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Lack of thyroid hormone blocks hearing development

2014-09-22
Fatigue, weight gain, chills, hair loss, anxiety, excessive perspiration — these symptoms are a few of the signs that the thyroid gland, which regulates the body's heart rate and plays a crucial role in its metabolism, has gone haywire. Now, new research from Tel Aviv University points to an additional complication caused by thyroid imbalance: congenital deafness. The study, published in Mammalian Genome, was conducted by Prof. Karen B. Avraham and Dr. Amiel Dror of the Department of Human Molecular Genetics and Biochemistry at TAU's Sackler School of Medicine. Using ...

Some concussion education more useful than others, parents say

2014-09-22
ANN ARBOR, Mich. – Many parents whose kids participate in athletics will be asked to sign a waiver about concussion education, but that's not enough to ensure parents are confident about handling the injury, according to a new University of Michigan C.S. Mott Children's Hospital National Poll on Children's Health. In the poll, about half of the 912 parents of middle and high school children surveyed reported participation in some type of concussion education: 23% have read a brochure or online information 17% have watched a video or attended a presentation ...

King Fire rages on in Eldorado National Forest

King Fire rages on in Eldorado National Forest
2014-09-22
Evacuations of 2,819 people have occurred in the wake of the huge King Fire blazing out of control near the Eldorado National Forest. The King Fire is burning in steep terrain in the South Fork of the American River Canyon, Silver Creek Canyon, and the Rubicon Canyon, north of the community of Pollock Pines. The fire has crossed into Placer County and burned onto the Tahoe National Forest north of the Eldorado National Forest. The anticipated spread is expected to be minimal on Sept. 22 due to thunderstorms that moved through the area overnight, bringing lightning and ...

Blood test may help determine who is at risk for psychosis

Blood test may help determine who is at risk for psychosis
2014-09-22
A study led by University of North Carolina at Chapel Hill researchers represents an important step forward in the accurate diagnosis of people who are experiencing the earliest stages of psychosis. Psychosis includes hallucinations or delusions that define the development of severe mental disorders such as schizophrenia. Schizophrenia emerges in late adolescence and early adulthood and affects about 1 in every 100 people. In severe cases, the impact on a young person can be a life compromised, and the burden on family members can be almost as severe. The study published ...

NASA's TRMM satellite tallies Hurricane Odile's heavy rainfall

NASA's TRMM satellite tallies Hurricane Odile's heavy rainfall
2014-09-22
During the week of Sept. 15, Hurricane Odile and its weakened remnants produced heavy rainfall that caused dangerous flooding over Mexico's Baja California peninsula and southwestern United States. NASA's Tropical Rainfall Measuring Mission or TRMM satellite gathers data on rainfall that was used to create a map that showed estimated totals that in one case neared almost three feet! Some of Odile's may have been welcomed in the U.S. Southwest where some areas have been experiencing extreme to exceptional drought conditions, but some was extreme and led to flooding. TRMM ...

Dartmouth's new ZEBRA bracelet strengthens computer security

2014-09-22
In a big step for securing critical information systems, such as medical records in clinical settings, Dartmouth College researchers have created a new approach to computer security that authenticates users continuously while they are using a terminal and automatically logs them out when they leave or when someone else steps in to use their terminal. Dartmouth's Trustworthy Health and Wellness (THaW)/ researchers recently presented their findings at the IEEE Symposium on Security & Privacy. Common authentication methods based on passwords, tokens or fingerprints perform ...

NASA sees Tropical Storm Fung-Wong move through East China Sea

NASA sees Tropical Storm Fung-Wong move through East China Sea
2014-09-22
Tropical Storm Fung-Wong weakened over the weekend of Sept. 20-21 as it moved over Taiwan and approached Shanghai, China. NASA's Aqua satellite captured an image of Tropical Storm Fung-Wong when it was approaching Taiwan on Sept. 20 at 1:35 a.m. EDT. On Sunday, Sept. 21, Tropical Storm Fung-Wong was over Taiwan. It was centered at 26.0 north latitude and 122.0 east longitude, just 60 miles north-northeast of Taipei, Taiwan and moving to the north. Maximum sustained winds were near 50 knots (57 knots/92.6 kph). By Monday, Sept. 22, Fung-Wong's center was approaching ...

University of Southern California researchers reveal how gene expression affects facial expressions

University of Southern California researchers reveal how gene expression affects facial expressions
2014-09-22
A person's face is the first thing that others see, and much remains unknown about how it forms — or malforms — during early development. Recently, Chong Pyo Choe, a senior postdoctoral fellow working in the lab of USC stem cell researcher Gage Crump, has begun to unwind these mysteries. In a September study published in the journal Development, Choe and Crump describe how a mutation in a gene called TBX1 causes the facial and other deformities associated with DiGeorge syndrome. During prenatal development, a series of segments form that eventually organize many features ...

New 'star' shaped molecule breakthrough

2014-09-22
Scientists at The University of Manchester have generated a new star-shaped molecule made up of interlocking rings, which is the most complex of its kind ever created. Known as a 'Star of David' molecule, scientists have been trying to create one for over a quarter of a century and the team's findings are published in the journal Nature Chemistry. Consisting of two molecular triangles, entwined about each other three times into a hexagram, the structure's interlocked molecules are tiny – each triangle is 114 atoms in length around the perimeter. The molecular triangles ...

Fracking's environmental impacts scrutinized

2014-09-22
Greenhouse gas emissions from the production and use of shale gas would be comparable to conventional natural gas, but the controversial energy source actually faired better than renewables on some environmental impacts, according to new research. The UK holds enough shale gas to supply its entire gas demand for 470 years, promising to solve the country's energy crisis and end its reliance on fossil-fuel imports from unstable markets. But for many, including climate scientists and environmental groups, shale gas exploitation is viewed as environmentally dangerous and ...

New rules for anticancer vaccines

New rules for anticancer vaccines
2014-09-22
Scientists have found a way to find the proverbial needle in the cancer antigen haystack, according to a report published in The Journal of Experimental Medicine. As cancer cells divide, they accumulate random mistakes (mutations). This process creates new versions of proteins, some of which are recognized as foreign invaders by immune cells called T cells, prompting the cells to attack and eliminate the cancer cells. With our current ability to identify all of the mutations in a patient's cancer and to understand which protein sequences can be recognized by T cells, ...

Classroom intervention helps shy kids learn

2014-09-22
A program that helps teachers modify their interactions with students based on an individual's temperament helps shy children to become more engaged in their class work, and in turn, improves their math and critical thinking skills. Led by NYU's Steinhardt School of Culture, Education, and Human Development, the study offers an evidence-based intervention to help shy children, who are often at risk for poor academic achievement. The findings appear in the Journal of School Psychology. Shy children are described as anxious, fearful, socially withdrawn, and isolated. ...

Arctic sea ice helps remove CO2 from the atmosphere

Arctic sea ice helps remove CO2 from the atmosphere
2014-09-22
Due to global warming, larger and larger areas of sea ice melt in the summer and when sea ice freezes over in the winter it is thinner and more reduced. As the Arctic summers are getting warmer we may see an acceleration of global warming, because reduced sea ice in the Arctic will remove less CO2 from the atmosphere, Danish scientists report. "If our results are representative, then sea ice plays a greater role than expected, and we should take this into account in future global CO2 budgets", says Dorte Haubjerg Søgaard, PhD Fellow, Nordic Center for Earth Evolution, ...

Nurse survey shows longer working hours impact on quality of care

2014-09-22
Results of a survey of more than 30,000 nurses across Europe show that nurses who work longer shifts and more overtime are more likely to rate the standard of care delivered on their ward as poor, give a negative rating of their hospitals safety and omit necessary patient care. Led by researchers at the University of Southampton and the National Nursing Research Unit (NNRU) at King's College London, the RN4CAST survey of nurses in over 450 hospitals across 12 European countries, was part of an international research programme looking at links between nursing workforce ...

Singapore researchers discover a gene that increases incidence of AML

2014-09-22
A novel study by the Cancer Science Institute of Singapore (CSI Singapore) at the National University of Singapore (NUS) found that an increase in a gene known as Leo1 affects other genes that are directly implicated in acute myelogenous leukaemia (AML), increasing the incidence of cancer. Led by Associate Professor Chng Wee Joo, Deputy Director and Senior Principal Investigator at CSI Singapore and Director of the National University Cancer Institute, Singapore, the scientists discovered that inhibition of Leo1 and Leo1 downstream signalling pathways provide an avenue ...

New guidelines issued for managing peri- and postoperative atrial fibrillation

2014-09-22
Beverly, MA, September 22, 2014 – The American Association for Thoracic Surgery (AATS) has released new evidence-based guidelines for the prevention and treatment of perioperative and postoperative atrial fibrillation (POAF) and flutter for thoracic surgical procedures. The guidelines are published in The Journal of Thoracic and Cardiovascular Surgery. "These guidelines have the potential to prevent the occurrence of atrial fibrillation in thousands of patients who undergo lung surgery in the United States each year. The AATS is committed to its goal of improving the ...

Evidence supports deep brain stimulation for obsessive-compulsive disorder

2014-09-22
September 22, 2014 – Available research evidence supports the use of deep brain stimulation (DBS) for patients with obsessive-compulsive disorder (OCD) who don't respond to other treatments, concludes a review in the October issue of Neurosurgery, official journal of the Congress of Neurological Surgeons (CNS). The journal is published by Lippincott Williams & Wilkins, a part of Wolters Kluwer Health. Based on evidence, two specific bilateral DBS techniques are recommended for treatment of carefully selected patients with OCD, according to a new clinical practice guideline ...

Involving female offenders in release planning can increase reintegration success

Involving female offenders in release planning can increase reintegration success
2014-09-22
TORONTO, Sept, 22, 2014--Women who are about to be released from prison need to be more involved in their discharge planning if they are to successfully reintegrate into their communities and avoid returning to prison, according to a new study. Almost half of all female prisoners are back behind bars within one year of their release and most have multiple prison terms, mainly for drug-related offenses. Dr. Flora Matheson, a researcher at St. Michael's Hospital, conducted one-on-one interviews with women who were about to be released or had been recently released from ...

Scientists discover an on-off switch for aging cells

Scientists discover an on-off switch for aging cells
2014-09-22
La Jolla -- Scientists at the Salk Institute have discovered an on-and-off "switch" in cells that may hold the key to healthy aging. This switch points to a way to encourage healthy cells to keep dividing and generating, for example, new lung or liver tissue, even in old age. In our bodies, newly divided cells constantly replenish lungs, skin, liver and other organs. However, most human cells cannot divide indefinitely–with each division, a cellular timekeeper at the ends of chromosomes shortens. When this timekeeper, called a telomere, becomes too short, cells can no ...

Where is that spacecraft?

2014-09-22
Philadelphia, PA—Space surveillance is inherently challenging when compared to other tracking environments due to various reasons, not least of which is the long time gap between surveillance updates. "Unlike the air and missile defense environments where objects are frequently observed, the space surveillance environment data is starved, with many objects going several orbital periods between observations," according to researcher Joshua Horwood. "Thus, it is more challenging to predict the future location of these sparsely-seen objects and they have a tendency to get ...

Neurosurgery tackles past, current and future concepts of sports concussion

2014-09-22
September 22, 2014 - An estimated 1.68 to 3.8 million sports-related concussions occur in the United States each year, and there are likely a significant number that go unreported. Current Concepts in Sports Concussion is a comprehensive, 16-article supplement of Neurosurgery, official journal of the Congress of Neurological Surgeons. Chicago-area neurosurgeon Gail Rosseau, MD, the lead guest editor, is well known for her longtime commitment to sports-related head injury prevention, and serves on the Board of Directors of USA Football and ThinkFirst. Additional guest editors ...

Comprehensive Neurosurgery supplement covers sports-related concussions

2014-09-22
September 22, 2014 - Neurosurgeons have treated head and spinal sports injuries since the specialty was formed in the early 20th century, with formal efforts to mitigate these injuries dating back to 1931. Current Concepts in Sports Concussion is a comprehensive, 16-article supplement of Neurosurgery, official journal of the Congress of Neurological Surgeons, published by Lippincott Williams & Wilkins, part of Wolters Kluwer Health. The supplement includes a detailed, fascinating history of concussion treatment and research. The lead guest editor is Chicago-area neurosurgeon ...

Communication without detours

Communication without detours
2014-09-22
Certain nerve cells take a shortcut for the transmission of information: signals are not conducted via the cell`s center, but around it like on a bypass road. The previously unknown nerve cell shape is now presented in the journal "Neuron" by a research team from Heidelberg, Mannheim and Bonn. Nerve cells communicate by using electrical signals. Via widely ramified cell structures—the dendrites—, they receive signals from other neurons and then transmit them over a thin cell extension—the axon—to other nerve cells. Axon and dendrites are usually interconnected by the ...

The accelerator of molecular motors

The accelerator of molecular motors
2014-09-22
To their surprise, it turned out to be an old acquaintance: a certain module of the familiar protein Pex22p, which has hitherto always been considered an anchor protein. The researchers report their findings in PLoS One. Essential: importing enzymes into peroxisome Peroxisomes are of vital importance for the enzymatic degradation of long-chain fatty acids and cellular toxins. In order for them to fulfil this function, the relevant enzymes have to be imported into the peroxisomes first. The bulk is brought into a peroxisome by the import receptor Pex5p. That receptor, ...

Why do leaves change color in the fall? (video)

Why do leaves change color in the fall? (video)
2014-09-22
WASHINGTON, Sept. 22, 2014 — It's the first day of autumn, and the telltale signs are here: crisp weather, pumpkin spice lattes and, most importantly, the leaves are changing colors. Ever wonder why some leaves turn red, others yellow and some just turn brown? We'll tell you all about the chemistry behind this seasonal spectacle in the latest Reactions episode. Learn all about it at https://www.youtube.com/watch?v=X0nWmTeQPfo. Subscribe to the series at Reactions YouTube, and follow us on Twitter @ACSreactions to be the first to see our latest videos. INFORMATION:The ...
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