, PhD, chair of anatomy at UCSF, have used mouse MGE cell transplantation into the mouse spinal cord to reduce neuropathic pain, a surprising application outside the brain. Kriegstein, Nicholas and colleagues now are exploring the use of human MGE cells in mouse models of neuropathic pain and spasticity, Parkinson's disease and epilepsy.

"The hope is that we can deliver these cells to various places within the nervous system that have been overactive and that they will functionally integrate and provide regulated inhibition," Nicholas said.

The researchers also plan to develop MGE cells from induced pluripotent stem cells derived from skin cells of individuals with autism, epilepsy, schizophrenia and Alzheimer's disease, in order to investigate how the development and function of interneurons might become abnormal -- creating a lab-dish model of disease.

One mystery and challenge to both the clinical and pre-clinical study of human MGE cells is that they develop at a slower, human pace, reflecting an "intrinsic clock." In fast-developing mice, the human MGE-like cells still took seven to nine months to form interneuron subtypes that normally are present near birth.

"If we could accelerate the clock in human cells, then that would be very encouraging for various applications," Kriegstein said.

Other UCSF co-authors of the Cell Stem Cell study include Yunshuo Caroline Tang, a MD/PhD student; research specialists Nadine Chalmers and Christine Arnold; and UCSF postdoctoral fellows Daniel Vogt, PhD, and Ying-Jiun Chen, PhD.

Additional co-authors are Stanford University neurosurgery resident Derek Southwell, MD, PhD; Monash University professors of immunology and stem cell research Edouard Stanley, PhD, and Andrew Elefanty, PhD; and Yoshiki Sasai, PhD, from the RIKEN Center for Developmental Biology.

The research was funded by the California Institute of Regenerative Medicine, the National Institutes of Health, and the Osher Foundation. Arnold Kriegstein, Arturo Alvarez-Buylla, John Rubenstein, and Cory Nicholas are co-founders and shareholders of Neurona Therapeutics. An application for a patent, "In Vitro Production of Medial Ganglionic Eminence Precursor Cells," has been filed.

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Story Source:

The above story is reprinted from materials provided by University of California, San Francisco (UCSF), via Newswise.

Note: Materials may be edited for content and length. For further information, please contact the source cited above.


Journal Reference:

  1. Cory?R. Nicholas, Jiadong Chen, Yunshuo Tang, Derek?G. Southwell, Nadine Chalmers, Daniel Vogt, Christine?M. Arnold, Ying-Jiun?J. Chen, Edouard?G. Stanley, Andrew?G. Elefanty, Yoshiki Sasai, Arturo Alvarez-Buylla, John?L.R. Rubenstein, Arnold?R. Kriegstein. Functional Maturation of hPSC-Derived Forebrain Interneurons Requires an Extended Timeline and Mimics Human Neural Development. Cell Stem Cell, 2013; 12 (5): 573 DOI: 10.1016/j.stem.2013.04.005

Note: If no author is given, the source is cited instead.

Disclaimer: This article is not intended to provide medical advice, diagnosis or treatment. Views expressed here do not necessarily reflect those of ScienceDaily or its staff.

Source: http://feeds.sciencedaily.com/~r/sciencedaily/most_popular/~3/P711yUt8JeY/130503230313.htm

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Friday, May 3, 2013

Abortion: Is it society's fault? - Live Action News

Opinion

There used to be a time when the economy was stable, women stayed home and took care of the children and the household, and men were the breadwinners. However, everlasting wars brought on a growing economy that needed women. Men were out fighting, and women wanted to work. They needed to work.

From 1920 to 1973, the American social landscape changed. While men were off at war, women had to take factory jobs to help support the American economy. Women faced discrimination in the workplace and in efforts to gain political office. Women?s rights group became more active as women around the world as other countries and cultures began to promote programs and beliefs that women had the right to self determination.

As the economy grew and there were more jobs, women needed a place in the workplace, and they believed that they needed ?self-determination.?

But what did this mean? And how far would it go? Should women be allowed to determine the totality of their own futures, even if it meant killing their children in the process? Or was there a line where self-determination ended? When Roe v. Wade was handed down in 1973, abortion became readily available for women who had ?obstacles? in their way that would keep them from fulfilling their life plans.

Women Being Driven by Their Image of Men

Because of Roe -?one court decision ? abortions were somehow now acceptable. Any obstacles that stood in a woman?s way of getting her education or starting her career were fair game for destruction ? even her children. Because after all, a women should be?just like a man in every way. She could go to school like a man, have sex like a man, go to work like a man, and not have to carry children like a man.

Pregnant woman at work with laptop looking stressedYet in this drive to be just like men in every single way, someone forgot that women are uniquely designed to give birth to the human race. We are women for a reason. We are nurturing for a reason ? it?s simply a matter of design. Several recent editorials have voiced the view that women ought to realize their right to be mothers and the need for them to be just that.

Somehow, many women have lost their way and allowed their image of what a man is to drive all their ambitions. We need to stand up for ourselves ? as women ? to society and stand up for the real feminism. Real feminism is being feminine, being women. We can do things that men can do, but we can also do things that we were meant to do. We shouldn?t have to give up our basic instincts to adjust to society?s standards. Our gender has been changing over the years in a very unnatural way.

Is Society to Blame?

The problem largely lies in our society ? that it tempts us to be whatever we want to be, regardless of whether or not we?should be that. We are able to be sexual beings and do whatever we want while ignoring the consequences. Many in society think this is liberating, but freedom to do as we please while killing others in the process is pure selfishness, plain and simple.

It?s not true freedom if the weakest of our society have no say in whether they live or die. Freedom to be born and the basic right to life should comprise our one foundational human right, since without this right, nothing else matters.

The media depicts sex constantly. Schools teach sexual education while influencing teens to believe that unintended pregnancies are shameful. They also teach teens that if they don?t get a college degree or some sort of career, they are not contributing members of society.

A living, unique human with rights - not just a "clump of cells"

A living, unique human with rights ? not just a ?clump of cells?

How on earth can young girls who are thrown into a society that shames pregnancy and glorifies sex ever grow to be pro-motherhood? How can girls be taught to value family life when they are told that obtaining a career is more important and more necessary?? They are taught that it is okay to have a choice with their bodies, but what about the baby?s body? If the baby is not wanted, then society teaches these girls that he is not a body or a person or even human, for that matter. Society tells our girls that their babies are clumps of cells that will eventually take over their lives, sort of like a cancer.

A human is not a cancer. Instead, the views of our society are a cancer that will destroy our human civilization if it continues as it is. If procreation is seen as wrong, then what is right to our society? Is living how we want, and leaving no future to the human race, the right thing to do? Is killing our children what society wants? Is getting a career and leaving no room for children and family the most important thing to do?

Our population will diminish to nothing if we continue to kill ourselves off. Slowly but surely, our human race is diminishing, and for what? To live selfishly and do as we please? By doing so, we are leaving the earth empty.

Conclusion

So is abortion society?s fault? It is everyone?s fault. Our society as a whole is to blame. The lawmakers, the parents, the teachers, the women, the men, the media, and everyone else who allows this war to go on ? no one who stands by is faultless. We are fighting a war against ourselves, and this war must be stopped.

As Martin Luther King, Jr. once said, ?[t]o ignore evil is to become an accomplice to it.? We must not sit by and watch as our most innocent and defenseless brothers and sisters are killed because of society?s problem with telling women that they must not kill their children. That should be a given. We must all be soldiers and peacefully fight in this war. These babies have no voice to speak for themselves. We must be that voice. To be anything else is inhuman.

About MJ Zacreska

Source: http://liveactionnews.org/abortion-is-it-societys-fault/

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Ex-lawyer convicted in terror case seeks release

NEW YORK (AP) ? Buoyed by supporters and a petition with nearly 13,000 signatures, a once-prominent New York civil rights lawyer said she has received a federal prison's backing for compassionate release from her terrorism case sentence while she fights advanced-stage cancer.

Lynne Stewart said in a statement released by her husband this week that Texas prison medical authorities recommended she be released from her 10-year sentence, an application that would need approval by the courts and the Federal Bureau of Prisons.

Stewart, 73, said the medical authorities recommended to the warden at the Federal Medical Center Carswell in Fort Worth, Texas that her treatment would benefit from compassionate release, a rarely granted provision of regulations letting inmates leave prison early for "extraordinary and compelling reasons." The warden then forwarded the application to Washington, Stewart and her supporters said.

Stewart has been imprisoned since late 2009 when a federal appeals court in Manhattan called a judge's two-year, four-month prison sentence too lenient. She was resentenced to 10 years for a 2005 conviction on conspiracy charges for providing support to terrorist organizations by letting an Egyptian terrorism defendant serving a life sentence communicate with followers.

At her first sentencing, U.S. District Judge John G. Koeltl cited her more than three decades of dedication to poor, disadvantaged and unpopular clients, calling the work that left her destitute a public service "not only to her clients but to the nation."

She said prison employees had doubted her chances at early release.

"Then I had this white blood cell setback, making me super-vulnerable and was quarantined for a week," Stewart said, citing a medical result that concluded she was vulnerable to the germs of others. She said she learned upon release from quarantine Friday that prison authorities concluded compassionate release was warranted.

"I must say that I was in a state of bliss," Stewart said.

Bureau of Prisons spokeswoman Traci Billingsley said Wednesday that privacy concerns prevent the bureau from providing information about Stewart's case.

She said the bureau's compassionate release policy makes some inmates eligible for release if they have been diagnosed with an incurable disease and life expectancy is 18 months or less.

In a study last year, Human Rights Watch and Families Against Mandatory Minimums said only about two dozen cases from among more than 215,000 federal inmates are recommended for compassionate release annually. A report called on Congress to enact legislation to let prisoners seek early release directly from courts.

Mya Shone, a Stewart supporter in Vallejo, Calif., said nearly 13,000 signatures had been collected to support Stewart's early release. Those signing include Archbishop Desmond Tutu, actor Ed Asner, singer Pete Seeger and Bianca Jagger. Comedian and activist Dick Gregory went on a hunger strike to show support.

She said Stewart had battled breast cancer before her incarceration, along with diabetes and high blood pressure, but it seemed in remission until it was found last June to have spread to the lungs.

Stewart's husband, Ralph Poynter, said Stewart had lost about 60 pounds in recent months but not her humor.

"She says, 'Now the good news, I'm losing weight,'" Poynter said. "We're crossing our fingers, praying to all the gods that we have and the ones that we don't have."

Source: http://news.yahoo.com/ex-lawyer-convicted-terror-case-seeks-release-170808262.html

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