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New hand-held device uses lasers, sound waves for deeper melanoma imaging

August 6, 2014 11:55 am | by EurekAlert! | News | Comments

A new hand-held device that uses lasers and sound waves may change the way doctors treat and diagnose melanoma, according to a team of researchers from Washington University in St. Louis. The instrument, described in a paper published today in The Optical Society's (OSA) journal Optics Letters, is the first that can be used directly on a patient and accurately measure how deep a melanoma tumor extends into the skin....

Older adults have morning brains!

August 6, 2014 11:51 am | by EurekAlert! | News | Comments

Older adults who are tested at their optimal time of day (the morning), not only perform better on demanding cognitive tasks but also activate the same brain networks responsible for paying attention and suppressing distraction as younger adults, according to Canadian researchers....

Boomers building muscle at the gym -- without passion

August 6, 2014 11:45 am | by EurekAlert! | News | Comments

As the first generation to embrace exercise, baby boomers continue going to the gym, yet more out of necessity than for the challenge and enjoyment of physical activity. In a study recently published in the International Journal of Wellbeing, James Gavin, a professor in Concordia's Department of Applied Human Sciences, investigates our motivations for exercise, from looking good to having fun....

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Speedier diagnosis of diseases such as cancer likely thanks to new DNA analysis technique

August 6, 2014 9:50 am | by EurekAlert! | News | Comments

Researchers from McGill University and the Génome Québec Innovation Centre have achieved a technical breakthrough that should result in speedier diagnosis of cancer and various pre-natal conditions. The key discovery, which is described online this week in the Proceedings of the National Academy of Sciences (PNAS), lies in a new tool developed by Professors Sabrina Leslie and Walter Reisner of McGill's Physics Department....

Researchers boost insect aggression by altering brain metabolism

August 6, 2014 9:35 am | by EurekAlert! | News | Comments

Scientists report they can crank up insect aggression simply by interfering with a basic metabolic pathway in the insect brain. Their study, of fruit flies and honey bees, shows a direct, causal link between brain metabolism (how the brain generates the energy it needs to function) and aggression....

Study: Many cancer survivors smoke years after diagnosis

August 6, 2014 9:31 am | by EurekAlert! | News | Comments

Nearly one in ten cancer survivors reports smoking many years after a diagnosis, according to a new study by American Cancer Society researchers. Further, among ten cancer sites included in the analysis, the highest rates of smoking were in bladder and lung cancers, two sites strongly associated with smoking. The study appears early online in Cancer Epidemiology, Biomarkers & Prevention....

Butterflies could hold key to probes that repair genes

August 6, 2014 9:17 am | by EurekAlert! | News | Comments

New discoveries about how butterflies feed could help engineers develop tiny probes that siphon liquid out of single cells for a wide range of medical tests and treatments, according to Clemson University researchers. The National Science Foundation recently awarded the project $696,514. It was the foundation's third grant to the project, bringing the total since 2009 to more than $3 million....

Biology made simpler with clear tissues

August 6, 2014 8:53 am | by EurekAlert! | News | Comments

In general, our knowledge of biology—and much of science in general—is limited by our ability to actually see things. Researchers who study developmental problems and disease, in particular, are often limited by their inability to look inside an organism to figure out exactly what went wrong and when....

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A breath reveals a hidden image in anti-counterfeit drug labels

August 6, 2014 8:48 am | by EurekAlert! | News | Comments

An outline of Marilyn Monroe's iconic face appeared on the clear, plastic film when a researcher fogs it with her breath. Terry Shyu, a doctoral student in chemical engineering at the University of Michigan, was demonstrating a new high-tech label for fighting drug counterfeiting. While the researchers don't envision movie stars on medicine bottles, but they used Monroe's image to prove their concept....

Healthy diet set early in life

August 6, 2014 8:44 am | by EurekAlert! | News | Comments

Promoting a healthy diet from infancy is important to prevent childhood obesity and the onset of chronic disease. This is the finding from a study published in the latest issue of Australian and New Zealand Journal of Public Health.  Led by Rebecca Byrne from QUT, the study described quantity and diversity of food and drinks consumed by children aged 12-16 months....

Crime Victims' Institute tracks the state of stalking in Texas

August 6, 2014 8:40 am | by EurekAlert! | News | Comments

According to a 2010 survey by the Center for Disease Control and Prevention (CDC), an estimated 1.4 million women in Texas experience stalking during their lifetimes. Despite recent laws adopted in the state to protect stalking victims, little information is available about the crime or policies and procedures to aid the criminal justice system, according to a report from the Crime Victims' Institute (CVI)....

Will medical devices and all-laser manufacturing advancements enable the age of longevity?

August 6, 2014 7:57 am | by Stefan Zschiegner, Raydiance | Blogs | Comments

Perhaps the only advances in medical technology which excite more than today’s minimally invasive devices and procedures are the ones that will come to market over the next several decades. Medical futurists speak with credibility about the prospect of human beings born today living 150 years....

SMT thin film chip resistors deliver power ratings up to 6 W

July 31, 2014 1:40 pm | Vishay Intertechnology | Product Releases | Comments

Vishay Intertechnology, Inc. introduced a new series of high-power, surface-mount precision thin film chip resistors. Built on aluminum nitride substrates, PCAN Series devices offer power ratings of 2 W and 6 W in compact 1206 and 2512 case sizes....

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Key to aging immune system is discovered

July 31, 2014 11:21 am | by EurekAlert! | News | Comments

There's a good reason people over 60 are not donor candidates for bone marrow transplantation. The immune system ages and weakens with time, making the elderly prone to life-threatening infection and other maladies, and a UC San Francisco research team now has discovered a reason why....

Chemists demonstrate 'bricks-and-mortar' assembly of new molecular structures

July 31, 2014 11:02 am | by EurekAlert! | News | Comments

Chemists at Indiana University Bloomington have described the self-assembly of large, symmetrical molecules in bricks-and-mortar fashion, a development with potential value for the field of organic electronic devices such as field-effect transistors and photovoltaic cells....

Wireless connectivity semiconductors maintain strong double-digit growth in health and fitness

July 31, 2014 10:54 am | by IHS, Inc. | News | Comments

Semiconductors providing wireless connectivity in health and fitness devices are set for solid double-digit growth in 2014 and beyond, especially as a clutch of wireless technologies make their way into a growing number of wearable devices, according to a new report from IHS Technology. Shipments this year for wireless semiconductors in health and fitness will reach ...

Vision-correcting electronic displays could let users dispense with glasses

July 31, 2014 10:36 am | by EurekAlert! | News | Comments

Researchers at the MIT Media Laboratory and the University of California at Berkeley have developed a new display technology that automatically corrects for vision defects — no glasses (or contact lenses) required. The technique could lead to dashboard-mounted GPS displays that farsighted drivers can consult without putting their glasses on, or electronic readers that eliminate the need for reading glasses, among other applications....

Engineering Update Episode 69: A new record for electric vehicles

July 31, 2014 9:57 am | by Jon Dipierro, Multimedia Production Specialist | Videos | Comments

A group of students at the University of New South Wales in Australia recently set a new world speed record for an electric vehicle at the Australian Automotive research Center in Victoria. The Sunswift car averaged 62 mph over 311 miles, beating out the 26 year old previous record of 45 mph over 311 miles....

Birthweight and breastfeeding have implications for children's health decades later

July 31, 2014 9:43 am | by EurekAlert! | News | Comments

Young adults who were breastfed for three months or more as babies have a significantly lower risk of chronic inflammation associated with cardiovascular and metabolic diseases, according to research from the Brown School at Washington University in St. Louis....

UK psychologist creates patient tool to assist with lung cancer screening decision

July 31, 2014 9:39 am | by EurekAlert! | News | Comments

The phrase "we caught it early" is possibly the best news a patient can hear in the midst of a cancer diagnosis. Combating cancer in its earliest stages, when the disease is localized to a certain part of the body, gives patients the best chances of survival....

Journal supplement details progress in African medical education

July 31, 2014 9:21 am | by EurekAlert! | News | Comments

Medical education in sub-Saharan Africa is being revitalized and expanded through a U.S.-funded effort that is dramatically increasing enrollment, broadening curricula, upgrading Internet access and providing cutting-edge skills labs and other technologies....

New scientific review: Current evidence suggests benefits of e-cigarettes outweigh harms

July 31, 2014 9:10 am | by EurekAlert! | News | Comments

A major scientific review of available research on the use, content, and safety of e-cigarettes has concluded that – although long-term health effects of e-cigarette use are unknown – compared with conventional cigarettes they are likely to be much less harmful to users or bystanders....

Women in military less likely to drink than civilian women

July 31, 2014 8:57 am | by EurekAlert! | News | Comments

Los Angeles, CA (August 1, 2014) While it is known that members of the U.S. military overall are more likely to use alcohol, a new study finds that female enlistees and female veterans are actually less likely to drink than their civilian counterparts. This study was published today in Armed Forces & Society, a SAGE journal published on behalf of the Inter-University Seminar on Armed Forces and Society....

This first-aid kit is a must-have

July 31, 2014 8:55 am | by Kasey Panetta, Managing Editor | Blogs | Comments

The Clever Medkit is a first-aid kit to end all first-aid kits. This over-the-top technologically advanced kit is technically designed for businesses, but I would consider this for a home purchase because I am a germaphobe and hypochondriac. (Yesterday, I used a Lysol wipe on my pens.) So, let’s walk through the process of injuring yourself and using this bad boy.

NASA-funded X-ray instrument settles interstellar debate

July 31, 2014 8:39 am | by EurekAlert! | News | Comments

New findings from a NASA-funded instrument have resolved a decades-old puzzle about a fog of low-energy X-rays observed over the entire sky. Thanks to refurbished detectors first flown on a NASA sounding rocket in the 1970s, astronomers have now confirmed the long-held suspicion that much of this glow stems from a region of million-degree interstellar plasma known as the local hot bubble, or LHB....

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